MPEP 2500
Maintenance Fees
This is the Ninth Edition of the MPEP, Revision 07.2022, Last Revised in February 2023
Chapter 2500: Maintenance Fees
2501: Introduction
2502: Reserved
2504: Patents Subject to Maintenance Fees
2505: Reserved
2506: Times for Submitting Maintenance Fee Payments
2507: Reserved
2510: Submission of Maintenance Fee Payments and Documents
2511: Reserved
2515: Information Required for Submission of Maintenance Fee Payment
2516: Reserved
2520: Maintenance Fee Amounts
2521: Reserved
2522: Methods of Payment
2523: Reserved
2530: Special Acceptance of Maintenance Fee Payments Containing Informalities
2531: Payment Late or Insufficient
2532: Duplicate Payments
2533: Reserved
2540: Fee Address for Maintenance Fee Purposes
2541: Reserved
2542: Change of Correspondence Address
2543: Reserved
2550: Entity Status Discounts
2551: Reserved
2560: Revocation of Power of Attorney and Withdrawal of Attorney
2561: Reserved
2570: Maintenance Fee Payment Status Requests
2571: Reserved
2575: Notices
2576: Reserved
2580: Review of Decision Refusing to Accept and Record Payment of a Maintenance Fee Filed Prior to Expiration of Patent
2581: Reserved
2590: Acceptance of Delayed Payment of Maintenance Fee in Expired Patent to Reinstate Patent
2591: Intervening Rights in Reinstated Patents
2592: Reserved
2595: Forms