Revision of Standard for Granting an Inter Partes Reexamination Request
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The United States Patent and Trademark Office (Office) is revising the rules of practice governing inter partes reexamination to implement a transition provision of the Leahy-Smith America Invents Act that changes the standard for granting a request for inter partes reexamination. The Office is also revising the rules governing inter partes reexamination to reflect the termination of inter partes reexamination effective September 16, 2012, which is provided for in the Act. The Leahy-Smith America Invents Act replaces inter partes reexamination by a new inter partes review process effective one year after the date of enactment of the Leahy-Smith America Invents Act (i.e., September 16, 2012), and provides that any request for inter partes reexamination filed on or after September 16, 2011, will not be granted unless the information presented in the request establishes that there is a reasonable likelihood that the requester will prevail with respect to at least one of the claims challenged in the request. This replaces the prior standard for granting a request for inter partes reexamination that required a substantial new question of patentability (SNQ) affecting any claim of the patent raised by the request. The Leahy-Smith America Invents Act does not revise the SNQ standard for granting an ex parte reexamination request.
- Current entry point
- www.federalregister.gov/documents/2011/09/23/2011-24464/revision-of-standard-for-granting-an-inter-partes-reexamination-request (permanent link in the Federal Register, verified 2026-09-30)
- Legacy system and where it moved
- No legacy system name mention in title or summary )
- Fee
- No fee mention in title or summary )
- What you need (account or API key)
- No account or key mention in title or summary )
- Published
- 2011-09-23
- Document type
- Rule
原データ更新日：2026-10-06
保存版に記録された日付です。今回の実装・デプロイ日ではありません。