37 C.F.R. § 2.98 Adding party to interference.
Title 37 - Patents, Trademarks, and Copyrights
A party may be added to an interference only upon petition to the Director by that party. If an application which is or might be the subject of a petition for addition to an interference is not added, the examiner may suspend action on the application pending termination of the interference proceeding. [48 FR 23135, May 23, 1983]
Title 37: Patents, Trademarks, and Copyrights
PART 2—RULES OF PRACTICE IN TRADEMARK CASES
Interferences and Concurrent Use Proceedings
§ 2.98 Adding party to interference.
