# Signa (signa.so)

A REST API that searches, screens and monitors trademark records across USPTO, EUIPO, WIPO and UKIPO registers.

- Atlas card: https://inite.ai/en/atlas/signa.so
- Site: https://signa.so
- For: developers and platform teams needing trademark search and screening data via API
- Categories: dev
- Use not measured/100 · alive 100/100

## Used for

- query several national trademark registers in one request
- screen a proposed brand name for likely conflicts before launch
- monitor new filings and get alerts on similar marks

## Price

- freemium (read 2026-11-03 on https://signa.so/pricing)

## For developers

- MCP server: so.signa/signa (namespace; auth on 2026-11-03)
- Status page: https://status.signa.so
- Read 2026-11-03

## MCP server, measured daily

Server: https://api.signa.so/mcp, checked every day since 2026-11-03 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 222 ms
- Sign-in: OAuth (the client signs the user in)
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: gdpr
- Training on your data: no (https://signa.so/legal/privacy-policy)
- Read 2026-11-03

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Source: INITE Atlas, https://inite.ai/en/atlas/signa.so. JSON: https://inite.ai/api/atlas/signa.so. MCP: https://inite.ai/api/mcp (atlas_lookup).