Patent 10852846

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
  • IPR2025-01023IPRfiled May 20, 2025vs. Samsung Electronics Co., Ltd. et al.Trial Instituted

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Cases on file (3)

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Specific litigation cases in our database that name US patent 10852846. 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.

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Litigation History for U.S. Patent No. 10,852,846

As of May 14, 2026, U.S. Patent No. 10,852,846, assigned to CM HK Ltd., is involved in multiple litigation proceedings in U.S. District Courts and an Inter Partes Review (IPR) before the Patent Trial and Appeal Board (PTAB).

District Court Litigation

1. CM HK Limited v. [[Samsung Electronics Co.](/litigations/by-defendant/Samsung%20Electronics%20Co.), Ltd.](/litigations/by-plaintiff/Samsung%20Electronics%20Co.%2C%20Ltd.), et al.

  • Plaintiff: CM HK Limited
  • Defendants: Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc.
  • Jurisdiction: U.S. District Court for the Eastern District of Texas
  • Case Number: 2:24-cv-00880
  • Filing Date: October 31, 2024
  • Status: This case was stayed as of August 20, 2025, pending the outcome of the related litigation in the Northern District of California.

2. Samsung Electronics Co., Ltd., et al. v. CM HK, Ltd., et al.

  • Plaintiff(s) (for Declaratory Judgment): Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc.
  • Defendant(s): CM HK, Ltd. and CyWee Group, Ltd.
  • Jurisdiction: U.S. District Court for the Northern District of California (Note: The provided source text incorrectly states Eastern District of California for this case number.)
  • Case Number: 4:24-cv-06567
  • Filing Date: September 18, 2024
  • Status: Active. In this action, Samsung is seeking a declaratory judgment of non-infringement of the '846 patent, among others. A motion to dismiss by CM HK Ltd. for lack of personal jurisdiction was granted on May 15, 2025, but the court allowed Samsung to conduct jurisdictional discovery.

3. Samsung Electronics Co., Ltd., et al. v. CM HK, Ltd., et al.

  • Plaintiff(s) (for Declaratory Judgment): Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc.
  • Defendant(s): CM HK, Ltd. and CyWee Group, Ltd.
  • Jurisdiction: U.S. District Court for the Eastern District of California
  • Case Number: 3:24-cv-06567
  • Filing Date: September 18, 2024
  • Status: Active. This case was filed on the same day as the Northern District of California case and appears to be a related matter.

Patent Trial and Appeal Board (PTAB) Proceedings

1. Inter Partes Review (IPR) of U.S. Patent No. 10,852,846

  • Petitioner: Samsung Electronics Co., Ltd.
  • Patent Owner: CM HK Limited
  • Jurisdiction: USPTO Patent Trial and Appeal Board
  • Case Number: IPR2025-01023
  • Status: Pending - Instituted. The PTAB has determined that there is a reasonable likelihood that the petitioner would prevail with respect to at least one of the claims challenged and has initiated a trial. The related district court case in Texas has been stayed pending the outcome of these proceedings.

Generated 5/14/2026, 6:45:44 PM