Every first Monday of the month, Patexia plans to publish a list of some of the most important early stage patent infringement lawsuits filed in prior month. In April, there were over 100 cases filed in the US. One of the high profile cases, was Apple Inc. vs. Samsung (case number 31).

1. Gro Master, Inc. v. Riverside Hutterian Brethren, Inc.
Case: 4:11-cv-04048 filed on April 13, 2011 in District of South Dakota
Plaintiff(s): Gro Master, Inc.
Defendant(s): Riverside Hutterian Brethren, Inc.
Patent(s): 6,923,142 - Animal feeder with adjustment of a feed discharge opening
Summary: Animal feeder with adjustment of a feed discharge opening

2. Ticket Doctor, Inc. v. Mark S. Cordes et al
Case: 2:11-cv-11586 filed on April 13, 2011 in Eastern District of Michigan
Plaintiff(s): Ticket Doctor, Inc.
Defendant(s): Mark S. Cordes et al
Patent(s): 7,153,254 - Presentation folder with attachable pockets and method of making same
Summary: Presentation folder with attachable pockets and method of making same

3. Arris Group, Inc. v. British Telecommunications, PLC
Case: 1:11-cv-01231 filed on April 14, 2011 in Northern District Georgia
Plaintiff(s): Arris Group, Inc.
Defendant(s): British Telecommunications, PLC
Patent(s): 5,923,247 - Fault monitoring
                 5,526,350 - Communication network with bandwidth managers for allocating bandwidth to different types of traffic
                 6,665,264

Summary: Fault monitoring

4. Gates That Open, LLC v. GTO Parts, LLC et al
Case: 4:11-cv-00158 filed on April 14, 2011 in Northern District of Florida
Plaintiff(s): Gates That Open, LLC
Defendant(s): GTO Parts, LLC et al
Patent(s): 7,557,525 - Dual swing gate control system
Summary: Dual swing gate control system

5. GHJ Holdings, LLC v. Garmin International, Inc.
Case: 5:11-cv-00085 filed on April 14, 2011 in Eastern District of Texas
Plaintiff(s): GHJ Holdings, LLC
Defendant(s): Garmin International, Inc.
Patent(s): D429173 - Button controls for a portable hand-held navigational device
                 D365032 - Hand-held navigational device
                 D409927 - Navigational device
                 D365292 - Hand-held navigational device
Summary: Button controls for a portable hand-held navigational device

6. GIW Industries, Inc. v. S.P.I./Mobile Pulley Works, Inc.
Case: 1:11-cv-00185 filed on April 14, 2011 in Southern District of Alabama
Plaintiff(s): GIW Industries, Inc.
Defendant(s): S.P.I./Mobile Pulley Works, Inc.
Patent(s): 7,465,153 - Diverter for reducing wear in a slurry pump
Summary: Diverter for reducing wear in a slurry pump

7. JIA Jewelry Importers of America, Inc v. Pandora Jewelry, LLC
Case: 8:11-cv-00982 filed on April 14, 2011 in District of Maryland
Plaintiff(s): JIA Jewelry Importers of America, Inc
Defendant(s): Pandora Jewelry, LLC
Patent(s): 7,007,507 - Necklaces and bracelets with keepers
Summary: Necklaces and bracelets with keepers

8. Ho Keung TSE v. eBay, Inc. et al
Case: 3:11-cv-01812 filed on April 14, 2011 in Northern District of California
Plaintiff(s): Ho Keung TSE
Defendant(s): eBay, Inc. et al
Patent(s): 6,665,797
Summary: Protection of software again against unauthorized use

9. Leggett & Platt Incorporated et al v. Simmons Bedding Company et al
Case: 3:11-cv-05041 filed on April 14, 2011 in Western District Missouri
Plaintiff(s): Leggett & Platt Incorporated et al
Defendant(s): Simmons Bedding Company et al
Patent(s): 5,868,383 - Multiple rate coil spring assembly
Summary: Multiple rate coil spring assembly

10. Prompt Medical Systems, L.P. v. Medicomp Systems, Inc.
Case: 6:11-cv-00184 filed on April 14, 2011 in Eastern District of Texas
Plaintiff(s): Prompt Medical Systems, L.P.
Defendant(s): Medicomp Systems, Inc.
Patent(s): 5,483,443 - Method for computing current procedural terminology codes from physician generated documentation
Summary: Method for computing current procedural terminology codes from physician generated documentation

11. Ophelia Rowan et al v. Ophelia Rowan et al
Case: 5:11-cv-00735 filed on April 14, 2011 in Northern District of Ohio
Plaintiff(s): Ophelia Rowan et al
Defendant(s): Ophelia Rowan et al
Patent(s): 6,536,489 - Protective and decorative cover for portable electric grill
Summary: Protective and decorative cover for portable electric grill

12. Vigilos, LLC v. ADT Security Services, Inc. et al
Case: 2:11-cv-00217 filed on April 14, 2011 in Eastern District of Texas
Plaintiff(s): Vigilos, LLC
Defendant(s): ADT Security Services, Inc. et al
Patent(s): 6,839,731 - System and method for providing data communication in a device network
Summary: System and method for providing data communication in a device network

13. Walker Digital LLC v. Alston Tascom Inc. et al
Case: 1:11-cv-00335 filed on April 14, 2011 in District of Delaware
Plaintiff(s): Walker Digital LLC
Defendant(s): Alston Tascom Inc. et al
Patent(s): 6,222,920 - Method and apparatus for value-based queuing of telephone calls
                 6,487,291 - Method and apparatus for valve-based queuing of telephone calls
Summary: Method and apparatus for value-based queuing of telephone calls

14. Abraxis Bioscience LLC v. David J. Kappos
Case: 1:11-cv-00730 filed on April 15, 2011 in District Of Columbia
Plaintiff(s): Abraxis Bioscience LLC
Defendant(s): David J. Kappos
Patent(s): 7,820,788
Summary: Compositions and methods of delivery of pharmacological agents

15. Allergan Inc. et al. v. Sandoz Inc.
Case: 1:11-cv-00298 filed on April 15, 2011 in Middle District North Carolina
Plaintiff(s): Allergan Inc. et al.
Defendant(s): Sandoz Inc.
Patent(s): 7,388,029 - Compositions and methods for treating hair loss using non-naturally occurring prostaglandins
                 7,351,404 - Method of enhancing hair growth
                 6,403,649 - Non-acidic cyclopentane heptanoic acid,2-cycloalkyl or arylalkyl derivatives as therapeutic agents
Summary: Compositions and methods for treating hair loss using non-naturally occurring prostaglandins

16. Celgene Corporation et al v. Actavis South Atlantic LLC
Case: 2:11-cv-02162 filed on April 15, 2011 in District of New Jersey
Plaintiff(s): Celgene Corporation et al
Defendant(s): Actavis South Atlantic LLC
Patent(s): 6,355,656 - Phenidate drug formulations having diminished abuse potential
                 5,837,284 - Delivery of multiple doses of medications
                 5,908,850 - Method of treating attention deficit disorders with d-threo methylphenidate
                 6,635,284 - Delivery of multiple doses of medications
Summary: Phenidate drug formulations having diminished abuse potential

17. Good Sportsman Marketing, LLC et al v. Best Buy Co Inc et al
Case: 6:11-cv-00188 filed on April 15, 2011 in Eastern District of Texas
Plaintiff(s): Good Sportsman Marketing, LLC et al
Defendant(s): Best Buy Co Inc et al
Patent(s): D498322 - Clip light
Summary: Clip light

18. Inline Plastics Corp. v. Par-Pak Ltd.
Case: 3:11-cv-00604 filed on April 15, 2011 in District of Connecticut
Plaintiff(s): Inline Plastics Corp.
Defendant(s): Par-Pak Ltd.
Patent(s): 7,118,003 - Tamper resistant container with tamper-evident feature and method of forming the same
Summary: Tamper resistant container with tamper-evident feature and method of forming the same

19. Lifeshield Inc. v. RB Technologies LLC
Case: 2:11-cv-02609 filed on April 15, 2011 in Eastern District of Pennsylvania
Plaintiff(s): Lifeshield Inc.
Defendant(s): RB Technologies LLC
Patent(s): 5,745,849 - Combination cordless telephone and premise-monitoring alarm system
Summary: Combination cordless telephone and premise-monitoring alarm system

20. Mary Beth McNamara v. Elizabeth Arden, Inc.
Case: 1:11-cv-02571 filed on April 15, 2011 in Southern District of New York
Plaintiff(s): Mary Beth McNamara
Defendant(s): Elizabeth Arden, Inc.
Patent(s): 4,268,502 - Cosmetic tonic formulation
                 4,272,519 - Cosmetic lotion formulation
                 4,268,506 - Thienylmethyl-thiophosphoric acid esters
Summary: Cosmetic tonic formulation

21. Michael Foods, Inc. v. National Pasteurized Eggs, Inc.
Case: 0:11-cv-00941 filed on April 15, 2011 in District of Minnesota
Plaintiff(s): Michael Foods, Inc.
Defendant(s): National Pasteurized Eggs, Inc.
Patent(s): 6,303,176 - Method of controlling salmonella in shell eggs
                 6,974,599 - Method of controlling salmonella in shell eggs
                 6,004,603 - Method of controlling Salmonella in shell eggs
Summary: Method of controlling salmonella in shell eggs

22. Network Signatures Inc. v. 3M Company
Case: 8:11-cv-00597 filed on April 15, 2011 in Central District of California
Plaintiff(s): Network Signatures Inc.
Defendant(s): 3M Company
Patent(s): 5,511,122 - Intermediate network authentication
Summary: Intermediate network authentication

23. OurPet's Company v. Sergeant's Pet Care Products, Inc.
Case: 1:11-cv-00743 filed on April 15, 2011 in Northern District of Ohio
Plaintiff(s): OurPet's Company
Defendant(s): Sergeant's Pet Care Products, Inc.
Patent(s): 6,371,053 - Simulated mouse toy having a prerecorded sound chip therein
Summary: Simulated mouse toy having a prerecorded sound chip therein

24. PanaVise Products Inc v. Bluebargain Inc
Case: 8:11-cv-00590 filed on April 15, 2011 in Central District of California
Plaintiff(s): PanaVise Products Inc
Defendant(s): Bluebargain Inc
Patent(s): D521,850 - Window grip
Summary: Window grip

25. Paricon Technologies Corporation v. Phoenix Test Arrays
Case: 1:11-cv-10649 filed on April 15, 2011 in District of Massachusetts
Plaintiff(s): Paricon Technologies Corporation
Defendant(s): Phoenix Test Arrays
Patent(s): 6,802,720 - Pin-array, separable, compliant electrical contact member
                 6,854,985 - Elastomeric interconnection device and methods for making same
Summary: Pin-array, separable, compliant electrical contact member

26. Harris Corporation v. Ruckus Wireless, Inc.
Case: 6:11-cv-00618 filed on April 15, 2011 in Middle District of Florida
Plaintiff(s): Harris Corporation
Defendant(s): Ruckus Wireless, Inc.
Patent(s): 6,504,515 - High capacity broadband cellular/PCS base station using a phased array antenna
Summary: High capacity broadband cellular/PCS base station using a phased array antenna

27. United Access Technologies LLC v. CenturyLink Inc. et al
Case: 1:11-cv-00339 filed on April 15, 2011 in District of Delaware
Plaintiff(s): United Access Technologies LLC
Defendant(s): CenturyLink Inc. et al
Patent(s): 5,844,596 - Two-way RF communication at points of convergence of wire pairs from separate internal telephone networks
                 6,243,446 - Distributed splitter for data transmission over twisted wire pairs
                 6,542,585 - Distributed splitter for data transmission over twisted wire pairs
Summary: Two-way RF communication at points of convergence of wire pairs from separate internal telephone networks

28. Walker Digital LLC v. Criterion Capital Partners LLC
Case: 1:11-cv-00340 filed on April 15, 2011 in District of Delaware
Plaintiff(s): Walker Digital LLC
Defendant(s): Criterion Capital Partners LLC
Patent(s): 5,884,272 - Method and system for establishing and maintaining user-controlled anonymous communications
                 5,884,270 - Method and system for facilitating an employment search incorporating user-controlled anonymous communications
Summary: Method and system for establishing and maintaining user-controlled anonymous communications

29. Washington Research Foundation v. Sony Ericsson Mobile Communications AB et al
Case: 2:11-cv-00651 filed on April 15, 2011 in Western District of Washington
Plaintiff(s): Washington Research Foundation
Defendant(s): Sony Ericsson Mobile Communications AB et al
Patent(s): 7,639,996 - Simplified high frequency tuner and tuning method
                 7,606,542 - Simplified high frequency tuner and tuning method
                 7,860,482
                 7,606,549 - Selective channel tuner and tuning method
Summary: Simplified high frequency tuner and tuning method

30. Winchester Carpet & Rug Company v. Webvention Holdings LLC et al
Case: 1:11-cv-00337 filed on April 15, 2011 in District of Delaware
Plaintiff(s): Winchester Carpet & Rug Company
Defendant(s): Webvention Holdings LLC et al
Patent(s): 5,251,294 - Accessing, assembling, and using bodies of information
Summary: Accessing, assembling, and using bodies of information

31. Apple v. Samsung
Case: CV-11-1846 filed on April 15, 2011 in Northern District of California
Plaintiff(s): Apple
Defendant(s): Samsung
Sector: High-Tech
Subject: Gadget design
Patent(s): 7,812,828 - Ellipse fitting for multi-touch surfaces
                 7,669,134 - Method and apparatus for displaying information during an instant messaging session
                 6,493,002 - Method and apparatus for displaying and accessing control and status information in a computer system
                 7,469,381 - List scrolling and document translation, scaling, and rotation on a touch-screen display
                 7,844,915
                 7,853,891
                 7,863,533
                 D627,790
                 D602,016 - Electronic device
                 D618,677 - Electronic device
Summary: iPad and iPhone designs: The suit covers Samsung's Galaxy S phones and tablets, the Epic 4G, and the Nexus S. Apple said Samsung imitated the look and feel of its products with everything from apps to packaging.

32. Daiichi Sankyo Inc. et al v. Watson Pharmaceuticals Inc. et al
Case: 1:11-cv-00345 filed on April 18, 2011 in District of Delaware
Plaintiff(s): Daiichi Sankyo Inc. et al
Defendant(s): Watson Pharmaceuticals Inc. et al
Patent(s): 5,607,669 - Amine polymer sequestrant and method of cholesterol depletion
                 5,693,675 - Alkylated amine polymers
Summary: Amine polymer sequestrant and method of cholesterol depletion

33. DE Technologies, Inc. v. E4X, Inc. et al
Case: 7:11-cv-00183 filed on April 18, 2011 in Western District of Virginia
Plaintiff(s): DE Technologies, Inc.
Defendant(s): E4X, Inc. et al
Patent(s): 6,460,020 - Universal shopping center for international operation
Summary: Universal shopping center for international operation

34. Medicis Pharmaceutical Corporation v. Nycomed US Inc. et al
Case: 1:11-cv-02630 filed on April 18, 2011 in Southern District of New York
Plaintiff(s): Medicis Pharmaceutical Corporation
Defendant(s): Nycomed US Inc. et al
Patent(s): 7,217,422 - Compositions and methods for enhancing corticosteroid delivery
                 7,794,738 - Compositions and methods for enhancing corticosteroid delivery
                 6,765,001 - Compositions and methods for enhancing corticosteroid delivery
                 7,220,424 - Compositions and methods for enhancing corticosteroid delivery
Summary: Compositions and methods for enhancing corticosteroid delivery

35. ArrivalStar S.A. et al v. Intermec Technologies Corporation et al
Case: 1:11-cv-21371 filed on April 19, 2011 in Southern District of Florida
Plaintiff(s): ArrivalStar S.A. et al
Defendant(s): Intermec Technologies Corporation et al
Patent(s): 6,486,801 - Base station apparatus and method for monitoring travel of a mobile vehicle
                 7,030,781 - Notification system and method that informs a party of vehicle delay
                 6,748,320 - Advance notification systems and methods utilizing a computer network
                 6,714,859 - System and method for an advance notification system for monitoring and reporting proximity of a vehicle
Summary: Base station apparatus and method for monitoring travel of a mobile vehicle

36. Automotive Technologies International, Inc. v. I.D. Systems, Inc.
Case: 6:11-cv-00196 filed on April 19, 2011 in Eastern District of Texas
Plaintiff(s): Automotive Technologies International, Inc.
Defendant(s): I.D. Systems, Inc.
Patent(s): 7,386,372
Summary: Apparatus and method for determining presence of objects in a vehicle

37. Hon Hai Precision Industry Co. Ltd. v. AOC International et al
Case: 2:11-cv-00224 filed on April 19, 2011 in Eastern District of Texas
Plaintiff(s): Hon Hai Precision Industry Co. Ltd.
Defendant(s): AOC International et al
Patent(s): 7,475,181 - Display unit with processor and communication controller which communicates information to the processor
                 7,475,180 - Display unit with communication controller and memory for storing identification number for identifying display unit
                 6,639,588 - Image display apparatus
                 6,686,895
Summary: Display unit with processor and communication controller which communicates information to the processor

38. Hybrid Audio LLC v. HIGH TECH COMPUTER CORP. A/K/A HTC CORP. et al
Case: 6:11-cv-00195 filed on April 19, 2011 in Eastern District of Texas
Plaintiff(s): Hybrid Audio LLC
Defendant(s): HIGH TECH COMPUTER CORP. A/K/A HTC CORP. et al
Patent(s): RE40281
Summary: Signal processing utilizing a tree-structured array

39. Lawrence E Tannas Jr v. Luxell Technologies Inc et al
Case: 8:11-cv-00609 filed on April 19, 2011 in Central District of California
Plaintiff(s): Lawrence E Tannas Jr
Defendant(s): Luxell Technologies Inc et al
Patent(s): 7,525,633 - Methods of customizing the physical size and shape of commercial off-the-shelf (COTS) electronic displays
                 7,535,547 - Customized electronic display and methods of customizing the physical size and/or shape thereof
Summary: Methods of customizing the physical size and shape of commercial off-the-shelf (COTS) electronic displays

40. Meier Tool & Engineering, Inc. et al. v. Jacek Krzyzanowski et al
Case: 0:11-cv-00973 filed on April 19, 2011 in District of Minnesota
Plaintiff(s): Meier Tool & Engineering, Inc. et al.
Defendant(s): Jacek Krzyzanowski et al
Patent(s): 5,707,392 - Hermaphroditic stamped forceps jaw for disposable endoscopic biopsy forceps and method of making the same
                 7,171,839 - Method of manufacturing a stamped biopsy forceps jaw
Summary: Hermaphroditic stamped forceps jaw for disposable endoscopic biopsy forceps and method of making the same

41. Regent Markets Group Ltd. v. IG Markets Inc.
Case: 1:11-cv-02661 filed on April 19, 2011 in Northern District of Illinois
Plaintiff(s): Regent Markets Group Ltd.
Defendant(s): IG Markets Inc.
Patent(s): 7,206,762 - Betting system and method
Summary: Betting system and method

42. Steven Reiber et al v. TDK Corporation et al
Case: 2:11-cv-01057 filed on April 19, 2011 in Eastern District of California
Plaintiff(s): Steven Reiber et al
Defendant(s): TDK Corporation et al
Patent(s): 6,651,864 - Dissipative ceramic bonding tool tip
                 6,354,479 - Dissipative ceramic bonding tip
Summary: Dissipative ceramic bonding tool tip

43. ArrivalStar S.A. et al v. Celadon Dedicated Services et al
Case: 1:11-cv-21393 filed on April 20, 2011 in Southern District of Florida
Plaintiff(s): ArrivalStar S.A. et al
Defendant(s): Celadon Dedicated Services et al
Sector: High-Tech
Subject: Gadget Design
Patent(s): 6486801 - Base station apparatus and method for monitoring travel of a mobile vehicle
                 7,030,781 - Notification system and method that informs a party of vehicle delay
                 6,714,859 - System and method for an advance notification system for monitoring and reporting proximity of a vehicle
                 6,411,891 - Advance notification system and method utilizing user-definable notification time periods

44. Asyst Technologies LLC et al v. Eagle Eyes Traffic Ind Co Ltd et al
Case: 2:11-cv-00381 filed on April 20, 2011 in Eastern District of Wisconsin
Plaintiff(s): Asyst Technologies LLC et al
Defendant(s): Eagle Eyes Traffic Ind Co Ltd et al
Sector: Other
Patent(s): 7,264,376 - Adjuster and bracket assembly
                 5,707,133 - Automobile headlamp adjuster
                 5,653,548 - Method and apparatus for a ball and socket joint
                 6,913,374 - Sliding style headlamp adjuster

45. Atwater Partners of Texas LLC v. Alcatel-Lucent et al
Case: 1:11-cv-00354 filed on April 20, 2011 in District of Delaware
Plaintiff(s): Atwater Partners of Texas LLC
Defendant(s): Alcatel-Lucent et al
Patent(s): 6,490,296 - Multi-link segmentation and reassembly for bonding multiple PVCs in an inverse multiplexing arrangement
Summary: Multi-link segmentation and reassembly for bonding multiple PVC's in an inverse multiplexing arrangement

46. Better Bags, Inc. v. Illinois Tool Works Inc.
Case: 4:11-cv-01516 filed on April 20, 2011 in Southern District of Texas
Plaintiff(s): Better Bags, Inc.
Defendant(s): Illinois Tool Works Inc.
Sector: Other
Patent(s): 7,134,788 - Resealable bag with top tear-away header and zipper and method of manufacturing the same
Summary: Resealable bag with top tear-away header and zipper and method of manufacturing the same

47. Better Education, Inc. v. Renaissance Learning, Inc.
Case: 3:11-cv-00286 filed on April 20, 2011 in Western District of Wisconsin
Plaintiff(s): Better Education, Inc.
Defendant(s): Renaissance Learning, Inc.
Sector: Other
Patent(s): 5,002,491 - Electronic classroom system enabling interactive self-paced learning
Summary: Electronic classroom system enabling interactive self-paced learning

48. BG Star Productions, Inc. v. Sheila Thelen, Inc. et al
Case: 2:11-cv-03370 filed on April 20, 2011 in Central District of California
Plaintiff(s): BG Star Productions, Inc.
Defendant(s): Sheila Thelen, Inc. et al
Patent(s): 7,214,171 - Athletic training device

49. Novartis AG v. Teva Pharmaceuticals USA, Inc.v et al
Case: 2:11-cv-02289 filed on April 20, 2011 in District of New Jersey
Plaintiff(s): Novartis AG
Defendant(s): Teva Pharmaceuticals USA, Inc.v et al
Sector: Bio-Tech
Subject: Pharma
Patent(s): 6025391 - Enteric-coated pharmaceutical compositions of mycophenolate
                 6,172,107 - Entric-coated pharmaceutical compositions
                 6,306,900 - Enteric coated pharmaceutical compositions
Summary: Enteric-coated pharmaceutical compositions of mycophenolate

50. PJC Logistics, LLC v. Fleet Management Solutions Inc. et al
Case: 3:11-cv-00815 filed on April 20, 2011 in Northern District of Texas
Plaintiff(s): PJC Logistics, LLC
Defendant(s): Fleet Management Solutions Inc. et al
Sector: Other
Patent(s): 5,223,844 - Vehicle tracking and security system
Summary: Vehicle tracking and security system

51. Rugged CCTV LLC v. Acquire CCTV Inc
Case: 4:11-cv-00267 filed on April 20, 2011 in Northern District of Texas
Plaintiff(s): Rugged CCTV LLC
Defendant(s): Acquire CCTV Inc
Sector: Other
Patent(s): 7,764,196 - Method and apparatus for documenting the condition of a vehicle
Summary: Method and apparatus for documenting the condition of a vehicle

52. Shire LLC et al v. Supernus Pharmaceuticals, Inc. et al
Case: 1:11-cv-00055 filed on April 20, 2011 in Northern District of West Virginia
Plaintiff(s): Shire LLC et al
Defendant(s): Supernus Pharmaceuticals, Inc. et al
Sector: Bio-Tech
Subject: Pharma
Patent(s): 6287599 - Sustained release pharmaceutical dosage forms with minimized pH dependent dissolution profiles
                 6,811,794 - Sustained release pharmaceutical dosage forms with minimized pH dependent dissolution profiles

53. Simon Property Group LP v. NorthMobileTech LLC
Case: 1:11-cv-00527 filed on April 20, 2011 in Southern District of Indiana
Plaintiff(s): Simon Property Group LP
Defendant(s): NorthMobileTech LLC
Patent(s): 7,805,130 - Marketing method

54. Beneficial Innovations, Inc. v. Advance Publications, Inc. et al
Case: 2:11-cv-00229 filed on April 20, 2011 in Eastern District of Texas
Plaintiff(s): Beneficial Innovations, Inc.
Defendant(s): Advance Publications, Inc. et al
Patent(s): 6,712,702 - Method and system for playing games on a network
                 7,496,943 - Network system for presenting advertising

55. AstraZeneca AB et al v. Dr. Reddy's Laboratories, Inc. et al
Case: 3:11-cv-02317 filed on April 21, 2011 in District of New Jersey
Plaintiff(s): AstraZeneca AB et al
Defendant(s): Dr. Reddy's Laboratories, Inc. et al
Sector: Bio-Tech
Subject: Pharma
Patent(s): 6,926,907 - Pharmaceutical compositions for the coordinated delivery of NSAIDs
Summary: Pharmaceutical compositions for the coordinated delivery of NSAIDs

56. Digital Reg of Texas, LLC v. Adobe Systems Incorporated et al
Case: 6:11-cv-00200 filed on April 21, 2011 in Eastern District of Texas
Plaintiff(s): Digital Reg of Texas, LLC
Defendant(s): Adobe Systems Incorporated et al
Patent(s): 7562150 - Delivering electronic content
                 7,673,059 - Tracking electronic content
                 6,751,670 - Tracking electronic component
                 6,389,541 - Regulating access to digital content

57. Kaneka Corporation v. SKC Kolon PI, Inc. et al
Case: 2:11-cv-03397 filed on April 21, 2011 in Central District of California
Plaintiff(s): Kaneka Corporation
Defendant(s): SKC Kolon PI, Inc. et al
Patent(s): 7691961 - Polyimide film and use thereof
                 6,746,639 - Process for preparing polyimide film
                 7,018,704 - Polyimide film for flexible printed board and flexible printed board using the same
                 5,075,064 - Method and apparatus for continuously producing resin films and installation therefor
                 6,264,866 - Method for producing polyimide film

58. Large Audience Display Systems, LLC v. Tennman Productions, LLC et al
Case: 2:11-cv-03398 filed on April 21, 2011 in Central District of California
Plaintiff(s): Large Audience Display Systems, LLC
Defendant(s): Tennman Productions, LLC et al
Sector: High-Tech
Patent(s): 6,669,346 - Large-audience, positionable imaging and display system for exhibiting panoramic imagery, and multimedia content featuring a circularity of action
Summary: Large-audience, positionable imaging and display system for exhibiting panoramic imagery, and multimedia content

59. Mutual Pharmaceutical Company, Inc. et al v. West-Ward Pharmaceutical Corp.
Case: 3:11-cv-02276 filed on April 21, 2011 in District of New Jersey
Plaintiff(s): Mutual Pharmaceutical Company, Inc. et al
Defendant(s): West-Ward Pharmaceutical Corp.
Sector: Bio-Tech
Subject: Drugs
Patent(s): 7601758 - Methods for concomitant administration of colchicine and macrolide antibiotics in the treatment of gout flares
                7,619,004
                 7,820,681
                 7,915,269
Summary: Methods for concomitant administration of colchicine and macrolide antibiotics in the treatment of gout flares

60. Network Signatures Inc. v. Delta Air Lines Inc.
Case: 8:11-cv-00631 filed on April 21, 2011 in Central District of California
Plaintiff(s): Network Signatures Inc.
Defendant(s): Delta Air Lines Inc.
Sector: Other
Patent(s): 5,511,122 - Intermediate network authentication
Summary: Intermediate network authentication

61. Network Signatures Inc. v. FedEx Corporation
Case: 8:11-cv-00630 filed on April 21, 2011 in Central District of California
Plaintiff(s): Network Signatures Inc.
Defendant(s): FedEx Corporation
Sector: Other
Patent(s): 5,511,122 - Intermediate network authentication
Summary: Intermediate network authentication

62. Takion Co. Ltd. v. General Electric Company et al
Case: 2:11-cv-00678 filed on April 21, 2011 in Western District of Washington
Plaintiff(s): Takion Co. Ltd.
Defendant(s): General Electric Company et al
Sector: High-Tech
Patent(s): 6,577,072 - Power supply and LED lamp device
Summary: Power supply and LED lamp device

63. Jayce P. Walters v. Roseco Inc.
Case: 4:11-cv-01529 filed on April 21, 2011 in Southern District of Texas
Plaintiff(s): Jayce P. Walters
Defendant(s): Roseco Inc.
Sector: Other
Patent(s): 6,279,436 - Method for cutting a seat in the setting of stones in jewelry
Summary: Method for cutting a seat in the setting of stones in jewelry

64. ArrivalStar S.A. et al v. Cartasite, Inc.
Case: 1:11-cv-01067 filed on April 22, 2011 in District of Colorado
Plaintiff(s): ArrivalStar S.A. et al
Defendant(s): Cartasite, Inc.
Sector: Other
Patent(s): 6714859 - System and method for an advance notification system for monitoring and reporting proximity of a vehicle
                 6,804,606 - Notification systems and methods with user-definable notifications based upon vehicle proximities
                 6,952,645 - System and method for activation of an advance notification system for monitoring and reporting status of vehicle travel
                 7,191,058 - Notification systems and methods enabling user entry of notification trigger information based upon monitored mobile vehicle location
                 6,904,359

65. Document Management Systems LLC v. Amazon.Com, Inc. et al
Case: 1:11-cv-00332 filed on April 22, 2011 in Western District of Texas
Plaintiff(s): Document Management Systems LLC
Defendant(s): Amazon.Com, Inc. et al
Patent(s): 5,634,051 - Information management system

66. Genentech, Inc. et al v. Sandoz Inc.
Case: 1:11-cv-01076 filed on April 22, 2011 in District of Colorado
Plaintiff(s): Genentech, Inc. et al
Defendant(s): Sandoz Inc.
Patent(s): 6,083,953 - 2- (2-amino-1,6-dihydro-6-oxo-purin-9-yl) methoxy-1,3- propanediol derivative

67. Hughey & Phillips, LLC v. Dialight Corporation
Case: 3:11-cv-00134 filed on April 22, 2011 in Southern District of Ohio
Plaintiff(s): Hughey & Phillips, LLC
Defendant(s): Dialight Corporation
Patent(s): 7,568,821 - Beacon light with reflector and light-emitting diodes

68. Joao Bock Transaction Systems, LLC v. USAmeriBank et al
Case: 8:11-cv-00887 filed on April 22, 2011 in Middle District Florida
Plaintiff(s): Joao Bock Transaction Systems, LLC
Defendant(s): USAmeriBank et al
Patent(s): 6,047,270 - Apparatus and method for providing account security

69. Walker Digital LLC v. Amazon.com Inc.
Case: 1:11-cv-00362 filed on April 22, 2011 in District of Delaware
Plaintiff(s): Walker Digital LLC
Defendant(s): Amazon.com Inc.
Patent(s): 7,236,942

70. Walker Digital LLC v. Apple Inc. et al
Case: 1:11-cv-00363 filed on April 22, 2011 in District of Delaware
Plaintiff(s): Walker Digital LLC
Defendant(s): Apple Inc. et al
Patent(s): 6,199,014 - System for providing driving directions with visual cues

71. ArrivalStar S.A. et al v. InfoLogix, Inc. et al
Case: 1:11-cv-21445 filed on April 25, 2011 in Southern District of Florida
Plaintiff(s): ArrivalStar S.A. et al
Defendant(s): InfoLogix, Inc. et al
Patent(s): 6,486,801 - Base station apparatus and method for monitoring travel of a mobile vehicle
                 7,030,781 - Notification system and method that informs a party of vehicle delay
                 6,714,859 - System and method for an advance notification system for monitoring and reporting proximity of a vehicle
                 6,411,891 - Advance notification system and method utilizing user-definable notification time periods
                 6,748,320 - Advance notification systems and methods utilizing a computer network
                 6,317,060 - Base station system and method for monitoring travel of mobile vehicles and communicating notification messages
                 7,400,970 - System and method for an advance notification system for monitoring and reporting proximity of a vehicle
                 6,952,645 - System and method for activation of an advance notification system for monitoring and reporting status of vehicle travel
                 6,904,359

72. Celgene Corporation et al v. Teva Pharmaceuticals USA, Inc.
Case: 2:11-cv-02356 filed on April 25, 2011 in District of New Jersey
Plaintiff(s): Celgene Corporation et al
Defendant(s): Teva Pharmaceuticals USA, Inc.
Patent(s): 6,355,656 - Phenidate drug formulations having diminished abuse potential
                 5,837,284 - Delivery of multiple doses of medications
                 5,908,850 - Method of treating attention deficit disorders with d-threo methylphenidate
                 6,635,284 - Delivery of multiple doses of medications
                 7,431,944 - Delivery of multiple doses of medications
                 6,528,530 - Phenidate drug formulations having diminished abuse potential

73. Eidos Display, LLC et al v. AU Optronics Corporation et al
Case: 6:11-cv-00201 filed on April 25, 2011 in Eastern District of Texas
Plaintiff(s): Eidos Display, LLC et al
Defendant(s): AU Optronics Corporation et al
Sector: High-Tech
Patent(s): 5,879,958 - Method of producing an electro-optical device

74. Elan Corporation plc et al v. Teva Pharmaceuticals USA Inc.
Case: 1:11-cv-00367 filed on April 25, 2011 in District of Delaware
Plaintiff(s): Elan Corporation plc et al
Defendant(s): Teva Pharmaceuticals USA Inc.
Patent(s): 6,730,325 - Multiparticulate modified release composition
                 6,228,398 - Multiparticulate modified release composition

75. Fox Enterprises v. CTS Electronic Components
Case: 2:11-cv-00239 filed on April 25, 2011 in Middle District of Florida
Plaintiff(s): Fox Enterprises
Defendant(s): CTS Electronic Components
Sector: High-Tech
Patent(s): 5,466,954 - Shunt phototransistor with reverse bias protection
                 5,446,954 - Method for manufacturing a frequency control device

76. Genzyme Corporation v. Seikagaku Corporation et al
Case: 1:11-cv-10704 filed on April 25, 2011 in District of Massachusetts
Plaintiff(s): Genzyme Corporation
Defendant(s): Seikagaku Corporation et al
Patent(s): 7,931,030

77. M. Eagles Tool Warehouse, Inc. v. Harbor Freight Tools
Case: 1:11-cv-02776 filed on April 25, 2011 in Southern District of New York
Plaintiff(s): M. Eagles Tool Warehouse, Inc.
Defendant(s): Harbor Freight Tools
Patent(s): 7,129,705 - Ignition spark tester

78. Daniel J. Magine v. American Underwater Products et al
Case: 1:11-cv-02728 filed on April 25, 2011 in Northern District of Illinois
Plaintiff(s): Daniel J. Magine
Defendant(s): American Underwater Products et al
Patent(s): RE42218

79. Performance Solutions, LLC v. Dick's Sporting Goods, Inc.
Case: 1:11-cv-10700 filed on April 25, 2011 in District of Massachusetts
Plaintiff(s): Performance Solutions, LLC
Defendant(s): Dick's Sporting Goods, Inc.
Patent(s): 7,918,774

80. Tammy Pintor v. Leslie Van Dorf et al
Case: 2:11-cv-00398 filed on April 25, 2011 in Eastern District Wisconsin
Plaintiff(s): Tammy Pintor
Defendant(s): Leslie Van Dorf et al
Patent(s): 7,753,759 - Article of apparel for concealing objects

81. Walker Digital LLC v. 2K Games Inc.
Case: 1:11-cv-00368 filed on April 25, 2011 in District of Delaware
Plaintiff(s): Walker Digital LLC
Defendant(s): 2K Games Inc.
Sector: High-Tech
Patent(s): 6,425,828 - Database driven online distributed tournament system
                 6,224,486 - Database driven online distributed tournament system

82. Genzyme Corporation v. Anika Therapeutics, Inc.
Case: 1:11-cv-10705 filed on April 26, 2011 in District of Massachusetts
Plaintiff(s): Genzyme Corporation
Defendant(s): Anika Therapeutics, Inc.
Patent(s): 7,931,030

83. Greenlight Research Labs, LLC v. Fairchild Semiconductor Corporation
Case: 2:11-cv-00233 filed on April 26, 2011 in Eastern District of Texas
Plaintiff(s): Greenlight Research Labs, LLC
Defendant(s): Fairchild Semiconductor Corporation
Patent(s): 4,364,073 - Power MOSFET with an anode region

84. Island Intellectual Property LLC v. Clearview Correspondent Services, LLC et al
Case: 1:11-cv-00448 filed on April 26, 2011 in Eastern District of Virginia
Plaintiff(s): Island Intellectual Property LLC
Defendant(s): Clearview Correspondent Services, LLC et al
Patent(s): 7,933,821

85. Island Intellectual Property LLC v. First Southwest Company
Case: 1:11-cv-00371 filed on April 26, 2011 in District of Delaware
Plaintiff(s): Island Intellectual Property LLC
Defendant(s): First Southwest Company
Patent(s): 7,933,821

86. Lung Sheng Ind. v. K2 Motor Spyder Option Group Intergrated Strategic Resources
Case: 3:11-cv-02036 filed on April 26, 2011 in Northern District of California
Plaintiff(s): Lung Sheng Ind.
Defendant(s): K2 Motor Spyder Option Group Intergrated Strategic Resources
Sector: Other
Patent(s): 7,287,876 - Cold cathode fluoresecent lamp lighting device
Summary: Cold cathode fluoresecent lamp lighting device

87. Matrix Environmental Technologies Inc. v. Innovative Engineering Solutions, Inc.
Case: 1:11-cv-10709 filed on April 26, 2011 in District of Massachusetts
Plaintiff(s): Matrix Environmental Technologies Inc.
Defendant(s): Innovative Engineering Solutions, Inc.
Patent(s): 5,874,001 - Ground water remediation method

88. Otter Products, LLC v. A.G. Findings and MFG. CO., Inc. et al
Case: 1:11-cv-01106 filed on April 26, 2011 in District of Colorado
Plaintiff(s): Otter Products, LLC
Defendant(s): A.G. Findings and MFG. CO., Inc. et al
Patent(s): 7,933,122

89. Walker Digital LLC v. Google Inc. et al
Case: 1:11-cv-00369 filed on April 26, 2011 in District of Delaware
Plaintiff(s): Walker Digital LLC
Defendant(s): Google Inc. et al
Sector: High-Tech
Subject: software
Patent(s): 7,933,893

90. Walker Digital v. Google et al
Case: 1:11-cv-00369 filed on April 26, 2011 in District of Delaware
Plaintiff(s): Walker Digital
Defendant(s): Google et al
Sector: High-Tech
Subject: software
Patent(s): 7,933,893

91. Samsung Electronics Co., Ltd. v. Apple, Inc.
Case: 3:11-cv-02079 filed on April 27, 2011 in Northern District of California
Plaintiff(s): Samsung Electronics Co., Ltd.
Defendant(s): Apple, Inc.
Patent(s): 6,493,002 - Method and apparatus for displaying and accessing control and status information in a computer system

92. Glen Raven v. Tingley Rubber
Case: 1:11-cv-00322 filed on April 27, 2011 in Middle District of North Carolina
Plaintiff(s): Glen Raven
Defendant(s): Tingley Rubber
Patent(s): 6,706,650 - Flame-resistant and high visibility fabric and apparel formed therefrom

93. Main Hastings LLC v. Commscope, Inc.
Case: 1:11-cv-02818 filed on April 27, 2011 in Northern District of Illinois
Plaintiff(s): Main Hastings LLC
Defendant(s): Commscope, Inc.
Patent(s): 4,944,776 - Dehumidifier for waveguide system
                 5,118,327 - Dehumidifier for supplying gas having controlled dew point

94. Pompare Technologies v. Epic Systems Cerner Hospira
Case: 1:11-cv-02799 filed on April 27, 2011 in Northern District of Illinois
Plaintiff(s): Pompare Technologies
Defendant(s): Epic Systems Cerner Hospira
Patent(s): 7,933,780

95. Precision Concrete Cutting, Inc. v. Concrete Sidewalk Solutions, Inc. et al
Case: 1:11-cv-01123 filed on April 27, 2011 in District of Colorado
Plaintiff(s): Precision Concrete Cutting, Inc.
Defendant(s): Concrete Sidewalk Solutions, Inc. et al
Patent(s): 7,402,095 - Method for removing trip hazards in concrete sidewalks
                 7,143,760 - Method for removing trip hazards in concrete sidewalks

96. Shire LLC et al v. Sandoz Inc.
Case: 1:11-cv-01110 filed on April 27, 2011 in District of Colorado
Plaintiff(s): Shire LLC et al
Defendant(s): Sandoz Inc.
Patent(s): 6,287,599 - Sustained release pharmaceutical dosage forms with minimized pH dependent dissolution profiles
                 5,854,290 - Use of guanfacine in the treatment of behavioral disorders
                 6,811,794 - Sustained release pharmaceutical dosage forms with minimized pH dependent dissolution profiles

97. Southern Sales & Marketing Group, Inc. v. Yotrio Corporation
Case: 1:11-cv-01371 filed on April 27, 2011 in Northern District of Georgia
Plaintiff(s): Southern Sales & Marketing Group, Inc.
Defendant(s): Yotrio Corporation
Patent(s): 7,604,015 - Umbrella having structural rib configured to receive electrical components and associated wiring

98. Tru-Balance, LLC v. Alcoa, Inc.
Case: 1:11-cv-01127 filed on April 27, 2011 in District of Colorado
Plaintiff(s): Tru-Balance, LLC
Defendant(s): Alcoa, Inc.
Patent(s): 7,178,880 - Wheel centering pin, kit and method

99. Mattel, Inc. v. MGA Entertainment, Inc.
Case: 04-09049 filed on April 27, 2011 in Central District of California
Plaintiff(s): Mattel, Inc.
Defendant(s): MGA Entertainment, Inc.
Patent(s): Summary: Mattell, Inc. sued MGA Entertainment, Inc. over the rights to the wildly popular line of Bratz dolls. Mattell originally filed its lawsuit accusing MGA of stealing trade secrets and copyright infringement seeking.

100. Futaba Industrial Co. Ltd v. Keylex Corporation
Case: 2:11-cv-11873 filed on April 28, 2011 in Eastern District of Michigan
Plaintiff(s): Futaba Industrial Co. Ltd
Defendant(s): Keylex Corporation
Patent(s): 6,615,489 - Method of manufacturing a fuel inlet

101. The Medicines Company v. Dr. Reddy's Laboratories, Ltd. Et al
Case: 3:11-cv-02456 filed on April 28, 2011 in District of New Jersey
Plaintiff(s): The Medicines Company
Defendant(s): Dr. Reddy's Laboratories, Ltd. Et al
Sector: Bio-Tech
Subject: Drugs
Patent(s): 7,598,343 - Pharmaceutical formulations of bivalirudin and processes of making the same
                 7,582,727

102. Princeton Power Systems Inc. v. Varentec Inc. et al
Case: 3:11-cv-02453 filed on April 28, 2011 in District of New Jersey
Plaintiff(s): Princeton Power Systems Inc.
Defendant(s): Varentec Inc. et al
Sector: Other
Patent(s): 6,118,678 - Charge transfer apparatus and method therefore
Summary: Charge transfer apparatus and method therefore

103. Rubbermaid Incorporated v. EnovateIT, LLC
Case: 3:11-cv-00209 filed on April 28, 2011 in Western District of North Carolina
Plaintiff(s): Rubbermaid Incorporated
Defendant(s): EnovateIT, LLC
Patent(s): 7,594,668 - Medical cart, medication module, height adjustment mechanism, and method of medication transport

104. Shape Corp. v. Affordable Interior Systems Inc.
Case: 1:11-cv-00429 filed on April 28, 2011 in Western District Michigan
Plaintiff(s): Shape Corp.
Defendant(s): Affordable Interior Systems Inc.
Sector: Other
Patent(s): 5,625,991 - Multiple panel assembly and connector assembly therefor
Summary: Multiple panel assembly and connector assembly therefor

105. Larry Tang v. Northpole, Ltd.et al
Case: 5:11-cv-05112 filed on April 28, 2011 in Western District of Arkansa
Plaintiff(s): Larry Tang
Defendant(s): Northpole, Ltd.et al
Patent(s): 6,322,138 - Collapsible patio chair

106. Taro Pharmaceuticals North America Inc. et al v. Suven Life Sciences Ltd. Et al
Case: 3:11-cv-02452 filed on April 28, 2011 in District of New Jersey
Plaintiff(s): Taro Pharmaceuticals North America Inc. et al
Defendant(s): Suven Life Sciences Ltd. Et al
Sector: Bio-Tech
Subject: Pharma
Patent(s): 7,560,445 - Process for preparing malathion for pharmaceutical use
Summary: Process for preparing malathion for pharmaceutical use

107. ArrivalStar S.A. et al v. Encore Forwarding, Inc. et al
Case: 1:11-cv-21493 filed on April 29, 2011 in Southern District of Florida
Plaintiff(s): ArrivalStar S.A. et al
Defendant(s): Encore Forwarding, Inc. et al
Sector: Other
Patent(s): 6,486,801 - Base station apparatus and method for monitoring travel of a mobile vehicle
                 7,030,781 - Notification system and method that informs a party of vehicle delay
                 6,714,859 - System and method for an advance notification system for monitoring and reporting proximity of a vehicle
                 6,411,891 - Advance notification system and method utilizing user-definable notification time periods
                 6,748,320 - Advance notification systems and methods utilizing a computer network
                 6,317,060 - Base station system and method for monitoring travel of mobile vehicles and communicating notification messages
                 7,400,970 - System and method for an advance notification system for monitoring and reporting proximity of a vehicle
                 6,952,645 - System and method for activation of an advance notification system for monitoring and reporting status of vehicle travel
                 6,904,359

108. Cincinnati Bell, Inc. v. Arrivalstar S.A. et al
Case: 1:11-cv-00274 filed on April 29, 2011 in Southern District of Ohio
Plaintiff(s): Cincinnati Bell, Inc.
Defendant(s): Arrivalstar S.A. et al
Patent(s): 7,400,970 - System and method for an advance notification system for monitoring and reporting proximity of a vehicle
                 7,030,781 - Notification system and method that informs a party of vehicle delay
                 6,904,359

109. Michael David Lee v. Commissioner for Patents et al
Case: 2:11-cv-03682 filed on April 29, 2011 in Central District of California
Plaintiff(s): Michael David Lee
Defendant(s): Commissioner for Patents et al
Sector: Other
Patent(s): 6,641,138 - Original Jake and the pancake game
Summary: Original Jake and the pancake game