DFARS 252.227-7000 Non-Estoppel
Clause Defense Federal Acquisition Regulation Supplement Oct 1966 version
Facts
- Citation
- DFARS 252.227-7000
- Type
- Clause
- Current version
- October 1966
- Supplements
- FAR Subpart 52.2 Text of Provisions and Clauses
- Text as of
- DFARS Change May 7, 2026
- Official text
- acquisition.gov
Text from acquisition.gov. Federal Register history from the Federal Register's records of the rules that amended this clause.
Text
As prescribed at 227.7009-1 , insert the following clause in patent releases, license agreements, and assignments:
NON-ESTOPPEL (OCT 1966)
The Government reserves the right at any time to contest the enforceability, validity, scope of, or the title to any patent or patent application herein licensed without waiving or forfeiting any right under this contract.
(End of clause)
Sections cited
- DFARS 227.7009-1 Required clauses
Quick answers
What is DFARS 252.227-7000?
DFARS 252.227-7000 is a clause of the Defense Federal Acquisition Regulation Supplement, titled "Non-Estoppel".
What is the current version of DFARS 252.227-7000?
The current version is dated October 1966.
Are changes to DFARS 252.227-7000 proposed?
No proposed rule from the last 3 years is waiting on a final rule.
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