U.S. Silica Company v. Amberger Kaolinwerke Eduard Kick GmbH & Co. KG, No. 2:20-cv-00298 (E.D. Tex. Mar. 29, 2023)

From the Opinion

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Before the Court is U.S. Silica Company’s (“U.S. Silica ”) Motion for Permanent Injunction, or Alternatively, For an Ongoing Royalty on Future Sales (the “Motion”). (Dkt. No. 282). Having considered the Motion, the related briefing, and the applicable law, the Court is of the opinion that the Motion should be GRANTED-AS-MODIFIED. I. BACKGROUND 1. The Claimed Invention and U.S. Silica’s Business In 2017, U.S. Silica purchased National Coatings Corporation ’s (“National Coatings”) intellectual property. (Dkt. No. 260 at 178:2–6).