---
title: "AI35-6 Novelty Check - Extract Search Elements"
method: POST
path: "/ai/novelty-search/retrieval/elements"
tags: ["Novelty Search"]
---

# AI35-6 Novelty Check - Extract Search Elements

`POST /ai/novelty-search/retrieval/elements`

## Request

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

Based on the technical features confirmed in [AI35-5], generate search elements (keywords, classification numbers, etc.).

## Request body

- AI356RetrievalElementsRequest
  - `task_id` string, required: Task id

## Response `200`

Successful ai35-6 novelty check - extract search elements response.

- AI356RetrievalElementsResponse
  - `data` AI356RetrievalElementsNoveltySearchElementResponse
    - `status` integer: Task status (1: running, 2: successful, 3: generation exception).
    - `elements` AI356RetrievalElementsNoveltySearchElementResDTO
      - `list` AI356RetrievalElementsNoveltySearchElementDataDTO[]: Retrieval elements list
        - `express` AI356RetrievalElementsElement[]: Expression list
          - `ipc` AI356RetrievalElementsBasicElement[]: IPC classification list
            - `key` string: Keyword
            - `source` string: Source
          - `word` AI356RetrievalElementsBasicElement
            - `key` string: Keyword
            - `source` string: Source
          - `extend` AI356RetrievalElementsBasicElement[]: Extended keywords list
            - `key` string: Keyword
            - `source` string: Source
        - `selected` boolean: Selected
        - `feature_type` string: Feature type (topic_search: topic elements, key_search: key elements, sup_search: supplementary elements)
        - `feature_text_original` string: Original feature text
      - `family_merge_enabled` boolean: Family merge enabled
  - `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)