[Code of Federal Regulations] [Title 37, Volume 1] [Revised as of July 1, 1999] From the U.S. Government Printing Office via GPO Access [CITE: 37CFR1.20] [Page 24-25] TITLE 37--PATENTS, TRADEMARKS, AND COPYRIGHTS CHAPTER I--PATENT AND TRADEMARK OFFICE, DEPARTMENT OF COMMERCE PART 1--RULES OF PRACTICE IN PATENT CASES--Table of Contents Subpart A--General Provisions Sec. 1.20 Post issuance fees. (a) For providing a certificate of correction for applicant's mistake: (Sec. 1.323)--$100.00 [[Page 25]] (b) Petition for correction of inventorship in patent (Sec. 1.324)-- $130.00 (c) For filing a request for reexamination (Sec. 1.510(a))-- $2,520.00 (d) For filing each statutory disclaimer (Sec. 1.321): By a small entity (Sec. 1.9(f))--$55.00 By other than a small entity--$110.00 (e) For maintaining an original or reissue patent, except a design or plant patent, based on an application filed on or after December 12, 1980, in force beyond four years; the fee is due by three years and six months after the original grant: By a small entity (Sec. 1.9(f))--$470.00 By other than a small entity--$940.00 (f) For maintaining an original or reissue patent, except a design or plant patent, based on an application filed on or after December 12, 1980, in force beyond eight years; the fee is due by seven years and six months after the original grant: By a small entity (Sec. 1.9(f))--$950.00 By other than a small entity--$1,900.00 (g) For maintaining an original or reissue patent, except a design or plant patent, based on an application filed on or after December 12, 1980, in force beyond twelve years; the fee is due by eleven years and six months after the original grant: By a small entity (Sec. 1.9(f))--$1,455.00 By other than a small entity--$2,910.00 (h) Surcharge for paying a maintenance fee during the six-month grace period following the expiration of three years and six months, seven years and six months, and eleven years and six months after the date of the original grant of a patent based on an application filed on or after December 12, 1980: By a small entity (Sec. 1.9(f))--$65.00 By other than a small entity--$130.00 (i) Surcharge for accepting a maintenance fee after expiration of a patent for non-timely payment of a maintenance fee where the delay in payment is shown to the satisfaction of the Commissioner to have been-- (1) Unavoidable--$700.00 (2) Unintentional--$1,640.00 (j) For filing an application for extension of the term of a patent (Sec. 1.740)--$1,060.00 (1) Application for extension under Sec. 1.740--$1,120.00 (2) Initial application for interim extension under Sec. 1.790-- $420.00 (3) Subsequent application for interim extension under Sec. 1.790-- $220.00 [56 FR 65153, Dec. 13, 1991, as amended at 57 FR 38195, Aug. 21, 1992; 57 FR 56450, Nov. 30, 1992; 58 FR 44280, Aug. 20, 1993; 60 FR 41022, Aug. 11, 1995; 61 FR 39588, July 30, 1996; 62 FR 40453, July 29, 1997; 63 FR 67580, Dec. 8, 1998]