[KongchangAI]
Unverified50% confidenceFactExact time

美国专利商标局(USPTO)在审查商标申请时会考察该词汇在相关行业中的既有使用历史,若申请人无法证明产生「第二含义」(secondary meaning),注册请求通常会被驳回

1
Sources
50%
Confidence
Long-term
Relevance
9/14/2026
First Seen

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Stable URI
https://kongchang.com/claim/919934
API
curl https://kongchang.com/api/v1/knowledge/claims/919934
MCP
get_claim(id=919934)