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37 CFR 1.437: The drawings

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

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Part 1: Rules of Practice in Patent Cases
Subpart C - International Processing Provisions
The International Application

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1.437    The drawings.

  • (a) Drawings are required when they are necessary for the understanding of the invention (PCT Art. 7 ).
  • (b) The physical requirements for drawings are set forth in PCT Rule 11 and shall be adhered to.
[Revised, 72 FR 51559, Sept. 10, 2007, effective Sept. 10, 2007]