Patent 11200252

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

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PTAB activity (1)

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.

1 active
  • IPR2026-00072IPRfiled Oct 22, 2025vs. Samsung Electronics Co., Ltd. et al.Trial Instituted

Cached for 24 hours. Status strings are sourced verbatim from the PTAB API; the colored badge is our heuristic classification.

Cases on file (1)

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Specific litigation cases in our database that name US patent 11200252. The free-form analysis below may also discuss cases beyond this list.

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

✓ Generated

Litigation Involving U.S. Patent 11,200,252

As of April 26, 2026, U.S. Patent No. 11,200,252 is known to be involved in the following litigation:

Kannuu Pty Ltd. v. Samsung Electronics Co., Ltd., et al.

  • Plaintiff(s): Kannuu Pty Ltd.
  • Defendant(s): Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc.
  • Jurisdiction: U.S. District Court for the Southern District of New York
  • Case Number: 1:19-cv-04297-ER
  • Filing Date: The original complaint in this case was filed on May 10, 2019. U.S. Patent 11,200,252 was asserted in this ongoing action at a later date.
  • Outcome or Current Status:
    • The district court case is ongoing. The litigation involves several patents asserted by Kannuu against Samsung for alleged infringement by various Samsung Smart TVs and Blu-ray players.
    • In a related proceeding, U.S. Patent 11,200,252 is the subject of an Inter Partes Review (IPR) filed at the U.S. Patent Trial and Appeal Board (PTAB). The case number for this proceeding is IPR2026-00072. An IPR is a proceeding to challenge the validity of a patent's claims. These are often filed by defendants in a district court infringement lawsuit.

No other litigation involving U.S. Patent 11,200,252 has been identified.

Generated 5/13/2026, 12:26:48 AM