The TTAB sustained Opposition No. 91303367 filed by The Grounding Co. against Grounding OÜ's trademark application for 'GROUNDING'. The decision prevents the defendant from registering the contested mark. The opposition was filed on 2025-11-26 and the Board decision was issued on 2026-04-06.

The practical implication is that Grounding OÜ cannot proceed with registration of the 'GROUNDING' mark at the USPTO. Trademark practitioners should advise clients that opposition proceedings can result in sustained decisions blocking registration, and thorough trademark clearance searches should be conducted before filing to avoid costly opposition proceedings.