Broadcom Corp. v. International Trade Commission, No. 20-2008 (Fed. Cir. 2022)
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Broadcom’s 583 patent is directed to reducing power consumption in computer systems by “gating” clock signals with circuit elements to turn the signals ON and OFF for downstream parts of the circuit; its 752 patent is directed to a memory access unit that improves upon conventional methods of requesting data located at different addresses within shared memory. Broadcom alleged violations of 19 U.S.C. 1337 based on Renesas's importation of products that allegedly infringe those patents.
An ALJ held that Broadcom failed to demonstrate a violation with respect to the 583 patent, citing the technical prong of the domestic industry requirement; Broadcom failed to identify an actual domestic industry article that practices claim 25. For the 752 patent, the ALJ held that claim 5 would have been unpatentable as obvious. The International Trade Commission affirmed. In inter partes review, the Patent Trial and Appeal Board held that claims 25 and 26 of the 583 patent and claims 1, 2, 5, 7, and 8 of the 752 patent would have been obvious over prior art but that Renesas failed to demonstrate that other claims of the 583 patent would have been obvious.
With respect to the 583 patent, the Federal Circuit affirmed the Board’s holding and affirmed the holding that there was no domestic industry. With respect to the 752 patent, the court affirmed the entirety of the Board’s holding.
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