Patent 11921355
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
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PTAB activity (2)
AIA trial proceedings — IPR, PGR, CBM — filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced directly from the PTAB Trial API.
- IPR2026-00332IPRfiled Apr 3, 2026vs. Apple Inc.Pending
- IPR2026-00331IPRfiled Apr 3, 2026vs. Apple Inc.Pending
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Cases on file (0)
Specific litigation cases in our database that name US patent 11921355. The free-form analysis below may also discuss cases beyond this list.
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Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Litigation History of U.S. Patent No. 11,921,355
As of the current date, U.S. Patent No. 11,921,355 has been asserted in the following litigation:
Case 1:
- Plaintiff(s): IngenioSpec LLC
- Defendant(s): Apple, Inc.
- Jurisdiction: U.S. District Court for the Western District of Texas
- Case Number: 1:25-cv-00867
- Filing Date: July 31, 2025
- Status: Pending. The case targets features provided with Apple's AirPods (Pro) and iPhones. Specifically, the '355 patent, along with U.S. Patent 11,644,693, is asserted in relation to a "head-worn personal device" where speakers near the ear are used with a mobile device that uses a hearing profile to output signals.
Generated 4/30/2026, 8:43:29 PM