How To Avoid Having A Worthless Patent

This summer, the United States Patent & Trademark Office issued patent number 10 million with great fanfare. But most of those patents are worthless, I’m afraid. Few patented inventions recoup the cost of filing and maintaining patent protection. There isn’t a single definitive figure. But it’s safe to say probably fewer than 10% do.

https://www.forbes.com/sites/stephenkey/2018/10/11/how-to-avoid-having-a-worthless-patent/#3c42e48c136f