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Google Patents

Overview

Method Endpoint Version Description
POST /api/v1/open/search v1 Google Search API endpoint for retrieving search results

Request Headers

Header Type Required Description
Content-Type string Yes Must be set to application/json
Accept string No Response format (defaults to application/json)

Authentication

API Key Authentication - Pass the API key as a request parameter: api_key=your_api_key - Example: "api_key": "your_api_key_here"

Request Example

curl -X POST "https://domain/api/v1/open/search" \
  -H "Content-Type: application/json" \
  -d '{
    "api_key": "your_api_key_here",
    // ...
  }'

Response Format

All responses follow a standardized JSON structure:

{
  "code": 200,
  "msg": "Success",
  "reqId": "req_1234567890",
  "timestamp": "2025-01-08T10:30:00Z",
  "data": {
    // Response data object
  }
}

HTTP Status Codes

Code Status Description Retry
200 OK Request successful No

Request Parameters

Parameter Type Required Description Default
api_key string Yes API key for authentication
engine string Yes Search engine type, currently engine value is google_patents google
q string Yes Search query, supports regular Google search syntax (like inurl:, site:, intitle:) and advanced search parameters
country string No Parameter filters patent results by countries. Split multiple country codes with , (comma). List of supported country codes. Example:WO,US.
language string No Parameter filters patent results by languages. Split multiple languages with , (comma). List of supported values are: ENGLISH, GERMAN, CHINESE, FRENCH, SPANISH, ARABIC, JAPANESE, KOREAN, PORTUGUESE, RUSSIAN, ITALIAN, DUTCH, SWEDISH, FINNISH, NORWEGIAN, DANISH. Example:ENGLISH,GERMAN.
device string No Device type, currently only supports desktop version desktop
date string No Time range filter: h-last hour, d-last day, w-last week, m-last month, y-last year
page number No Parameter defines the page number. It's used for pagination. (e.g., 0 (default) is the first page of results, 1 is the 2nd page of results, etc.).
num number No Parameter defines the maximum number of results to return. (e.g., 10 (default) returns 10 results, 40 returns 40 results, and 100 returns 100 results).
before string No Parameter defines the maximum date of the results. The format of this field is type:YYYYMMDD. type can be one of priority, filing, and publication. Example: - priority:20231231, - publication:20250101
after string No Parameter defines the minimum date of the results. The format of this field is type:YYYYMMDD. type can be one of priority, filing, and publication. Example: - priority:20231231, - publication:20250101
status string No Parameter filters patent results by status. List of supported values are: GRANT - Grant, APPLICATION - Application
type string No Parameter filters patent results by type. List of supported values are: PATENT - Patent, DESIGN - Design
litigation string No Parameter filters patent results by litigation status. List of supported values are: YES - Has Related Litigation, NO - No Known Litigation
inventor string No Parameter defines the inventors of the patents. Split multiple inventors with , (comma)
assignee string No Parameter defines the assignees of the patents. Split multiple assignees with , (comma)
sort string No Parameter defines the sorting method. By default, the results are sorted by Relevance. List of supported values are: new - Newest, old - Oldest, Patent results are sorted by filing_date while scholar results are sorted by publication_date for new and old values
clustered string No Parameter defines how the results should be grouped. List of supported values are: true - Classification
dups string No Parameter defines the method of deduplication. Either Family (default) or Publication. List of supported values are: language - Publication
patents string No Parameter controls whether or not to include Google Patents results. (Defaults to true) true
scholar string No Parameter controls whether or not to include Google Scholar results. (Defaults to false) false
html string No Whether to return HTML format, 1-yes, 0-no 0

Response Example

{
    "code": 200,
    "data": {
        "search_metadata": {
            "raw_html_file": "oss_html",
            "total_time_taken": 2.032416469,
            "id": "1985902431212408832",
            "json_endpoint": "oss_json",
            "created_at": "2025-10-29 08:53:31",
            "processed_at": "2025-10-29 08:53:33",
            "google_url": "https://patents.google.com/xhr/query?url=q%3Dcoffee%26num%3D10",
            "status": "Success"
        },
        "search_information": {
            "organic_results_state": "",
            "page_number": 1,
            "time_taken_displayed": 0.63,
            "total_results": "",
            "total_pages": 100
        },
        "search_parameters": {
            "engine": "google_patents",
            "html": "0",
            "google_domain": "patents.google.com",
            "q": "coffee",
            "tbm": "pts"
        },
        "organic_results": [
            {
                "position": 1,
                "title": "Single serve brewing machine",
                "snippet": "136 and/or dispenser nozzles to accommodate higher throughput needs and/or to reduc",
                "patent_id": "patent/US10405690B2/en",
                "patent_link": "https://patents.google.com/patent/US10405690B2/en",
                "priority_date": "2014-06-19",
                "filing_date": "2015-04-21",
                "grant_date": "2019-09-10",
                "publication_date": "2019-09-10",
                "inventor": "Massimo Tentorio",
                "assignee": "Massimo Tentorio",
                "publication_number": "US10405690B2",
                "language": "en",
                "pdf": "5c/c6/6c/ea5952be6ba227/US10405690.pdf",
                "figures": [
                    {
                        "thumbnail": "4d/af/b4/7eaa2071298a4b/US10405690-20190910-D00000.png",
                        "full": "1c/a1/df/33b6ad145fd9f5/US10405690-20190910-D00000.png"
                    }
                ],
                "country_status": {
                  "EP": "ACTIVE",
                  "US": "ACTIVE",
               }
            }
        ],
        "pagination": {
            "current": 1,
            "next": "https://www.google.com/search?q=coffee&sca_esv=552fb68e3d08662a&gl=us&hl=en&tbm=nws&ei=OU7vaObMlsCU4-EP1quP2Qw&start=10&sa=N&ved=2ahUKEwimzfea2KWQAxVAyjgGHdbVI8sQ8NMDegQIBhAW"
        },
        "summary": {
            "assignee": [
                {
                    "key": "Total",
                    "percentage": 100,
                    "frequency": [
                        {
                            "year_range": "2025-2028",
                            "percentage": 0.2
                        }
                    ]
                }
            ]
        }
    },
    "msg": "string",
    "reqId": "string"
}

Complete Response Parameters Overview

search_metadata

object Contains metadata about the search execution

Parameter Type Description Applicable Terminal
id string Unique identifier for the search request desktop
json_endpoint string Provide an interface endpoint for searching related JSON data, through which JSON-formatted search data can be obtained desktop
created_at string The timestamp when the search request was created, recording the time when the search was initiated desktop
processed_at string The timestamp when the search results were processed and became available for return, recording the time point from processing to completion of the search desktop
google_url string The Google search URL, which contains the search keyword "coffee" along with language parameters (hl=en for English), regional parameters (gl=us for the United States), and other search parameters, used to redirect to the corresponding Google search page desktop
status string Status of the search execution (e.g., Success) desktop
raw_html_file string Identifier for the original HTML file desktop
total_time_taken number The total time spent on the entire search process (including request sending, result parsing, and other stages) desktop

search_information

object Contains information about the search results

Parameter Type Description Applicable Terminal
organic_results_state string State of organic results desktop
page_number number Current page number (indicating the current pagination index of the search results, used for browsing search results by pages) desktop
time_taken_displayed number TDisplay time (i.e., the time spent on displaying the search results) desktop
total_results string Total results count (the total number of results returned by this search) desktop
total_pages number Total number of search result pages desktop

search_parameters

object Contains the parameters used for the search

Parameter Type Description Applicable Terminal
q string Keywords used for this query desktop
engine string Search engine used for this query (e.g., google_web) desktop
html string When HTML=0, returns JSON; when HTML=1, returns HTML; when HTML=2, returns both JSON and HTML desktop
device string Device type used during search (e.g., desktop) desktop
google_domain string Specifies the corresponding Google domain (e.g., google.com, etc., used to distinguish Google services in different regions/locales) desktop
tbm string pts desktop

organic_results

object[] Google Patents Search aggregates global patent documents and patent information (such as patent texts, legal status, etc.).

Parameter Type Description Applicable Terminal
position number The patent's ranking position in the search results. desktop
title string Patent title desktop
snippet string Excerpt from the patent abstract desktop
patent_id string Patent unique identifier desktop
patent_link string Patent page URL (direct link to Google Patents details page) desktop
priority_date string Priority date desktop
filing_date string Filing date desktop
grant_date string Grant date desktop
publication_date string ‌Publication date desktop
inventor string Inventor(s) desktop
assignee string Assignee(s) desktop
publication_number string Publication number desktop
language string ‌Language of patent document desktop
figures object[] Patent drawing information set desktop
figures[].thumbnail string Drawing thumbnail resource path (for preview) desktop
figures[].full string Drawing full-version resource path (for high-resolution viewing) desktop
country_status object Patent legal status by jurisdiction desktop

pagination

object (Pagination) related fields used to describe pagination navigation information for search results

Parameter Type Description Applicable Terminal
current number Current page number desktop
next string Next page navigation link (can directly jump to the next page of search results) desktop

summary

object (Pagination) related fields used to describe pagination navigation information for search results

Parameter Type Description Applicable Terminal
assignee object[] List of patentee-related statistical items, where each object in the array corresponds to statistics for a specific type of patentee (or aggregated dimension) desktop
assignee[].key string Classification identifier for statistical items desktop
assignee[].percentage number Percentage proportion of statistical items desktop
assignee[].frequency object[] Temporal distribution / frequency list under statistical items, with each object in the array corresponding to statistics for a year interval desktop
assignee[].frequency[].year_range string Patent statistics year coverage desktop
assignee[].frequency[].percentage number Proportion within statistical items for a given year interval desktop