The U.S. Patent and Trademark Office (USPTO) Trademark Trial and Appeal Board (TTAB) has opened opposition case TTAB91305960, involving the WEGOVIR trademark. Novo Nordisk A/S has filed the opposition against Mohan Jiang, who is identified as the defendant. The filing date for this opposition was March 17, 2026, and the TTAB has issued notices and trial dates.

This action signifies the commencement of a formal proceeding to challenge the registration of the WEGOVIR mark. The defendant, Mohan Jiang, must file an answer to the opposition by the specified deadline. Legal professionals involved in trademark prosecution and litigation should note this proceeding as it pertains to the WEGOVIR mark and the parties involved.