7 known cases. View patent page →
Headwater sued Google asserting a seven-patent set including the '464 patent, targeting Google mobile devices, eSIM-enabled devices, and Google Fi MVNO services. The case was pending with active motion practice.
Headwater sued Charter Communications in the August 2025 wave asserting a seven-patent set including the '464 patent, as identified in PTAB petition disclosures. The case was pending.
Headwater sued DISH entities asserting a seven-patent set including the '464 patent; EchoStar's Form 10-Q stated it intended to vigorously defend and disclosed potential damages exposure.
Headwater sued Comcast Cable Communications d/b/a Xfinity asserting the same seven-patent set including the '464 patent as in related cases, per PTAB petition disclosures. The case was pending.
Headwater sued Samsung for infringement of '055 and related patents. The parties filed a joint motion to dismiss; in September 2025 the court dismissed Headwater's infringement claims with prejudice and Samsung's counterclaims/defenses without prejudice, each side bearing its own fees and costs.
This W.D. Tex. action is identified on the patent's Google Patents litigation feed as involving '055. Defendant names could not be confirmed from the sources gathered.
Samsung petitioned for inter partes review of '055, challenging claims 1-2, 6-7, 9-10, and 12. The PTAB denied institution under 35 U.S.C. § 314(a); Samsung withdrew its request for director review/rehearing and the proceeding terminated.