37 C.F.R. § 41.206 Common interests in the invention.
Title 37 - Patents, Trademarks, and Copyrights
An administrative patent judge may decline to declare, or if already declared the Board may issue judgment in, an interference between an application and another application or patent that are commonly owned.
Title 37: Patents, Trademarks, and Copyrights
PART 41—PRACTICE BEFORE THE BOARD OF PATENT APPEALS AND INTERFERENCES
Subpart E—Patent Interferences
§ 41.206 Common interests in the invention.