Asia-Pacific
China Trademark API – Unified Access
Signa provides simplified access to CNIPA data with English language support, normalized data format, and consistent API.
Complex integration, limited features
CNIPA (China National Intellectual Property Administration) manages one of the world's largest trademark databases, but direct access is challenging: language barriers, complex data formats, limited API availability, and frequent data structure changes.
Search China trademarks in milliseconds
Signa provides simplified access to CNIPA data with English language support, normalized data format, and consistent API. Search Chinese trademarks as easily as any other jurisdiction—no language barriers, no integration headaches.
One API call, complete coverage
Enhanced CNIPA data with global coverage
AI-powered matching
Fuzzy, phonetic, and visual similarity detection built-in
Real-time data
Database updated daily from official trademark offices
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Everything you need for Chinese trademarks
Complete coverage, intelligent matching, and real-time updates—all through Signa's unified API.
Complete Coverage
Access all China trademark sources through one unified API. Enhanced CNIPA data with complete historical records and real-time updates.
Standardized Data
Clean JSON responses with consistent field names across all Chinese sources. No more wrestling with different formats—normalized data ready to use.
Real-Time Data Updates
Always fresh, always synchronized. Our database syncs daily with CNIPA to ensure you never miss new filings or status changes.
Blazing performance
Average response time under 300ms. Search millions of trademarks instantly across all Chinese sources, even with fuzzy and phonetic matching enabled.
Trademark records synced daily from official registers.
Typical response time across search endpoints.
Uptime target across all our services.
Built for IP professionals and businesses
From law firms to M&A teams. One search API, many workflows built on it.
Coverage & Data
Platform & Integration
Need more help? Check our documentation
Ready to access China trademark data?
Start building with Signa's unified API. Get complete China coverage with one simple integration.
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