[P016]Patent Citation

get
https://connect.patsnap.com/advanced-patent-data/forward-citation
Try in Sandbox

Query a specific patent’s citation during application process via patent_id or patent_number, including: citing patent country/region/organization code, cited patent document number/code, cited patent type (applicant/examiner citation), examiner-cited document category (X, Y, A, etc.), cited non-patent literature serial number, and its DOI, title, author, publication.

The API supports batch requests with a maximum of 100 patents, and more patent id or patent number are separated with English comma. Batch requests are deducted from traffic/costs, and will be deducted multiple times based on the number of successful results returned.

Request Parameters

List of parameters supported by this API endpoint

NameTypeExampleDescription
patent_id
string4ad45196-06ed-4bef-b5d5-ac2ff2b6032c,314b8a88-3877-4bf4-9461-f501f94876bd
patent_id
patent_number
stringUS10071304B2
patent_number

Response Schema

Structure of the API response data

Field NameTypeExampleDescription
data
array-
response data
pn
stringUS11205304B2
patent number
patent_id
string718ead9c-4f3c-4674-8f5a-24e126827269
patent id
patsnap_reference_cited
objectPlease check the form: ReferenceCitedIncrem
patsnap reference cited
cited_others
arrayPlease check the form: CitedOthers
citation reference
doi
string10.1016/J.JMGM.2011.06.008
Citation reference DOI
num
string0001
patents sequence
lang
stringJP
Language
text
stringLEI ZHANG ET AL,Potential interventions for novel coronavirus in China: A systematic review,JOURNAL OF MEDICAL VIROLOGY,vol.92,no.5,ISSN0146-6615,XP055744877,479-490
Citation reference text
title
stringPotential interventions for novel coronavirus in China: A systematic review
Citation reference title
author
arrayPlease check the form: Author
Citation reference author
lang
stringJP
Language
name
stringトヨタ自動車株式会社
name
sequence
integer<int32>1
sequence
copyright
stringNature
Citation reference publication
cited_patents
arrayPlease check the form: CitedPatents
citation patents
pn
stringCN112833870A
patent number
num
string0001
patents sequence
apdt
integer<int32>20201230
Application Date
apno
stringCN202011610975.8
application number
kind
stringA1
kind code
pbdt
integer<int32>20201230
Publication Date
title
string核磁共振陀螺中抑制碱金属原子极化磁场影响的有效方法
Title
country
stringUS
citation authority
category
array[ "A" ]
Citation category of examiners
inventor
string张燚|汪之国|李佳佳
Inventor
cite_type
array[ "EXA" ]
Citation type:

APP - applicant,EXA - examiner,OPP - opposition,TPO - third party observation,OTHER - others

doc_number
string20130033085
doc number
current_assignee
string中国人民解放军国防科技大学
Current Assignee
original_assignee
string中国人民解放军国防科技大学
Original Assignee (Applicant)
status
Required
booleanfalse
Status
error_msg
stringThe request parameter format is incorrect!
Error Message
error_code
Required
integer0
Error Code

Success Response Example

Example of a successful API response

JSON
{
  "data": [
    {
      "pn": "US11205304B2",
      "patent_id": "718ead9c-4f3c-4674-8f5a-24e126827269",
      "patsnap_reference_cited": {
        "cited_others": [
          {
            "doi": "10.1016/J.JMGM.2011.06.008",
            "num": "0001",
            "lang": "JP",
            "text": "LEI ZHANG ET AL,Potential interventions for novel coronavirus in China: A systematic review,JOURNAL OF MEDICAL VIROLOGY,vol.92,no.5,ISSN0146-6615,XP055744877,479-490",
            "title": "Potential interventions for novel coronavirus in China: A systematic review",
            "author": [
              {
                "lang": "JP",
                "name": "トヨタ自動車株式会社",
                "sequence": 1
              }
            ],
            "copyright": "Nature"
          }
        ],
        "cited_patents": [
          {
            "pn": "CN112833870A",
            "num": "0001",
            "apdt": 20201230,
            "apno": "CN202011610975.8",
            "kind": "A1",
            "pbdt": 20201230,
            "title": "核磁共振陀螺中抑制碱金属原子极化磁场影响的有效方法",
            "country": "US",
            "category": [
              "A"
            ],
            "inventor": "张燚|汪之国|李佳佳",
            "cite_type": [
              "EXA"
            ],
            "doc_number": "20130033085",
            "current_assignee": "中国人民解放军国防科技大学",
            "original_assignee": "中国人民解放军国防科技大学"
          }
        ]
      }
    }
  ],
  "status": true,
  "error_code": 0
}

Error Codes

List of possible error codes returned by this endpoint

Business Errors

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

Platform Errors

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

HTTP Status Codes

Status CodeDescription
0Success
401Unauthorized
403Forbidden
404Not Found

Performance Metrics

Expected performance characteristics for this endpoint

Normal Response Time

5000 ms

Max Response Time

10000 ms