Subpart A — General Provisions
- §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®.
- §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
- §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.