Attorney
Brett A. Mangrum
0 review
241 cases
17 years of experience
Partner at Cherry Johnson Siegmund James, PLLC
Plano, TX
b**@**law.com
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(254) ***-****
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Practice Areas (2)
Patent Prosecution
Intellectual Property Litigation
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Brett A. Mangrum of Cherry Johnson Siegmund James, PLLC Attorney Patent Litigation

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Last 5 Years
  • Last 5 Years
  • Last 12 Months
121
Cases
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Unique Patents
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Law Firms
Overall Activity & Performance
Activity Rank
Performance Rank
Cases
Filed per Year
Breakdown
Appeal Ratio
Unique Patents
Professional Ecosystem
Top Companies the Attorney has Represented the Most
Clients
Courts
Attorneys
Conflicts
Judges
89
20
5
2
1
Technology Centers
Top Technology Centers of the Patents Litigated
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Statuses and Conclusions of Cases in Different Stages
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