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.

EireOg Innovations Ltd. v. Cisco Systems Inc., No. 2:24-cv-00224 (E.D. Tex. Apr. 6, 2026)

Denied
Daubert / Expert Challenges Written Description Invalidity (§ 102/§ 103)
Court
U.S. District Court for the Eastern District of Texas, Marshall Division
Case No.
No. 2:24-cv-00224, Dkt. No. 437
Decided
April 6, 2026
Judge
Roy S. Payne, M.J.
Document
Memorandum Order
Docket Entry
MEMORANDUM ORDER re 189 OPPOSED SEALED MOTION to Exclude Certain Opinions of Dr. Emmett Witchel and to Strike Portions of His Expert Reports filed by EireOg Innovations Ltd.. (Motion(s)189 terminated)
Length
7 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 EireOg Innovations LTD ’s (“EireOg”) Motion to Exclude Certain Opinions of Dr. Emmett Witchel and to Strike Portions of His Expert Reports . Dkt. No. 189. In the Motion, Plaintiff argues that Dr. Witchel’s written description and anticipation opinions apply the incorrect legal standard, and that his report offers untimely claim construction opinions. Having considered the Motion, and for the reasons discussed below, the Motion is DENIED. I.

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

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