Apple, Google, Intel, and Cisco on Monday filed a lawsuit that challenges a Patent Trial and Appeal Board precedent on inter partes reviews.Credit: U.S. Patent and Trademark OfficeThe lawsuit, lodged Monday in the U.S. District Court for the Northern District of California, is challenging what the tech giants are calling the NHK-Fintiv rule. In the complaint, the tech giants allege that rule was created illegally and undermines the American Invents Act.Read more