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Dyfan, LLC v. Target Corp.

Dyfan, LLC appeals from the United States District Court for the Western District of Texas’s final judgment of invalidity of the asserted patent claims. The district court held the claims invalid as indefinite under 35 U.S.C. § 112 ¶ 2 based on its view that certain claim limitations are in means-plus-function format under § 112 ¶ 6 and that the specification does not disclose sufficient structure corresponding to the recited functions. Because we conclude that the disputed claim limitations are not drafted in means-plus-function format, we reverse the district court’s judgment of invalidity and remand for further proceedings.

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