---
title: "P007 Patent Number Search Similar Patent"
method: POST
path: "/search/patent/similar-search-patent/v2"
tags: ["Patent Data Search"]
---

# P007 Patent Number Search Similar Patent

`POST /search/patent/similar-search-patent/v2`

## Request

- Base URL: `https://connect.patsnap.com`
- URL: `https://connect.patsnap.com/search/patent/similar-search-patent/v2`
- Auth: HTTP bearer

Receive similar patent list by patent id or patent number search, patent id is preferred when both are requested, the maximum number of patents returned is 1000. Sort by default from high to low similarity score.

## Request body

- P007SimilarSearchPatentV2Request
  - `patent_id` string: Patent id
  - `country` unknown[]: Authority and kind code. For the Authority code, refer to https://analytics.patsnap.com/status; Kind code is: A (Application), B (Granted Patent), U (Utility Model), D (Design). Multiple items can be searched, separated by comma.
    - unknown
  - `pbd_from` string: Start year of publication date
  - `offset` integer: offset value; limit + offset <= 20000 (the max number of Semantic Search is 1000)
  - `apd_from` string: Start year of application date
  - `patent_number` string: Patent number
  - `limit` integer: limit of returned response; must be <= 1,000
  - `pbd_to` string: End year of publication date
  - `apd_to` string: End year of application date
  - `relevancy` string: relevancy (the relevancy calculated logic can refer to: https://help.zhihuiya.com/help/360007811592/article/360040181092?categoryId=360002609831&showTabs=false)

## Response `200`

Successful p007 patent number search similar patent response.

- P007SimilarSearchPatentV2Response
  - `data` P007SimilarSearchPatentV2SearchComputeV2Response
    - `results` P007SimilarSearchPatentV2SemanticResult[]: result
      - `pn` string: patent number
      - `apdt` integer: Application Date
      - `apno` string: Application Number
      - `pbdt` integer: Publication Date
      - `title` string: Title
      - `inventor` string: Inventor
      - `patent_id` string: patent id
      - `relevancy` string: relevancy between the result patent and the input content
      - `current_assignee` string: Current Assignee
      - `original_assignee` string: Original Assignee (Applicant)
    - `result_count` integer: Received result count
    - `total_search_result_count` integer: Total search result count
  - `status` boolean, required: Status
  - `error_msg` string: Error Message
  - `error_code` integer, required: Error Code

## Other responses

- `201`: Created.
- `401`: Unauthorized.
- `403`: Forbidden.
- `404`: Not Found.

---

[API](https://skmtc.dev/patsnap/apis/patsnap-open-platform-api.md) - [All operations](https://skmtc.dev/patsnap/apis/patsnap-open-platform-api/llms.txt) - [OpenAPI document](https://skmtc.dev/patsnap/apis/patsnap-open-platform-api/revisions/c2264a0de595?raw)