The USPTO Trademark Trial and Appeal Board (TTAB) has issued a final decision in cancellation proceeding TTAB92089847, granting the cancellation of the MISONIA trademark. The proceeding was initiated by Sofiia Duiko against Liu JiaFeng. The decision, dated March 18, 2026, effectively removes the MISONIA mark from the register based on the plaintiff's arguments.

This decision signifies the successful challenge to the registration of the MISONIA mark. Parties involved in trademark disputes, particularly those challenging or defending registrations before the TTAB, should note this outcome. Legal professionals representing clients in similar proceedings may use this decision as precedent. No further action is required by regulated entities outside of the parties involved in this specific case.