# Mailing Address Changes Related to USPTO Deposit Accounts and Patent Maintenance Fees
> **US Patent and Trademark Office** · Final rule. · Published 2021-07-02 · Effective 2021-07-02 · 86 FR 35229
## Document
- **Document number:** 2021-14035
- **Category:** uspto-patent
- **Sub-agency:** US Patent and Trademark Office
- **Federal Register citation:** 86 FR 35229
- **CFR reference:** 37 CFR 1
- **Publication date:** 2021-07-02
- **Effective date:** 2021-07-02
- **Commerce docket:** Docket No. PTO-P-2020-0063
## Abstract

The United States Patent and Trademark Office (USPTO or Office) is revising the Rules of Practice to update the addresses for payments of patent maintenance fees that are not submitted electronically, correspondence related to maintenance fees, and the replenishment of a USPTO deposit account by mail. From December 15, 2020, through December 14, 2021, maintenance fee payments, maintenance fee-related correspondence, and USPTO deposit account replenishments sent to the old addresses will be forwarded to the new addresses.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/07/02/2021-14035/mailing-address-changes-related-to-uspto-deposit-accounts-and-patent-maintenance-fees)
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