GENERAL INFORMATION AND CORRESPONDENCE

• § 1.1 - Addresses for non-trademark correspondence with the United States Patent and Trademark Office.

• § 1.2 - Business to be transacted in writing.

• § 1.3 - Business to be conducted with decorum and courtesy.

• § 1.4 - Nature of correspondence and signature requirements.

• § 1.5 - Identification of patent, patent application, or patent-related proceeding.

• § 1.6 - Receipt of correspondence.

• § 1.7 - Times for taking action; Expiration on Saturday, Sunday or Federal holiday.

• § 1.8 - Certificate of mailing or transmission.

• § 1.9 - Definitions.

• § 1.10 - Filing of correspondence by Priority Mail Express®.

RECORDS AND FILES OF THE PATENT AND TRADEMARK OFFICE

• § 1.11 - Files open to the public.

• § 1.12 - Assignment records open to public inspection.

• § 1.13 - Copies and certified copies.

• § 1.14 - Patent applications preserved in confidence.

• § 1.15 - [Reserved]

FEES AND PAYMENT OF MONEY

• § 1.16 - National application filing, search, and examination fees.

• § 1.17 - Patent application and reexamination processing fees.

• § 1.18 - Patent post allowance (including issue) fees.

• § 1.19 - Document supply fees.

• § 1.20 - Post-issuance fees.

• § 1.21 - Miscellaneous fees and charges.

• § 1.22 - Fees payable in advance.

• § 1.23 - Methods of payment.

• § 1.24 - [Reserved]

• § 1.25 - Deposit accounts.

• § 1.26 - Refunds.

• § 1.27 - Definition of small entities and establishing status as a small entity to permit payment of small entity fees; when a determination of entitlement to small entity status and notification of loss of entitlement to small entity status are required; fraud on the Office.

• § 1.28 - Refunds when small entity status is later established; how errors in small entity status are excused.

• § 1.29 - Micro entity status.