Subjgrp 73. 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®.