Title 35 of the U.S. Code § 311 - Inter partes review
Full text of § 311 from Title 35 of the United States Code.
§ 311. Inter partes review
(a)
(b)
(c)
(1) the date that is 9 months after the grant of a patent; or
(2) if a post-grant review is instituted under chapter 32, the date of the termination of such post-grant review.
(Added Pub. L. 106–113, div. B, §1000(a)(9) [title IV, §4604(a)], Nov. 29, 1999, 113 Stat. 1536, 1501A–567; amended Pub. L. 107–273, div. C, title III, §13202(a)(1), (c)(1), Nov. 2, 2002, 116 Stat. 1901, 1902; Pub. L. 112–29, §6(a), Sept. 16, 2011, 125 Stat. 299; Pub. L. 112–274, §1(d)(2), Jan. 14, 2013, 126 Stat. 2456.)
Editorial Notes
Amendments
2013—Subsec. (c)(1). Pub. L. 112–274 struck out "or issuance of a reissue of a patent" after "grant of a patent".
2011—Pub. L. 112–29 amended section generally. Prior to amendment, section related to request for inter partes reexamination.
2002—Pub. L. 107–273, §13202(c)(1), made technical correction to directory language of Pub. L. 106–113, which enacted this section.
Subsec. (a). Pub. L. 107–273, §13202(a)(1)(A), substituted "third-party requester" for "person".
Subsec. (c). Pub. L. 107–273, §13202(a)(1)(B), substituted "The" for "Unless the requesting person is the owner of the patent, the".
Statutory Notes and Related Subsidiaries
Effective Date of 2013 Amendment
Amendment by Pub. L. 112–274 effective Jan. 14, 2013, and applicable to proceedings commenced on or after such date, see section 1(n) of Pub. L. 112–274, set out as a note under section 5 of this title.
Effective Date of 2011 Amendment
Pub. L. 112–29, §6(c)(2), Sept. 16, 2011, 125 Stat. 304, provided that:
"(A)
"(B)
Effective Date
Section effective Nov. 29, 1999, and applicable to any patent issuing from an original application filed in the United States on or after that date, see section 1000(a)(9) [title IV, §4608(a)] of Pub. L. 106–113, set out as an Effective Date of 1999 Amendment note under section 41 of this title.
Regulations
Pub. L. 112–29, §6(c)(1), Sept. 16, 2011, 125 Stat. 304, provided that: "The Director [Under Secretary of Commerce for Intellectual Property and Director of the United States Patent and Trademark Office] shall, not later than the date that is 1 year after the date of the enactment of this Act [Sept. 16, 2011], issue regulations to carry out chapter 31 of title 35, United States Code, as amended by subsection (a) of this section."
Applicability of Filing Deadline
Pub. L. 112–274, §1(d)(1), Jan. 14, 2013, 126 Stat. 2456, provided that: "Section 311(c) of title 35, United States Code, shall not apply to a petition to institute an inter partes review of a patent that is not a patent described in section 3(n)(1) of the Leahy-Smith America Invents Act [Pub. L. 112–29] (35 U.S.C. 100 note)."
Report to Congress
Pub. L. 106–113, div. B, §1000(a)(9) [title IV, subtitle F, §4606], Nov. 29, 1999, 113 Stat. 1536, 1501A–571, required the Under Secretary of Commerce for Intellectual Property and Director of the United States Patent and Trademark Office to submit to Congress a report on possible inequities of certain inter partes reexamination proceedings no later than 5 years after Nov. 29, 1999.
About This Section
35 U.S.C. § 311 is part of Title 35 of the United States Code. The United States Code is the official codification of federal statutes maintained by the Office of the Law Revision Counsel of the U.S. House of Representatives. Congress amends the Code through new public laws, which are eventually incorporated into the relevant title.
This section may be cited in legal writing as 35 U.S.C. § 311. For the most current official text, including any recent amendments, use the official source links below. Do not rely on this page as the sole authority for legal citation or litigation.
How to Read This Statute
Statutes are organized by title, chapter, section, and subsection. Pay attention to words like "shall," "may," "and," and "or," because they determine whether a requirement is mandatory or permissive and whether multiple conditions must all be met. Historical notes and amendments often appear at the end of a section.
Using This Page
This page is intended for research and educational use. Lawyers, students, journalists, and compliance professionals can use it as a starting point, but should always verify the current text through an official government source before relying on it for legal advice, filings, or compliance decisions.