MiTek Hits Rival Simpson With Patent Suit Over Construction Part

May 18, 2023, 9:54 PM UTC

Simpson Strong-Tie Co. Inc. was accused by a rival construction company on Wednesday of infringing patents for a component that connects trusses, joints, or beams to fire-separation walls.

Columbia Insurance Co. and MiTek Inc. brought their complaint against Simpson in the US District Court for the Northern District of California. The plaintiff companies allege Simpson made, used, sold, or offered to sell fire wall hangers that infringe on patents licensed exclusively to MiTek by Columbia.

Three models of Simpsons’s Strong-Tie Fire Wall Hangers are named in the complaint as allegedly infringing products.

Columbia and MiTek also allege that Simpson willfully ...

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