Update on paper patent file wrapper requests

As a result of a storage site consolidation, effective January 1, 2021, the fulfillment time for requests for paper patent file wrappers located in Suitland, Maryland, will increase slightly from 37 days to up to 47 days. Requests for file wrappers located at the National Archives Records Administration (NARA) in Kansas City, Missouri will continue to take up to 47 days. This affects non-digital, certified copies with a date of issuance between January 1, 1941 and January 1, 1981. All electronic file wrapper processing time will remain the same. 

Visit USPTO.gov for more information on patent file wrappers or to request a file wrapper.