Skip to main content
​
October 2025
v1.2.0

​
AI-Powered Analysis Suite

Launched our comprehensive AI analysis features for trademark clearance:
  • Trademark Conflict Check: Quick trademark conflict detection in 300-800ms (POST /v1/analysis/check)
  • Trademark Clearance Search: Comprehensive AI analysis with risk scoring and recommendations (POST /v1/analysis/clearance)
  • Trademark Class Suggestion: AI-powered Nice class classification for products (POST /v1/analysis/classify)
  • Risk Scoring: Automatic risk level detection (CLEAR, LOW, MEDIUM, HIGH)
  • Alternative Names: Get suggestions when conflicts exist
Search and analyze trademark owners and their portfolios:
  • Owner Search: Find trademarks by owner name (GET /v1/owners/search)
  • Owner Details: Get detailed owner information and statistics (GET /v1/owners/{owner_id})
  • Owner Portfolio: View all trademarks owned by a specific entity (GET /v1/owners/{owner_id}/trademarks)

​
Performance Improvements

  • 50% faster search - Optimized indexing and query processing
  • Reduced latency - Average API response time now under 150ms
  • Better caching - Smart caching reduces unnecessary API calls
​
September 2025
v1.1.0

​
WIPO Coverage Added

We’ve expanded our trademark coverage to include WIPO (World Intellectual Property Organization)! Search 1.5M+ international trademarks across 130+ countries via the Madrid Protocol.
  • Full WIPO database integration
  • Normalized data matching our unified schema
  • Cross-office canonical IDs for tracking mark families
Total coverage now: 147M+ trademark records across USPTO, EUIPO, UKIPO, WIPO, and 200+ offices.

​
Webhook Monitoring

Set up real-time monitoring for trademark filings and status changes:
  • Get notified when new marks matching your criteria are filed
  • Track status changes (pending → registered, etc.)
  • Monitor competitor activity
  • Custom webhook events and filters
See our new Webhooks Guide for implementation details.Upload logos and find visually similar design marks using computer vision:
POST /v1/trademarks/search/image
# Upload PNG, JPEG, GIF, or WebP (max 10MB)

​
Bug Fixes

  • Fixed pagination cursor issues with large result sets
  • Improved status normalization for EUIPO marks
  • Corrected Nice class mappings for certain industries
​
August 2025
v1.0.0

​
Public Beta Launch

We’re excited to launch Signa! The ultimate developer-first trademark search API.

​
Core Features

  • Unified Search: Search USPTO, EUIPO, and UKIPO with a single API
  • Normalized Data: Consistent data structure across all trademark offices
  • Text Search: Search trademarks with filtering options
  • Advanced Filtering: By jurisdiction, class, status, owner, and more
  • Credit-Based Pricing: Simple, transparent pricing instead of complex rate limits

​
Coverage

  • USPTO: 3.5M+ US trademarks
  • EUIPO: 2M+ EU trademarks
  • UKIPO: 500K+ UK trademarks

​
Documentation

  • Complete API reference with interactive examples
  • Comprehensive guides for authentication, rate limits, and best practices
  • Code examples in JavaScript, Python, Go, and Ruby
  • OpenAPI 3.1 specification
Get your API key →Thank you to our beta testers for helping us build something developers love!
​
July 2025
v0.9.0

​
Private Beta

Launched private beta with select partners:
  • E-commerce platforms integration testing
  • Law firm preliminary clearance workflows
  • Naming agency brand availability checks
Key learnings:
  • Need for faster search performance (implemented in v1.0)
  • Request for owner portfolio analysis (added in v1.2)
  • Demand for AI-powered analysis (shipped in v1.2)
Special thanks to our beta partners for invaluable feedback!