Quarles & Brady filed a patent infringement lawsuit Friday in Florida Southern District Court on behalf of Epic Systems Corporation. The suit, against GreatGigz Solutions LLC, seeks a declaratory judgment of non-infringement of four patents related to Epic's 'MyChart' patient portal. Counsel have not yet appeared for the defendant. The case is 9:22-cv-80276, Epic Systems Corporation v. GreatGigz Solutions, LLC.