# Changes To Implement 20-Year Patent Term and Provisional Applications
> **US Patent and Trademark Office** · Final rule. · Published 1995-04-25 · Effective 1995-06-08 · 60 FR 20195
## Document
- **Document number:** 95-9838
- **Category:** bis-export-control
- **Sub-agency:** US Patent and Trademark Office
- **Federal Register citation:** 60 FR 20195
- **CFR reference:** 37 CFR 1
- **Publication date:** 1995-04-25
- **Effective date:** 1995-06-08
- **Commerce docket:** Docket No. 950404087-5087-01
## Abstract

The Patent and Trademark Office (PTO) is amending the rules of practice in patent cases to establish procedures for: filing and processing provisional application papers; calculating the length of any patent term extension to which an applicant is entitled where the issuance of a patent on an application filed on or after June 8, 1995 (the implementation date of the 20-year patent term provisions of the Uruguay Round Agreements Act), other [[Page 20196]] than for designs, was delayed due to interference proceedings, the imposition of a secrecy order and/or appellate review; and implementing certain transitional provisions contained in the Uruguay Round Agreements Act.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1995/04/25/95-9838/changes-to-implement-20-year-patent-term-and-provisional-applications)
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