35 U.S. Code § 151 - Issue of patent

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If it appears that applicant is entitled to a patent under the law, a written notice of allowance of the application shall be given or mailed to the applicant. The notice shall specify a sum, constituting the issue fee or a portion thereof, which shall be paid within three months thereafter.
Upon payment of this sum the patent shall issue, but if payment is not timely made, the application shall be regarded as abandoned.
Any remaining balance of the issue fee shall be paid within three months from the sending of a notice thereof and, if not paid, the patent shall lapse at the termination of this three-month period. In calculating the amount of a remaining balance, charges for a page or less may be disregarded.
If any payment required by this section is not timely made, but is submitted with the fee for delayed payment and the delay in payment is shown to have been unavoidable, it may be accepted by the Director as though no abandonment or lapse had ever occurred.

Source

(July 19, 1952, ch. 950, 66 Stat. 803; Pub. L. 89–83, § 4,July 24, 1965, 79 Stat. 260; Pub. L. 93–601, § 3,Jan. 2, 1975, 88 Stat. 1956; Pub. L. 106–113, div. B, § 1000(a)(9) [title IV, § 4732(a)(10)(A)], Nov. 29, 1999, 113 Stat. 1536, 1501A–582; Pub. L. 107–273, div. C, title III, § 13206(b)(1)(B),Nov. 2, 2002, 116 Stat. 1906.)
Repeal and Reenactment of Section

Pub. L. 112–211, title II, §§ 202(b)(6), 203,Dec. 18, 2012, 126 Stat. 1536, provided that, effective on the date that is 1 year after Dec. 18, 2012, applicable to patents issued before, on, or after that effective date and patent applications pending on or filed after that effective date, and not effective with respect to patents in litigation commenced before that effective date, this section is repealed and a new section 151 enacted to read as follows: § 151. Issue of patent
(a) In General.—If it appears that an applicant is entitled to a patent under the law, a written notice of allowance of the application shall be given or mailed to the applicant. The notice shall specify a sum, constituting the issue fee and any required publication fee, which shall be paid within 3 months thereafter.
(b) Effect of Payment.—Upon payment of this sum the patent may issue, but if payment is not timely made, the application shall be regarded as abandoned.
Historical and Revision Notes

Based on Title 35, U.S.C., 1946 ed., § 41 (R.S. 4885, amended (1) May 23, 1908, ch. 189, 35 Stat. 246, (2) Aug. 9, 1939, § 2, ch. 619§ 2, ch. 619, 53 Stat. 1293).
Language is changed.
Amendments

2002—Pub. L. 107–273made technical correction to directory language of Pub. L. 106–113. See 1999 Amendment note below.
1999—Pub. L. 106–113, as amended by Pub. L. 107–273, substituted “Director” for “Commissioner” in last par.
1975—Pub. L. 93–601substituted “and the delay in payment is shown to have been unavoidable,” for “within three months after the due date and sufficient cause is shown for the late payment,” in last par.
1965—Pub. L. 89–83substituted provisions requiring a notice of allowance to be sent to the applicant, the notice of allowance to specify a sum, constituting the issue fee or a portion thereof, which shall be paid within 3 months thereafter, the patent to issue upon payment of this sum, the application to be deemed abandoned if the sum is not paid, and any remaining balance of the fee to be paid within 3 months after issuance of the patent shall lapse, and permitting the Commissioner within 3 months after the due date of an unpaid fee on a showing of sufficient cause to accept late payment as though no abandonment or lapse had occurred, for provisions which required a notice of allowance to be sent to the applicant, the final fee to be paid within 6 months after the notice, the patent to be issued within 3 months from the date of the payment, and which permitted delayed payment of the issue fee up to 1 year.
Effective Date of Repeal

Repeal effective on the date that is 1 year after Dec. 18, 2012, applicable to patents issued before, on, or after that effective date and patent applications pending on or filed after that effective date, and not effective with respect to patents in litigation commenced before that effective date, see section 203 ofPub. L. 112–211, set out as an Effective Date note under section 27 of this title.
Effective Date of 1999 Amendment

Amendment by Pub. L. 106–113effective 4 months after Nov. 29, 1999, see section 1000(a)(9) [title IV, § 4731] of Pub. L. 106–113, set out as a note under section 1 of this title.
Effective Date of 1975 Amendment

Amendment by Pub. L. 93–601effective Jan. 2, 1975, with examiners-in-chief in office on such date to continue with existing appointment, see section 4(b) ofPub. L. 93–601, set out as a note under section 3 of this title.
Effective Date of 1965 Amendment

Amendment by Pub. L. 89–83effective three months after July 24, 1965, see section 7(a) ofPub. L. 89–83, set out as a note under section 41 of this title.
Acceptance of Late Payment of Issue Fees by Commissioner

Pub. L. 93–601, § 4(a),Jan. 2, 1975, 88 Stat. 1956, provided that: “The Commissioner of Patents [now Under Secretary of Commerce for Intellectual Property and Director of the United States Patent and Trademark Office] may, in accordance with Section 3 of this Act [amending this section], accept late payment of issue fees, the payment of which was governed by the provisions of Public Law 89–93 [probably should refer to Public Law 89–83, which amended sections 41, 112, and 151 of this title and section 1113 of Title 15, Commerce and Trade]; Provided: the term of the patent for which late payment of such an issue fee is accepted shall expire earlier than the time specified in Section 154 of Title 35, United States Code by a period equal to the delay between the time the application became abandoned or the patent lapsed for failure to pay the issue fee and the time the late payment is accepted after enactment of this Act [Jan. 2, 1975]; Further Provided: no patent with respect to which the issue fee was governed by the provisions of PL 89–83 and for which a late payment of the issue fee is accepted under the authority created by Section 3 of this Act, shall abridge or affect the right of any person or his successors in business who made, purchased or used anything covered by the patent, after the date of the application became abandoned or patent lapsed for failure to pay the issue fee but prior to the grant or restoration of the patent, to continue the use of or to sell to others to be used or sold, the specific thing so made, purchased, or used. A court before which such matter is in question may provide for the continued manufacture, use or sale of the thing made, purchased or used as specified, or for the manufacture, use or sale of which substantial preparation was made after the date the application became abandoned or patent lapsed for failure to pay the fee but prior to the grant or restoration of the patent, and it may also provide for the continued practice of any process covered by the patent, practiced, or for the practice of which substantial preparation was made, after the date the application became abandoned or patent lapsed for failure to pay the issue fee but prior to the grant or restoration of the patent, to the extent and under such terms as the court deems equitable for the protection of investments made or business commenced before the grant or restoration of the patent.”

 

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