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Patent Format (KEV)
The KEV serialization for patent grants and applications, with descriptors for patent number, country, kind code, applicant, assignee, and inventor.
The Patent KEV format covers patent grants and applications. Its identifier is info:ofi/fmt:kev:mtx:patent.
Format identifier
rft_val_fmt=info:ofi/fmt:kev:mtx:patentDescriptor keys
| Key | Description | Example |
|---|---|---|
rft.patent_number | Patent number (without country prefix) | 7654321 |
rft.cc | Country code of the granting authority | US |
rft.kind | Kind code (WIPO Standard ST.16): A1, B2, S1, etc. | B2 |
rft.title | Title of the invention | Method for Indexing Documents |
rft.applicant | Applicant (repeatable) | Example Corp. |
rft.assignee | Assignee (repeatable) | Example Corp. |
rft.inventor | Inventor (repeatable) | Smith, Anne |
rft.prioritydate | Priority date | 2008-04-15 |
rft.applnumber | Application number | 12/345,678 |
rft.applcc | Country code of the application | US |
rft.appldate | Application filing date | 2008-12-01 |
rft.date | Date of grant or publication | 2010-06-22 |
Worked example
ctx_ver=Z39.88-2004
&rft_val_fmt=info:ofi/fmt:kev:mtx:patent
&rft.patent_number=7654321
&rft.cc=US
&rft.kind=B2
&rft.title=Method+and+System+for+Document+Indexing
&rft.inventor=Doe%2C+Jane
&rft.inventor=Roe%2C+Richard
&rft.assignee=Example+Corporation
&rft.applnumber=12%2F345%2C678
&rft.applcc=US
&rft.appldate=2008-12-01
&rft.date=2010-06-22
&rfr_id=info:sid/example.com:patentdbNotes
- Country and kind codes follow WIPO Standard ST.3 (country) and ST.16 (kind), respectively.
- Inventors and applicants may be repeated.
- The full patent designation in print — e.g. "US 7,654,321 B2" — is built from
rft.cc+rft.patent_number+rft.kind.