ANCILLARY TO PRIORITY

ancillary  to  priority.Patents.  An  issue  that  is  so  logically  related  to  the  issue  of  priority  of

invention that it cannot be separated from the issue of priority. • The question whether an issue is A

ancillary to priority was once used to challenge the jurisdiction of the U.S. Patent and Trademark

Office,  but  the  Board  of  Patent  Appeals  and  Interferences  now  has  explicit  jurisdiction  over

ancillary issues. [Cases: Patents    90(1). C.J.S. Patents §§ 120–122.] [Blacks Law 8th]