Manual of Patent Examining Procedure - MPEP

Table of Contents


2500 Maintenance Fees

2500 Maintenance Fees
-    2501 Introduction
-    2504 Patents Subject to Maintenance Fees
-    2506 Times for Submitting Maintenance Fee Payments
-    2510 Submission of Maintenance Fee Payments and Documents
-    2515 Information Required for Submission of Maintenance Fee Payment
-    2520 Maintenance Fee Amounts
-    2522 Methods of Payment
-    2530 Special Acceptance of Maintenance Fee Payments Containing Informalities
-    2531 Payment Late or Insufficient
-    2532 Duplicate Payments
-    2540 Fee Address for Maintenance Fee Purposes
-    2542 Change of Correspondence Address
-    2550 Small Entity Status
-    2560 Revocation of Power of Attorney and Withdrawal of Attorney
-    2570 Maintenance Fee Payment Status Requests
-    2575 Notices
-    2580 Review of Decision Refusing to Accept and Record Payment of a Maintenance Fee Filed Prior to Expiration of Patent
-    2590 Acceptance of Delayed Payment of Maintenance Fee in Expired Patent to Reinstate Patent
-    2591 Intervening Rights in Reinstated Patents
-    2595 Forms

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