![]() ![]() Dentists typically form an impression of a patient's tooth or teeth as part of the process for constructing a crown, cap, or other dental appliance. ![]() Accordingly, we affirm-in-part and reverse-in-part.Īdvantage owns the ′498 patent, which is directed to a method for making a custom dental impression tray. Because there are no genuine issues of material fact that All Dental does not infringe the patent, we affirm that portion of the judgment. Because the ′498 patent has not been shown to be invalid, we reverse that portion of the judgment. Patent 5,213,498 is invalid and not infringed by All Dental. appeals from the decision of the United States District Court for the Eastern District of New York granting the declaratory judgment plaintiffs All Dental Prodx, LLC and DMG Dental-Material Gesellschaft mbH (collectively, “All Dental”) summary judgment that Advantage Dental's U.S. Sprinkle, Gifford, Krass, Groh, Sprinkle, Anderson & Citkowski, P.C., of Birmingham, MI, argued for defendant-appellant.Īdvantage Dental Products, Inc. ![]() Butler,Kenyon & Kenyon, of New York, NY, argued for plaintiffs-appellees. Decided: October 25, 2002īefore NEWMAN, Circuit Judge, FRIEDMAN, Senior Circuit Judge, and LOURIE, Circuit Judge. ADVANTAGE DENTAL PRODUCTS, INC, Defendant-Appellant. United States Court of Appeals,Federal Circuit.ĪLL DENTAL PRODX, LLC and DMG Dental-Material Gesellschaft MBH, Plaintiffs-Appellees, v. ![]()
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