37 CFR 1.2 — Business to be transacted in writing
Ninth Edition, Revision 01.2024
All business with the Patent and Trademark Office should be transacted in writing. The personal attendance of applicants or their attorneys or agents at the Patent and Trademark Office is unnecessary. The action of the Patent and Trademark Office will be based exclusively on the written record in the Office. No attention will be paid to any alleged oral promise, stipulation, or understanding in relation to which there is disagreement or doubt.
Cited by
- 1134 Third Party Inquiries and Correspondence in a Published Application
- 2002.02 Must be in Writing
- 2173.02 Determining Whether Claim Language is Definite
- 2258.01 Use of Previously Cited/Considered Art in Rejections
- 2809 Items of Information
- 403.01(b) Correspondence in Applications Filed Before September 16, 2012
- 509 Payment of Fees
- 601.03(a) Change of Correspondence Address in Applications Filed On or After September 16, 2012
- 601.03(b) Change of Correspondence Address in Applications Filed Before September 16, 2012
- 37 CFR 1.605 Items of information