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

E.D. Tex.

Sycamore IP Holdings LLC v. Teleport Communications America, LLC et al, No. 2:16-cv-00588 (E.D. Tex. Oct. 10, 2017)

Granted
Motion to Strike Doctrine of Equivalents Contentions
Court
U.S. District Court for the Eastern District of Texas, Marshall Division
Case No.
No. 2:16-cv-00588, Dkt. No. 209
Decided
October 10, 2017
Judge
William C. Bryson, Circuit Judge (sitting by designation)
Document
Memorandum Opinion and Order
Docket Entry
MEMORANDUM OPINION AND ORDER re 157 SEALED MOTION to Strike Plaintiff's Doctrine of Equivalents Theories From Dr. Nettles' Expert Report filed by AT&T Corp, AT&T Services, Inc., Teleport Communications America, LLC, 168 MOTION to Strike Pla…
Length
13 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 AT&T’s motion to strike Sycamore’s doctrine of equivalents theories from the expert report of Sycamore’s liability expert, Dr. Nettles, and to preclude Sycamore from presenting those theories at trial. Dkt. Nos. 157, 168. The motion is GRANTED. BACKGROUND Sycamore filed the present action on June 6, 2016, alleging infringement of U.S. Patent No. 6,952, 405 (“the ’405 Patent”).

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

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