Signa
Search, screen and monitor trademarks across USPTO, EUIPO, WIPO, UKIPO and more with one API.
About Signa
The global trademark API, built for developers and AI agents. Search, screen and monitor trademarks across the world's registers, including USPTO, EUIPO, WIPO and UKIPO.
Does ChatGPT recommend your AI tool?
If you're building in Legal & Contracts, run a free AI-visibility scan on your own product — we ask ChatGPT across 5 prompt angles and score how often you get named. ~30 seconds, no signup, no card.
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Is Signa your tool?
This is the page shoppers and AI assistants read when they look up Signa. The one-time $99 Verified tier adds:
- Our 12-point AI-visibility scan of Signa, emailed to you: which ChatGPT prompts named you, which named a competitor instead, and the wording the model used.
- The 🛡️ Verified badge on this page and next to your name in the category and newest-tool lists.
One-time $99, no subscription, nothing to fill in again. Your link back to your site is marked rel="sponsored", as Google requires for paid listings.
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