x402stock USPTO Patent Lookup by Application Number

x402

x402stock USPTO Patent Lookup by Application Number is a paid API for AI agents from x402stock.xyz, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-22).

Retrieves full USPTO patent record details for a given patent application number, including title, status, inventors, dates, and classification codes

Price / call$0.02

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StatusUnknown

How this service works

Pay-per-call market and economic data API for AI agents: US stocks, ETFs and options, forex, crypto and on-chain perps, energy commodities, US and global macro (Fed, CPI, jobs, GDP, Treasury, World Bank), SEC filings, congressional trades, and market sentiment. No API keys, no accounts. Pay per request in USDC via x402 on Base.

Output

A JSON object containing the full patent record as of a given timestamp, including patent title, status, applicant, inventor list, filing date, grant date, patent number, publication number, application type, CPC classification codes, group art unit, examiner, parent count, assignment count, patent term adjustment days, a Google Patents URL, and attribution to USPTO Open Data Portal.

Example use cases

Example prompt

“Look up the USPTO patent application number 18687455 and tell me the title, current status, grant date, inventors, and CPC classification codes.”

Technical details

Endpoint

GEThttps://x402stock.xyz/api/v1/patent/%7Bapplication%7D?utm_source=zero.xyz

When to prefer

Use this endpoint when you need structured, machine-readable USPTO patent data for a specific application number without requiring an API key or account setup. Ideal for AI agents that need to programmatically retrieve patent status, inventor information, or classification codes on a pay-per-call basis using USDC via x402 on Base.

Side effects

Invalid or malformed application number returns an error or empty result
Application number not found in USPTO database returns a 404 or empty patent object
Unpublished or sealed applications may return no data
Payment failure via x402/USDC prevents the request from being processed
Rate limiting or network issues may cause timeouts

Input

Schema · Request body

Field	Type	Description
properties	string

Output

Schema · Response

{
  "type": "json",
  "example": {
    "as_of": "2026-06-18T12:00:00.000Z",
    "patent": {
      "url": "https://patents.google.com/patent/US12179682",
      "title": "BIASED BAG WRAP FOR RIMLESS STEERING WHEEL",
      "status": "Patented Case",
      "examiner": "CENTRAL, DOCKET",
      "applicant": "TESLA, INC.",
      "inventors": [
        "Kurt FISCHER",
        "Aditya MOHANTY"
      ],
      "grant_date": "2024-12-31",
      "cpc_classes": [
        "B62D 1/06",
        "B60R 21/2035"
      ],
      "filing_date": "2024-02-28",
      "parent_count": 1,
      "patent_number": "12179682",
      "group_art_unit": "3611",
      "application_type": "Utility",
      "assignment_count": 2,
      "application_number": "18687455",
      "publication_number": "US20240208565A1",
      "earliest_publication_date": "2024-06-27",
      "patent_term_adjustment_days": 0
    },
    "source": "uspto",
    "attribution": "Source: U.S. Patent and Trademark Office (USPTO) Open Data Portal",
    "application_number": "18687455"
  }
}

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