37 C.F.R. § 2.92 Preliminary to interference.
Title 37 - Patents, Trademarks, and Copyrights
An interference which has been declared by the Director will not be instituted by the Trademark Trial and Appeal Board until the Examiner of Trademarks has determined that the marks which are to form the subject matter of the controversy are registrable, and all of the marks have been published in theOfficial Gazette for opposition. [54 FR 34897, Aug. 22, 1989]
Title 37: Patents, Trademarks, and Copyrights
PART 2—RULES OF PRACTICE IN TRADEMARK CASES
Interferences and Concurrent Use Proceedings
§ 2.92 Preliminary to interference.

