What creates a formal court-response deadline?
Rule 12(a) generally ties the answer period to service of a summons and complaint, with different periods for a timely service waiver and other specified circumstances. Check actual service papers and court orders. A private letter's requested response date is not itself that Rule 12 clock.
Does silence establish willfulness?
Silence alone should not be treated as a finding of willful infringement. Eko Brands, LLC v. Adrian Rivera Maynez Enterprises, Inc. identifies deliberate or intentional infringement as the willfulness inquiry. Halo Electronics, Inc. v. Pulse Electronics, Inc. separately addresses the court's discretionary decision to enhance damages for egregious misconduct. Review the notice and subsequent conduct without collapsing these questions.
What might a useful response say?
A focused acknowledgment can request the asserted claims, product identification, and supporting comparison without taking an uninvestigated position. Decide with counsel whether that serves a useful purpose. Do not assume an acknowledgment creates an extension unless the relevant deadline is actually changed.
What should happen even if I wait to reply?
Preserve the notice and relevant records, identify the technical questions, and check for a complaint, platform action, or operative order. A deliberate investigation is different from simply forgetting the matter.