---
title: "AI35-4 Novelty Check - Extract Technical Features"
method: POST
path: "/ai/novelty-search/feature/extract"
tags: ["Novelty Search"]
---

# AI35-4 Novelty Check - Extract Technical Features

`POST /ai/novelty-search/feature/extract`

## Request

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

Extract technical features based on the task_id.

## Request body

- AI354FeatureExtractRequest
  - `task_id` string, required: Task id

## Response `200`

Successful ai35-4 novelty check - extract technical features response.

- AI354FeatureExtractResponse
  - `data` AI354FeatureExtractNoveltySearchFeatureExtractResDTO
    - `data` AI354FeatureExtractNoveltySearchFeatureExtractDataDTO[]: Technical features list
      - `selected` boolean: Selected
      - `user_add` boolean: User added
      - `feature_num` string: Feature number
      - `feature_text` string: Feature text
      - `feature_weight` string: Feature weight
      - `feature_elements` string: Feature elements
      - `feature_function` string: Feature function
      - `feature_text_original` string: Original feature text
      - `feature_weight_reason` string: Feature weight reason
    - `status` integer: Task status (1: running, 2: successful, 3: generation exception).
  - `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)