Legrand SA

Legrand SA is a global specialist in electrical and digital building infrastructures, headquartered in Limoges, France. Founded in 1865, Legrand is a publicly traded company on Euronext Paris under the ticker symbol LR, and is a component of the CAC 40 index. The company reported sales of nearly €9.5 billion in 2025 and employs approximately 38,000 to 40,000 people worldwide.

Legrand offers a comprehensive range of products and systems for residential, commercial, and industrial buildings. Its major product lines include control and command of electric power (such as switches, sockets, dimmers, and user interfaces), cable management solutions (including trunking and cable trays), and power distribution equipment (like circuit breakers and UPS systems). The company also provides network infrastructure, lighting controls and systems, home automation and connected solutions, and critical power solutions for data centers and EV charging infrastructure.

Legrand SA's patent litigation posture is that of an operating company defending against patent assertion entities. The company has one tracked case, in which it is a defendant, with no cases as a plaintiff. The case, Stingray IP Solutions LLC v. Bticino SPA et al., was filed in the Eastern District of Texas, a venue known for patent plaintiff-friendly proceedings.

The notable tracked case for Legrand SA is Stingray IP Solutions LLC v. Bticino SPA et al., filed on June 4, 2021. Bticino SPA is a subsidiary of Legrand. Stingray IP Solutions LLC appears to be a non-practicing entity (NPE) that has initiated multiple patent infringement suits against various operating companies in the Eastern District of Texas, often involving wireless networking patents.