Unverified50% confidenceDecision RuleExact time
商标法核心原则之一是纯粹描述性的词汇难以获得保护，因消费者无法将其与单一商业来源关联
1
Sources
50%
Confidence
Long-term
Relevance
7/17/2026
First Seen
Sources
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https://kongchang.com/claim/546095API
curl https://kongchang.com/api/v1/knowledge/claims/546095MCP
get_claim(id=546095)