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Title 35 — Patents

Part III · Chapter 29 — Remedies for Infringement of Patent, and Other Actions

§ 288. Action for infringement of a patent containing an invalid claim

Statutory text

Whenever a claim of a patent is invalid, an action may be maintained for the infringement of a claim of the patent which may be valid. The patentee shall recover no costs unless a disclaimer of the invalid claim has been entered at the Patent and Trademark Office before the commencement of the suit.

Legislative history

Reconstructed from this section’s Code source credit and amendment notes, resolved against the local Statutes at Large. Editorial notes are evidence, not the law that made the change.

  1. July 19, 1952, ch. 950, 66 Stat. 813 · 66 Stat. 813

    Enacted · 35 U.S.C. § 288

    July 19, 1952, ch. 950, 66 Stat. 813

    Source evidence

    Code source credit
    July 19, 1952, ch. 950, 66 Stat. 813

  2. Pub. L. 93–596 § 1 · 88 Stat. 1949

    Substituted · 35 U.S.C. § 288

    Pub. L. 93–596 substituted “Patent and Trademark Office” for “Patent Office”

    Source evidence

    Code amendment note
    Pub. L. 93–596 substituted “Patent and Trademark Office” for “Patent Office”.

    Enacted provision · exact public law section
    Section 1. The Trademark Act of 1946, 60 Stat. 427, as amended (15 U.S.C. sec. 1051 et seq. (1970)), and title 35 of the United States Code, entitled “Patents”, are amended by striking out each time they 35 USC 1 et seq. appear “Patent Office” and “Commissioner of Patents” and inserting in lieu thereof “Patent and Trademark Office” and “Commissioner of Patents and Trademarks”, respectively.

  3. Pub. L. 112–29 § 20(h) · 125 Stat. 334

    Struck · 35 U.S.C. § 288

    Pub. L. 112–29 struck out “, without deceptive intention,” after “Whenever”

    Source evidence

    Code amendment note
    Pub. L. 112–29 struck out “, without deceptive intention,” after “Whenever”.

    Enacted provision · exact public law section
    (h) Action for Infringement.— Section 288 of title 35, United States Code, is amended by striking “, without deceptive intention,”.

    Effective date note
    Amendment by Pub. L. 112–29 effective upon the expiration of the 1-year period beginning on Sept. 16, 2011, and applicable to proceedings commenced on or after that effective date, see section 20(l) of Pub. L. 112–29, set out as a note under section 2 of this title.

2 of 3 references resolved to an enrolled provision · 1 partial

Notes

Historical and Revision Notes

Based on Title 35, U.S.C., 1946 ed., § 71 (R.S. 4922).

The necessity for a disclaimer to recover on valid claims is eliminated. See section 253.

Language is changed.

Editorial Notes

Amendments1975–2011 · 2 rounds

2011

Pub. L. 112–29 struck out “, without deceptive intention,” after “Whenever”.

1975

Pub. L. 93–596 substituted “Patent and Trademark Office” for “Patent Office”.

Statutory Notes and Related Subsidiaries

Effective Date of 2011 Amendment

Amendment by Pub. L. 112–29 effective upon the expiration of the 1-year period beginning on , and applicable to proceedings commenced on or after that effective date, see section 20(l) of Pub. L. 112–29, set out as a note under section 2 of this title.

Effective Date of 1975 Amendment

Amendment by Pub. L. 93–596 effective , see section 4 of Pub. L. 93–596, set out as a note under section 1111 of Title 15, Commerce and Trade.

Credits

1952–2011 · 3 acts
  1. 1952July 19, 1952, ch. 950, 66 Stat. 813
  2. 1975Pub. L. 93–596, § 1, , 88 Stat. 1949
  3. 2011Pub. L. 112–29, § 20(h), , 125 Stat. 334.
Show as published

(July 19, 1952, ch. 950, 66 Stat. 813; Pub. L. 93–596, § 1, , 88 Stat. 1949; Pub. L. 112–29, § 20(h), , 125 Stat. 334.)

Parsed from the official OLRC USLM XML in data/usc_all/usc35.xml · release point 119-108 · OLRC build 2026-09-09

USLM identifier /us/usc/t35/s288