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. Samsung Electronics America, Inc. et al, No. 2:23-cv-00103 (E.D. Tex. Apr. 9, 2025)

Granted in Part
Court
U.S. District Court for the Eastern District of Texas, Marshall Division
Case No.
No. 2:23-cv-00103, Dkt. No. 377
Decided
April 9, 2025
Judge
Roy S. Payne, M.J.
Document
Memorandum Order
Docket Entry
MEMORANDUM ORDER. The Court grants only in part 182 Plaintiff Headwater Research LLC's Motion to Strike Certain Opinions of Samsung's Damages Expert Dr. M. Ray Perryman, Ph.D
Length
5 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 Plaintiff Headwater Research LLC’s Motion to Strike Certain Opinions of Samsung’s Damages Expert Dr. M. Ray Perryman, P h.D. Dkt. No. 182. For the reasons, discussed below, the Court GRANTS the Motion only in part. I. LAW An expert witness may provide opinion testimony if “(a) the expert’s scientific, technical, or other specialized knowledge will help the trier of fact to understand the evidence or to determine a fact in issue; (b) the testimony is based on sufficient facts or data; (c) the tes…