---
title: "Search USPTO's own patent full-text search index"
method: GET
path: "/usptoppubs/search"
tags: ["USPTO Patent Public Search"]
---

# Search USPTO's own patent full-text search index

`GET /usptoppubs/search`

## Request

- Base URL: `https://api.crawlora.net/api/v1`
- URL: `https://api.crawlora.net/api/v1/usptoppubs/search`
- Auth: API key in header `x-api-key`

Searches USPTO Patent Public Search's full-text index of granted patents and published applications, returning bibliographic results (title, applicant/assignee, inventors, filing and publication dates, application number, IPC/CPC classifications, page count). q accepts USPTO's full Advanced Search query syntax -- field-specific search (e.g. battery.ti., Microsoft.as.), date ranges (@pd>=20200101<=20241231), boolean and proximity operators, and wildcards -- see the markdown doc for the full field-code table and syntax reference.

## Query parameters

- `q` string, required
- `databases` string
- `num` integer
- `page` integer

## Headers

- `x-api-key` string, required

## Response `200`

OK

- UsptoppubsSearchResponseDoc
  - `code` integer
  - `data` UsptoppubsSearchResponse
    - `fetched_at` string
    - `num_found` integer
    - `page` integer
    - `per_page` integer
    - `query` string
    - `results` UsptoppubsSearchResult[]
      - `applicant_names` string[]
      - `application_number` string
      - `assignee_name` string
      - `cpc_codes` string
      - `database` string
      - `filing_date` string
      - `guid` string
      - `inventors_short` string
      - `ipc_codes` string
      - `kind_codes` string[]
      - `language` string
      - `page_count` integer
      - `publication_date` string
      - `publication_number` string
      - `title` string
    - `source_url` string
  - `msg` string

## Other responses

- `400`: Bad Request
- `429`: Too Many Requests
- `500`: Internal Server Error
- `503`: Service Unavailable

---

[API](https://skmtc.dev/crawlora/apis/crawlora-api.md) · [All operations](https://skmtc.dev/crawlora/apis/crawlora-api/llms.txt) · [OpenAPI document](https://skmtc.dev/crawlora/apis/crawlora-api/revisions/afac9b012a27?raw)