[KongchangAI]
Unverified50% confidenceFactExact time

中国专利审查采用早期公开、请求审查制度,发明专利从申请到授权通常需要2-4年

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

Sources

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MCP
get_claim(id=838915)