Defendant
1 case as defendant.
Belden Inc.: A Global Leader in Connectivity Solutions Facing Patent Challenges
Belden Inc. is an American multinational corporation, publicly traded on the New York Stock Exchange under the ticker symbol BDC. Founded in 1902 by Joseph C. Belden in Chicago, Illinois, the company is now headquartered in St. Louis, Missouri. As of 2024-2025, Belden employs approximately 7,500 to 8,000 people globally and reported a trailing twelve-month revenue of approximately $2.79 billion as of March 2026, with a market capitalization around $4.72 billion as of June 2026.
Belden designs, manufactures, and markets a broad range of wired and wireless connectivity solutions. Its product portfolio includes cables, networking infrastructure, and signal transmission products essential for mission-critical applications. The company's offerings serve diverse industries such as industrial automation, broadcast, smart buildings, data centers, and broadband & 5G markets. Key product lines encompass electronic wire and cable, Ethernet and fiber optic systems, industrial switches, and security solutions.
In terms of patent litigation, Belden Inc. operates as an operating company that actively manages its intellectual property. The company has a history of both asserting its patent portfolio and defending against challenges. Currently, Belden Inc. is listed as a defendant in one tracked case, "Unified Patents v. Belden Inc.," filed at the Patent Trial and Appeal Board (PTAB) on 2023-06-13. This indicates Belden is an operating company whose patents are subject to inter partes review (IPR) challenges by entities like Unified Patents.
Historically, Belden has been involved in other patent disputes. For instance, Belden Technologies, a subsidiary, was a plaintiff in "Belden Technologies v. CommScope, Inc.," a case concerning Category 6A cable technology that was stayed pending IPR proceedings. The company was also a defendant in "Belden Inc. v. Berk-Tek LLC" at the Federal Circuit, involving method claims for twisted cables, where the PTAB's obviousness determination for some claims was reversed. These cases highlight Belden's consistent engagement in defending its core technology patents.
An Inter Partes Review (IPR) filed by Unified Patents challenging US Patent 9991030, owned by Belden Inc., which has reached a Final Written Decision.