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Google API: Search patents

Finds Google Patents about an invention. Optional filters: inventor, assignee, country, filing date and publication stage. Legal status is the site's estimate.

patents.google.com (opens in a new tab)Version 1ReadNo sign-inVerified Nov 2, 2026

Unofficial. Not affiliated with or endorsed by Google.

Inputs

Values from the run on Oct 23, 2026, shown under Output.

Page optionalpage

Results page to return, for example 2. The first page is 1.

1 (default)

Whole number 1 or more.

Sort optionalsort

Result order, for example newest.

newest

One of relevance, newest, oldest. Default relevance.

Query, requiredquery

Describe the invention in plain words, for example wireless charging for electric cars.

battery temperature management

Status optionalstatus

Publication stage, for example granted. Any includes both.

granted

One of any, granted, application. Default any.

Company optionalcompany

Assignee company, for example Tesla.

Not set

Inventor optionalinventor

Inventor name, for example John B Goodenough.

John B Goodenough

Countries optionalcountries

Countries by name or two-letter code, for example ["United States", "Germany"]. Omit for all countries.

  • United States

List of text.

Filed After optionalfiled_after

Earliest filing date, for example 2015-01-01.

2000-01-01

Max Results optionalmax_results

Number of patents to return, for example 20. Maximum 100.

5

Whole number from 1 to 100. Default 20.

Filed Before optionalfiled_before

Latest filing date, for example 2025-01-01.

2025-01-01

Output

From a run on Oct 23, 2026, shortened for this page.
{  "patents": [    {      "link": "https://patents.google.com/patent/US12322831B2/en",      "title": "Electrolyte membrane for an alkali metal battery",      "status": "Active",      "assignee": "Enpower Greentech, Inc.",      "inventors": [        "John B. Goodenough"      ],      "grant_date": "2025-06-03",      "filing_date": "2021-09-27",      "patent_number": "US12322831B2",      "priority_date": "2020-09-28",      "abstract_snippet": "The present disclosure relates to an electrolyte membrane for an alkali metal or an alkali metal ion battery, comprising: a composite membrane comprising an ionically conductive polymer; an alkali metal salt; and a filler comprising a carbon nitride nanosheet, an oxygenated carbon nitride …",      "publication_date": "2025-06-03",      "thumbnail_image_link": "https://patentimages.storage.googleapis.com/76/0c/26/10bae5286c8678/US12322831-20250603-D00000.png"    },    {      "link": "https://patents.google.com/patent/US11049667B2/en",      "title": "Heat energy-powered electrochemical cells",      "status": "Expired - Fee Related",      "assignee": "Hydro-Quebec",      "inventors": [        "John B. Goodenough"      ],      "grant_date": "2021-06-29",      "filing_date": "2020-09-01",      "patent_number": "US11049667B2",      "priority_date": "2017-10-12",      "abstract_snippet": "The present disclosure provides a heat energy-powered electrochemical cell including an anode, a cathode, and a solid metal polymer/glass electrolyte. The solid metal polymer/glass electrolyte includes between 1% and 50% metal polymer by weight as compared to total solid metal polymer/glass …",      "publication_date": "2021-06-29",      "thumbnail_image_link": "https://patentimages.storage.googleapis.com/da/43/6e/105f6991d4c7c5/US11049667-20210629-D00000.png"    },    {      "link": "https://patents.google.com/patent/US11177474B2/en",      "title": "Electrochemical cells with a high voltage cathode",      "status": "Expired - Fee Related",      "assignee": "HYDRO-QUéBEC",      "inventors": [        "John B. Goodenough"      ],      "grant_date": "2021-11-16",      "filing_date": "2019-06-18",      "patent_number": "US11177474B2",      "priority_date": "2017-04-03",      "abstract_snippet": "The present disclosure provides a rechargeable electrochemical cell including an electrolyte side, a cathode side, and a polymer/plasticizer. The electrolyte side includes a solid glass electrolyte including an electrolyte mobile cation and electric dipoles, as well as an anode including a metal …",      "publication_date": "2021-11-16",      "thumbnail_image_link": "https://patentimages.storage.googleapis.com/8e/19/45/307bf17ba58c1f/US11177474-20211116-D00000.png"    }  ]}
Price
1 credit per completed run (1¢ with pay as you go); failed runs are free.
Method
patents.google.com/search_patents
Returns
patent number, title, assignee, inventors, dates, status, snippet, thumbnail, link

Use it from your agent

Give your agent this line. It reads SKILL.md, gets a Fous API key and connects the Fous MCP server. Its run then takes the method patents.google.com/search_patents with the inputs above.

Ask your agent

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  • Gets one public patent or published application by number, title, or Google Patents link, with claims, citations, family and classifications.

    patents.google.com/get_patent
  • Summarizes a company's public patents on Google Patents within filing dates (optionally narrowed by topic words): total found, filings per year, top technology areas and inventors across the 50 most recent records, and the most recent patents.

    patents.google.com/list_company_patents
  • Searches Google Books by words, author, subject or ISBN, with language, free-ebook and newest-first options. Ratings counts are not shown by the public book feed; newest sorts the available matches by publication date.

    books.google.com/search_books
  • Finds Google Flights options for a route and date with prices, local times, stops and emissions. Round-trip searches list outbound choices with their displayed round-trip fares.

    google.com/search_flights
  • Finds Android apps on Google Play by keywords, in Play search order, with each listing's developer, star rating, price and currency for the chosen country, download range and link. Results are limited to apps shown on the public search page.

    play.google.com/search_apps
  • Finds recent Google News articles about a company, person or topic for a country and language, in Google News order, optionally within a time window, with each article's publisher link resolved.

    news.google.com/search_news
  • Finds a verified advertiser in the Google Ads Transparency Center by company name or website domain and returns its Google ads with dates, regions, previews and ad pages. Counts may be approximate; regions and media previews are read for the first 40 ads.

    adstransparency.google.com/get_company_ads
  • Finds Chrome Web Store extensions by keywords in store order, with each listing's developer, users, rating, rating count, short description and store link. Some listings omit developer, users or ratings.

    chromewebstore.google.com/search_extensions