Linear Tech. Corp. v. Int'l Trade Comm'n

Linear Technology Corporation (“Linear”) filed a complaint with the United States International Trade Commission (“the Commission”) under section 337 of the Tariff Act of 1930, 19 U.S.C. § 1337(a)(1)(B), alleging that Advanced Analogic Technologies, Inc. (“AATI”) imported and/or sold for importation certain electronic voltage regulators that infringe U.S. Patent No. 6,580,258 (“the ’258 patent”). See In re Certain Voltage Regulators, Components Thereof and Products Containing Same, 71 Fed. Reg. 14,545 (Int’l Trade Comm’n Mar. 22, 2006) (“Notice of Investigation”). Linear now appeals the Commission’s final determination, ruling that certain AATI imported voltage regulators do not infringe asserted claims 2, 3, 34, and 35 of the ’258 patent and that claim 35 is invalid as anticipated by a device made by Maxim Integrated Products, Inc. (“the MAX782”). In re Certain Voltage Regulators, No. 337-TA-564, slip op. (Int’l Trade Comm’n Oct. 19, 2007) (“Final Determination”). In addition, AATI cross-appeals the Commission’s ruling that one of its imported voltage regulators infringes asserted claims 2, 3, and 34 and that asserted claims 2, 3, and 34 are not invalid as anticipated. Id. For the reasons stated in this opinion, we affirm-in-part, reverse-in-part, vacate-in-part, and remand.

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