Patent Case Watch

Patent opinions from the Eastern District of Texas and the U.S. Court of Appeals for the Federal Circuit

E.D. Tex.

Headwater Research LLC v. T-Mobile US, Inc. et al, No. 2:23-cv-00379 (E.D. Tex. June 23, 2025)

Granted in Part
Motion to Strike Daubert / Expert Challenges Damages
Court
U.S. District Court for the Eastern District of Texas, Marshall Division
Case No.
No. 2:23-cv-00379, Dkt. No. 302
Decided
June 23, 2025
Judge
Roy S. Payne, M.J.
Document
Memorandum Order
Docket Entry
ORDER granting in part and denying in part 175 Sealed Motion
Length
1 page

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 Strike Certain Opinions of Defendant T -Mobile’s Damages Expert Laura B. Stamm, filed by Plaintiff Headwater Research LLC. Dkt. No. 172. A substantively identical motion was filed in a parallel litigation: Headwater Research LLC v. Verizon Communications Inc., et al , 2:23-cv-00352-JRG-RSP. See Dkt. No. 175 in 2:23- cv- 00352. For the reasons discussed in the Court’s ruling on the parallel motion (Dkt. No.

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Source: govinfo.gov USCOURTS collection · retrieved July 23, 2026 · Report an error

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