On January 19, 2022, the Patent Trial and Appeal Board (PTAB) issued a final written decision in Unified Patents, LLC v. Engle Grange, LLC holding all challenged claims of U.S. Patent 8,548,645 invalid. The ‘645 patent is generally directed towards a two-step key fob authentication system for an automobile. The patent was asserted against Ford in early 2020.
View district court litigations by Engle Grange. To read the petition and view the case record, see Unified’s Portal. Unified was represented by in-house counsel, David Seastrunk and Roshan Mansinghani, in this proceeding.