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37 CFR 11.4: Computing time

Taken from the Ninth Edition of the MPEP, Revision 07.2022, Published February 2023

CFR Part Index | Key Word Index
Part 11: Representation of Others Before the United States Patent and Trademark Office
Subpart B - Recognition To Practice Before The USPTO
Patents, Trademarks, And Other Non-Patent Law

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11.4    Computing time.

    Computing time. The following rules apply in computing any time period specified in this part where the period is stated in days or a longer unit of time:

  • (a) Exclude the day of the event that triggers the period;
  • (b) Count every day, including intermediate Saturdays, Sundays, and legal holidays; and
  • (c) Include the last day of the period, but if the last day is a Saturday, Sunday, or legal holiday, the period continues to run until the end of the next day that is not a Saturday, Sunday, or legal holiday.
[Reserved, 69 FR 35427, June 24, 2004, effective July 26, 2004; transferred from subpart B to subpart A and revised, 86 FR 28442, May 26, 2021, effective June 25, 2021]