Cyrus is a trial attorney whose complex litigation practice has included an emphasis on patent litigation since 1998. His representation of small companies and inventors includes judgments against Clear Channel, Apple, and Itron. He has also successfully defended companies such as Medtronic, Liberty Mutual and Draeger in patent cases. Cyrus is Chair of the Patent Office Trials Group which focuses on new procedures for patent office trials on patent validity or derivation created by the America Invents Act. Prior to becoming a lawyer, Cyrus worked at 3M Company where he co-authored three Records of Invention.