x402.agentutility.ai

https://x402.agentutility.ai/patent-search-api

Search USPTO patents by keyword, inventor, assignee, CPC class, or filing date range. Returns abstracts, inventors, assignees, and publication numbers from the USPTO Open Data backend — a patent lookup and prior-art search endpoint for agents.

last updated: Jul 3, 2026 · type: http · x402 v2

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