Patent 9615204

Litigation summary

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

Active provider: Google · gemini-2.5-flash

No PTAB proceedings on file. This patent has not been challenged through Inter Partes Review, Post-Grant Review, or Covered Business Method review at the USPTO. The absence is itself a signal — well-asserted patents eventually attract IPRs.

Cases on file (5)

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Specific litigation cases in our database that name US patent 9615204. 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

Known litigation involving US patent 9615204 is detailed below. The plaintiff in all identified cases is Piney Woods Mobility LLC, the current assignee of the patent. The cases generally allege infringement related to location-sharing services and applications.

1. Piney Woods Mobility LLC v. T-Mobile USA, Inc.

  • Plaintiff(s): Piney Woods Mobility LLC
  • Defendant(s): T-Mobile USA, Inc.
  • Jurisdiction: U.S. District Court for the Eastern District of Texas
  • Case Number: 2:26-cv-00123
  • Filing Date: February 13, 2026
  • Outcome or Current Status: Active litigation. The complaint alleges that T-Mobile's Family Mode ecosystem and associated devices infringe patent US9615204 and five other related patents concerning two-way position information sharing technology.

2. Piney Woods Mobility LLC v. AT&T Inc. et al.

  • Plaintiff(s): Piney Woods Mobility LLC
  • Defendant(s): AT&T Inc., AT&T Services, Inc.
  • Jurisdiction: U.S. District Court for the Eastern District of Texas
  • Case Number: 2:26-cv-00121
  • Filing Date: February 13, 2026
  • Outcome or Current Status: Active litigation. The lawsuit alleges infringement related to location-sharing programs and services such as AT&T Secure Family.

3. Piney Woods Mobility LLC v. [Verizon Communications, Inc.](/litigations/by-defendant/Verizon%20Communications%2C%20Inc.) et al.

  • Plaintiff(s): Piney Woods Mobility LLC
  • Defendant(s): [Verizon Communications, Inc.](/litigations/by-defendant/Verizon%20Communications%2C%20Inc.)
  • Jurisdiction: U.S. District Court for the Eastern District of Texas
  • Case Number: 2:26-cv-00124
  • Filing Date: February 13, 2026
  • Outcome or Current Status: Active litigation. The lawsuit alleges infringement related to location-sharing programs and services such as Verizon Family.

4. Piney Woods Mobility LLC v. [Apple Inc.](/litigations/by-plaintiff/Apple%20Inc.)

  • Plaintiff(s): Piney Woods Mobility LLC
  • Defendant(s): [Apple Inc.](/litigations/by-plaintiff/Apple%20Inc.)
  • Jurisdiction: U.S. District Court for the Western District of Texas
  • Case Number: 7:26-cv-00068
  • Filing Date: February 26, 2026
  • Outcome or Current Status: Active litigation. This docket was last retrieved on February 27, 2026, and a more recent listing may be available from PACER.

5. Piney Woods Mobility LLC v. Samsung Electronics

  • Plaintiff(s): Piney Woods Mobility LLC
  • Defendant(s): Samsung Electronics
  • Jurisdiction: U.S. District Court for the Eastern District of Texas
  • Case Number: (Not explicitly provided in search results, but part of the group of cases filed on Feb 16, 2026)
  • Filing Date: February 16, 2026 (Implied by context of group filing)
  • Outcome or Current Status: Active litigation. The lawsuit alleges infringement related to location-sharing programs and services such as SmartThings.

The previously identified cases 2:26-cv-00122 and 2:26-cv-00123 (from Google Patents) are confirmed in the search results with T-Mobile (2:26-cv-00123) and likely others. The searches confirmed filings against AT&T (2:26-cv-00121) and Verizon (2:26-cv-00124) on February 13, 2026, and Apple (7:26-cv-00068) on February 26, 2026. Samsung is also a defendant, likely in one of the other Eastern District of Texas cases.

Generated 6/3/2026, 6:45:59 PM