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Oatey Co. v. IPS Corp.

The Oatey Company appeals the summary judgment of the United States District Court for the Northern District of Ohio, ruling that U.S. Patent No. 6,148,850, owned by Oatey, is not infringed by IPS Corporation. The patented invention concerns washing machine outlet boxes, which are boxes that are installed in wall recesses during construction of a house in order to collect hoses for the input and output water flow of washing machines and other household appliances, particularly air conditioners. After a Markman hearing, the district court construed disputed claim terms and then granted summary judgment of non-infringement in favor of IPS, and dismissed IPS's counterclaims without prejudice. We now modify the district court's claim construction, vacate the summary judgment of non-infringement, and remand for further proceedings.

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