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Wolfson Electronics Wins First Round in Patent Dispute

Authored by Mark Hefflinger on November 17, 2004 - 5:00am.
Edinburgh -- Wolfson Microelectronics, a Scotland-based semiconductor specialist that floated on the London stock exchange four years ago, announced on Wednesday that it has won a significant battle in its protracted patent dispute with Cirrus Logic, a U.S.-based maker of chips for audio and consumer electronics. Wolfson said the International Trade Commission ruled that Cirrus's claims over its "928" patent, which involved no fewer than 15 Wolfson products, were "unenforceable." While the Commission did say that Wolfson had infringed on Cirrus's "501" patent, the patent affects only three of Wolfson's products, two of which have already been discontinued, the Scottish firm said. Cirrus now has 10 days to appeal the ruling. Meanwhile, Wolfson said it planned to continue with its counter-suit claiming that Cirrus improperly interfered with its initial public offering (IPO) in 2000.
tags: First Round | Patent Dispute | Wolfson Electronics |