37 CFR 42.120: Patent owner response

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

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42.120    Patent owner response.

  • (a) Scope. A patent owner may file a single response to the petition and/or decision on institution. A patent owner response is filed as an opposition and is subject to the page limits provided in § 42.24.
  • (b) Due date for response. If no time for filing a patent owner response to a petition is provided in a Board order, the default date for filing a patent owner response is three months from the date the inter partes review was instituted.
[Added, 77 FR 48680, Aug. 14, 2012, effective Sept. 16, 2012; para. (a) revised, 85 FR 79120, Dec. 9, 2020, effective Jan. 8, 2021]