37 CFR 2.191
Business to be transacted in writing.
This document contains one section of Chapter 37 of the Code of Federal Regulations. This page was last updated in November, 2005. You may return to the main 37 CFR Index, or to the index for one of the follow parts:
part 1 (patents);
part 2 (trademarks);
part 3 (assignments);
part 10 (representation); or
part 200+ (copyrights).
All business with the Office should be transacted in writing. The personal appearance of applicants or their representatives at the Office is unnecessary. The action of the Office will be based exclusively on the written record. No attention will be paid to any alleged oral promise, stipulation, or understanding in relation to which there is disagreement or doubt. The Office encourages parties to file documents through TEAS wherever possible.