What is the endpoint for [A001]Application and Issued Trend (keywords & ipc Search & Query Search)?

The [A001]Application and Issued Trend (keywords & ipc Search & Query Search) endpoint is GET https://connect.patsnap.com/insights/patent-trends.

Where can I find the OpenAPI schema for [A001]Application and Issued Trend (keywords & ipc Search & Query Search)?

The OpenAPI schema is available at /openapi.json#/paths/~1insights~1patent-trends/get. You can also browse the full specification at /openapi.json.

[A001]Application and Issued Trend (keywords & ipc Search & Query Search)

get

https://connect.patsnap.com/insights/patent-trends

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Analyze the annual application trend of the technology. The results include the number of patent applications in the unit of application year, and the number & proportion of patents finally issued in the patents applied for that year. The most recent 20 years of application and issued data are returned.

Search must contain either keywords or IPC or Query Search.

Request Parameters

List of parameters supported by this API endpoint

Name	Type	Example	Description
`apply_end_time`	`string`	`2020`	Patent apply date to, format:yyyy
`apply_start_time`	`string`	`2010`	Patent apply date from, format:yyyy
`authority`	`string`	`CN`	Select the authority of the patent, the default query all databases, eg CN、US、EP、JP. To find more information, refer to https://analytics.zhihuiya.com/status. Example: US OR EP
`ipc`	`string`	`B66B11`	Patent IPC classification
`keywords`	`string`	`car`	Searches for keywords within patent title and summary. Supports AND, OR, NOT search logic, for example "mobile phone AND (screen OR battery)".
`public_end_time`	`string`	`2020`	Patent publication date to, format:yyyy
`public_start_time`	`string`	`2010`	Patent publication date from, format:yyyy
`query_text`	`string`	`TACD: virtual reality`	Enter the Analytics Query, with a maximum length of 800 characters and cannot contain complex wildcards such as $W $PRE $WS $SEN $PARA $FREQ .etc

Response Schema

Structure of the API response data

Field Name	Type	Example	Description
`data`	`array`	-	response data
`values`	`array`	`[]`	values
`year`	`string`	`2024`	year
`total`	`integer<int32>`	`100000`	total
`grant_num`	`integer<int32>`	`900000`	grant number
`grant_rate`	`number<float>`	`90`	grant rate
`status` Required	`boolean`	`false`	Status
`error_msg`	`string`	`The request parameter format is incorrect！`	Error Message
`error_code` Required	`integer`	`0`	Error Code

Success Response Example

Example of a successful API response

JSON

{
  "data": [
    {
      "values": [
        {
          "year": 2024,
          "total": 100000,
          "grant_num": 900000,
          "grant_rate": 90
        }
      ]
    }
  ],
  "status": true,
  "error_code": 0
}

Error Codes

List of possible error codes returned by this endpoint

Business Errors

Error Code	Description
`68300004`	Invalid parameter!
`68300005`	Search api failure!
`68300006`	Analytic basic access error!
`68300007`	Bad request!
`68300008`	Service error, please try again later!
`68300010`	The file does not comply with upload specifications!

Platform Errors

Error Code	Description
`67200000`	API call exceeds the total limit set by the platform!
`67200001`	API call exceeds the total limit set by the platform!
`67200002`	The current call rate is too fast, exceeding the current configuration limit QPS!
`67200003`	The key and secret parameters for applying for the token are incorrect or the client has been disabled!
`67200004`	The requested api does not have permission. Please contact our support personnel!
`67200005`	Insufficient account balance/number of calls!
`67200006`	The client has exceeded the activation validity period!
`67200007`	The current call exceeds the configured usage limit of the day!
`67200008`	Please check if the required apikey in the query parameter has been transmitted!
`67200009`	The apikey does not match the passed bearerToken. Please check if a valid token is being used!
`67200012`	The request is illegal!
`67200100`	The current server status is busy, request response timeout!
`67200101`	The API requested currently does not exist. Please check the request path!

HTTP Status Codes

Status Code	Description
`0`	Success
`401`	Unauthorized
`403`	Forbidden
`404`	Not Found

Performance Metrics

Expected performance characteristics for this endpoint

Normal Response Time

5000 ms

Max Response Time

10000 ms