February 04, 2026
The U.S. Patent and Trademark Office has removed the precedential status of two 2019 decisions addressing the rule that patent challengers must identify all interested parties, saying they were at odds with a decision that was made precedential last year.
October 30, 2025
U.S. Patent and Trademark Office Director John Squires has started requiring patent challengers to disclose all real parties in interest when filing their initial Patent Trial and Appeal Board petitions, building on his policies to limit such challenges and citing concerns over national security.