Patent Term Adjustment (PTA)

• Failure to engage as defined by regulation:

• Failure to reply to any Office action or notice within three months

  • Regardless of period for reply set in the action or notice

• Suspension of action or deferral of issuance of a patent at the applicant’s request

• Abandonment of the application (or failure to file a timely petition to withdraw an improper holding of abandonment)

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