Headwater Research LLC v. Verizon Communications Inc. et al, No. 2:23-cv-00352 (E.D. Tex. June 15, 2025)

From the Opinion

The passage below is extracted verbatim from the opening of the document. It has not been editorially summarized — consult the full opinion for the court's complete reasoning.

Before the Court is the Motion to Exclude Expert Opinions of Defendants’ Survey Expert Sarah Butler, filed by Plaintiff Headwater Research LLC. Dkt. No. 172. For the reasons discussed below, the Motion is DENIED. I. BACKGROUND On July 28, 2023 Plaintiff Headwater Research LLC filed suit against Defendants, asserting that they infringe four of its patents: U.S. Patent Nos. 8,589,541; 8,924,543; 9,198,042; and 9,215,613. Dkt. No.1 at 1. On January 29, 2025, the Parties agreed to dismiss the ’543 Patent. Dkt. No. 144. II.