---
title: "P100 Claim Similarity Analysis"
method: POST
path: "/search/patent/claim-sim"
tags: ["Patent Basic Data"]
---

# P100 Claim Similarity Analysis

`POST /search/patent/claim-sim`

## Request

- Base URL: `https://connect.patsnap.com`
- URL: `https://connect.patsnap.com/search/patent/claim-sim`
- Auth: HTTP bearer
- TypeScript: <https://skmtc.dev/patsnap/apis/patsnap-open-platform-api/docs/search/patent/claim-sim/post.ts> (a function with typed inputs; its response is checked against the schema)

Analyze the similarity between two claim texts and return a similarity score between 0-1. This interface is based on deep learning models that can accurately identify similarities in technical features, structural composition, and expression methods of claims.

## Request body

- P100PatentClaimSimRequest
  - `src` string, required: Source claim text
  - `tgt` string, required: Target claim text

## Response `200`

Successful p100 claim similarity analysis response.

- P100PatentClaimSimResponse
  - `data` P100PatentClaimSimClaimSim
    - `score` number, float: Similarity score, range 0-1, higher value indicates higher similarity
  - `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)