Christopher focuses his practice on patent litigation and prosecution, primarily in the electrical and mechanical arts. 

Christopher has experience in various phases of post-grant review proceedings, including Inter Partes Review and Reexamination proceedings, patent litigation in US District Courts and before the US International Trade Commission, patent portfolio evaluation and invalidity/infringement pre-suit analysis. In addition, Christopher has experience preparing and prosecuting US patent applications for clients in the automotive, software and consumer goods industries.