Beijing Sanyou Intellectual Property Agency Ltd.
北京三友知识产权代理有限公司
Beijing Sanyou Intellectual Property Agency Ltd. is a China-based patent law firm with 36 years of recorded international activity (1990–2025). 3,679 total international patent cases are on record, spanning 4 foreign jurisdictions and 371 distinct corporate applicants. This public snapshot is drawn from FlowIP's IP5 patent exchange dataset; full partner lists, time series, and decision-maker analysis are available to signed-in users.
- Total cases
- 3,679
- Last 5 years
- 1,100
- Applicants
- 371
- Flow type
- Incoming-heavy
Applicant count reflects distinct corporate clients represented in outgoing filings.
Activity trend (last 10 years)
Top international partners
Sends cases to
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See the full picture
This public profile shows the top 5 partners, summary trend, and aggregate applicant count. Sign in to see the complete partner list, year-by-year breakdown, decision-maker analysis (firm vs client-driven), and named top applicants for Beijing Sanyou Intellectual Property Agency Ltd..