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35 U.S.C. 2(b)(2), unless otherwise noted.
24 FR 10332, Dec. 22, 1959, unless otherwise noted.
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1. In Patent and Trademark Office publications and usage the part number is omitted from the numbers of §§ 1.1 to 1.352 and the numbers to the right of the decimal point correspond with the respective rule numbers.
2. For nomenclature changes to part 1, see 68 FR 14335, Mar. 25, 2003; 87 FR 68904, Nov. 17, 2022.
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.
Part 2 is placed in the separate grouping of parts pertaining to trademarks regulations.
Part 6 is placed in the separate grouping of parts pertaining to trademarks regulations.
Part 7 is placed in the separate grouping of parts pertaining to trademarks regulations.
Part 1 is placed in the separate grouping of parts pertaining to patents regulations.
Part 3 pertaining to both patents and trademarks is placed in the grouping pertaining to patents regulations.
Part 4 is placed in the separate grouping of parts pertaining to patents regulations.
Part 5 is placed in the separate grouping of parts pertaining to patents regulations.