SandBox Logistics LLC v. Proppant Express Investments, No. 19-1684 (Fed. Cir. May 18, 2020)

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.

Appellants SandBox Logistics LLC and Oren Technol- ogies, LLC (together, “SandBox”) sued Appellees Proppant Express Investments LLC and Proppant Express Solutions LLC (together, “PropX”) in the U.S. District Court for the Southern District of Texas (“District Court”) alleging in- fringement of claims 2 and 13 of U.S. Patent No. 9,296,518 (“the ’518 patent”), claims 6 and 17 of U.S. Patent No. 9,403,626 (“the ’626 patent”), claims 1, 3, 7, 8, 16, 18, 19, and 21–23 of U.S. Patent No. 9,440,785 (“the ’785 pa- tent”), and claims 4 and 7 of U.S. Patent No.