Patent Databases
Comprehensive patent data can be found here
United States
- NBER patent data or link
- Search link for individual patent: link
- Patent API
- USPTO - United States patent and Trademark Office
- Patent ranking by orgs
- Bulk Data Storage System: repository for raw public bulk data
- Patent Assignment Dataset details information of patent assignment since 1970 with schema and description and code
- Pre-Grant Publications Data Download Tables with example code note that organizaiton here is different from Compustat and CRSP, hard to match.
- Patent Examiniation Data system: records of USPTO patent application, patent filing status and transaction history data
- Trademark Assignment Dataset
- Patent Assignment Dataset
- Duke Innovation
- Matched US patents to CRSP 1926 - 2010: Leonid Kogan, Dimitris Papanikolaou, Amit Seru, and Noah Stoffman. Description
- Maintainer with code
- Utility: 6 - 8 digits lasts for 20 years from the filed date
Year filed | Maximum term of validity | Act |
---|---|---|
1790–1835 | 14 years from issuance | Patent Act of 1790 |
1836–1860 | 21 years from issuance | Patent Act of 1836 |
1861– 1994 | 17 years from issuance | Congress changed term |
1994 - now | 20 years from filing | Uruguay Round Agreements Act |
Table based on wikipedia and USPTO
- Reissue (RE######)
- Plant Patent (PP######) lasts for 20 years from the application date
- Design (D#######) lasts for 14 years from the granted date
- Additions or Improvements (AI#######)
- X Patents (X#######)
- H Documents (H#######)
- T Documents (T#######)
Worldwide
- EPO and OECD data
- wipo
Matching process with CRSP or Compustat
- KPSS Technological Innovation, Resource Allocation, and Growth
- UVA Darden Global Corporate Patent Dataset
- Miao Liu Note that you need Bing API and use Python Github repo
- NBER Guide