WASHINGTON, D.C. - A Massachusetts federal judge erroneously failed to construe the disputed language in claims of a patent before finding a defendant in contempt, the Federal Circuit U.S. Court of Appeals ruled Jan. 13 (Proveris Scientific Corporation v. Innovasystems Inc., Nos. 13-1166, -1190, Fed. Cir.; 2014 U.S. App. LEXIS 585).