Litigation
Headwater Research LLC v. Verizon et al.
active2:23-cv-...
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Patents at issue (1)
Plaintiffs (1)
Defendants (2)
Summary
Headwater Research LLC sued Verizon/Cellco Partnership in the Eastern District of Texas, Marshall Division, concerning Raleigh-related patents. The court issued a 2026 ruling finding Verizon entitled to equitable relief under implied waiver based on Headwater's delay from its 2017 infringement investigation to its July 2023 suit, while rejecting Verizon's equitable-estoppel theory. The narrative does not list specific asserted patents; U.S. 8,745,191 was not listed among the asserted patents.
Case overview & background
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