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.

Tosoh Corporation v. Dental Direkt GmbH, No. 2:24-cv-00138 (E.D. Tex. May 19, 2026)

Claims Construed
Claim Construction
Court
U.S. District Court for the Eastern District of Texas, Marshall Division
Case No.
No. 2:24-cv-00138, Dkt. No. 172
Decided
May 19, 2026
Judge
Rodney Gilstrap, J.
Document
Order
Length
22 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.

In th is patent case, Tosoh Corporation alleges infringement by Dental Direkt Gmbh (Direkt) of claims from four patents related to a composition for use in dental applications , like crowns and bridges. See U.S. Patent 9,249,056 at 1:6–8 (noting the invention “relates to a zirconia sintered body having not only high strength but also aesthetic properties quite similar to those of natural teeth”); U.S.

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

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