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. AT&T Inc. et al, No. 2:23-cv-00397 (E.D. Tex. July 10, 2025)

Granted in Part
Discovery Daubert / Expert Challenges
Court
U.S. District Court for the Eastern District of Texas, Marshall Division
Case No.
No. 2:23-cv-00397, Dkt. No. 243
Decided
July 10, 2025
Judge
Roy S. Payne, M.J.
Document
Memorandum Order
Length
2 pages

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 for Leave to Supplement Expert Reports Based on Newly Produced Discovery, filed by Plaintiff Headwater Research LLC. Dkt. No. 143. I. BACKGROUND 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. 195 in 2:23- cv- 00352.

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

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