Fireblok IP Holdings, LLC v. Hilti, Inc., No. 2:19-cv-00023 (E.D. Tex. Feb. 27, 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.
FireBlok IP Holdings, LLC, sued Hilti, Inc., for patent infringement, claiming that Hilti’s Firestop Box Insert (“Insert”) infringed FireBlok’s U.S. Patent No. 6,252,167. See Docket No. 1. Hilti countered that it was protected under a license between Intumescent Technologies, LLC, FireBlok’s predecessor-in-interest, and RectorSeal, LLC, Hilti’s purported sole supplier. Docket Nos. 29, 29-5.
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