Opinion for the court filed by Circuit Judge LOURIE. Concurring opinion filed by Circuit Judge RADER. AK Steel Corporation appeals from the decision of the United States District Court for the Southern District of Ohio granting summary judgment that its U.S. Patent 4,800,135 was not infringed by Sol-lac and Ugine (collectively, “Sollac”) and that certain claims of its U.S. Patent 5,066,549 are invalid. AK Steel Corp. v. Sollac, <span class="cit…
Read the full opinion (source) ↗
Lexace provides legal information, not legal advice, and no attorney–client relationship is created. Citation figures are counts of later citing opinions in our corpus and may be incomplete; always read and Shepardize the full opinion before relying on it.