`get_patent_assignments`

Pack: patents · Connect: https://pipeworx.io/mcp (see Connect below for a single-pack URL)

No MCP client? Call it directly: GET https://gateway.pipeworx.io/v1/tools/get_patent_assignments for the schema, then POST the same URL with its arguments for the data.

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, and reel/frame. A recorded assignment is notice of a submitted instrument—not a legal opinion on present title, validity, scope, liens, or chain-of-title completeness.

Parameters

Name	Type	Required	Description
`application_number`	string	yes	US patent application number, digits only or formatted, e.g. “15/000,001”.
`_apiKey`	string	no	USPTO ODP API key. Get free at https://data.uspto.gov/myodp.

Example call

Arguments

{
  "application_number": "15/000,001"
}

curl

curl -X POST https://gateway.pipeworx.io/patents/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"get_patent_assignments","arguments":{"application_number":"15/000,001"}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('get_patent_assignments', {
  "application_number": "15/000,001"
});

Connect

Add this to your MCP client config — every tool in the catalog, including this one — or use one-click install buttons:

{
  "mcpServers": {
    "pipeworx": {
      "url": "https://pipeworx.io/mcp"
    }
  }
}

Connect to just the patents pack

{
  "mcpServers": {
    "patents": {
      "url": "https://gateway.pipeworx.io/patents/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

get_patent_assignments