MPEP 2500
Maintenance Fees

This is the Ninth Edition of the MPEP, Revision 10.2019, Last Revised in June 2020

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