Chapter 2500

Question 1

2501

Answer 1

Introduction

Question 2

2504

Answer 2

Patents Subject to Maintenance Fees

Question 3

2506

Answer 3

Times for Submitting Maintenance Fee Payments

Question 4

2510

Answer 4

Submission of Maintenance Fee Payments and Documents

Question 5

2515

Answer 5

Information Required for Submission of Maintenance Fee Payment

Question 6

2520

Answer 6

Maintenance Fee Amounts

Question 7

2522

Answer 7

Methods of Payment

Question 8

2530

Answer 8

Special Acceptance of Maintenance Fee Payments Containing Informalities

Question 9

2531

Answer 9

Payment Late or Insufficient

Question 10

2532

Answer 10

Duplicate Payments

Question 11

2540

Answer 11

Fee Address for Maintenance Fee Purposes

Question 12

2542

Answer 12

Change of Correspondence Address

Question 13

2550

Answer 13

Entity Status Discounts

Question 14

2560

Answer 14

Revocation of Power of Attorney and Withdrawal of Attorney

Question 15

2570

Answer 15

Maintenance Fee Payment Status Requests

Question 16

2575

Answer 16

Notices

Question 17

2580

Answer 17

Review of Decision Refusing to Accept and Record Payment of a Maintenance Fee Filed Prior to Expiration of Patent

Question 18

2590

Answer 18

Acceptance of Delayed Payment of Maintenance Fee in Expired Patent to Reinstate Patent

Question 19

2591

Answer 19

Intervening Rights in Reinstated Patents

Question 20

2595

Answer 20

Forms