USPTO “SOUL BNB” Not Confusable With “AIRBNB,” Says TTAB, Noting Weakness of “BNB” The U.S. Court of Appeals for the Federal Circuit has held that if there is evidence that a mark, or an element of a mar... 2026.02.15 USPTO出所混同のおそれ商標の類否異議申立米国結合商標識別力