Patents

live LegalTechnology

Search US patents by keyword, retrieve patent details, and look up inventors via PatentsView

4 tools
0ms auth
free tier 50 calls/day

Tools

search_patents

Search USPTO patent applications and grants. Use `query` for free-text keywords ("lithium battery", "crispr"). Optional structured filters: `applicant` (company name — use ALL CAPS like "APPLE INC." f

No parameters required.

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get_patent

Fetch a single USPTO patent application/grant by application number (e.g., "16/123,456" or "16123456"). Returns full metadata: title, inventors, classifications, status, prosecution events.

No parameters required.

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search_inventors

Search USPTO patent applications by inventor last name. Returns matching applications with title, inventor list, and filing date.

No parameters required.

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get_patent_assignments

Retrieve USPTO-recorded assignment/conveyance history for one patent application from the migrated Open Data Portal endpoint. Returns assignors, assignees, execution/recording dates, conveyance text,

No parameters required.

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Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash 
curl -X POST https://gateway.pipeworx.io/patents/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash 
curl -X POST https://gateway.pipeworx.io/patents/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"search_patents","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript 
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("search_patents", {});
ask_pipeworx 
// Or ask in plain English:
const answer = await px.ask("search us patents by keyword, retrieve patent details, and look up inventors via patentsview");