Unverified50% confidenceFactExact time
商标显著性分为固有显著性和通过使用获得的显著性（secondary meaning）
1
Sources
50%
Confidence
Long-term
Relevance
7/17/2026
First Seen
Sources
Cite This Claim
Stable URI
https://kongchang.com/claim/536343API
curl https://kongchang.com/api/v1/knowledge/claims/536343MCP
get_claim(id=536343)