Hilti Win Over Electrical Box Patent Claims Affirmed on Appeal

Hilti Inc. is protected from a patent infringement suit because its fire-suppressing electrical box inserts were covered by a licensing agreement, the Federal Circuit affirmed.

The U.S. District Court for the Eastern District of Texas held Hilti didn’t infringe FireBlok IP Holdings LLC’s U.S. No. Patent 6,252,167 but that FireBlok’s allegations weren’t so frivolous as to merit attorneys’ fees or draw sanctions.

The U.S. Court of Appeals for the Federal Circuit affirmed in a nonprecedential opinion. “FireBlok’s speculation about the source of the inserts and FireBlok’s inconclusive testing results fail to establish that there is a genuine dispute as ...