Clients rely on Dan's combination of legal and scientific expertise that he brings to his practice, which focuses on patent litigation and strategic counseling, with a particular emphasis on pharmaceutical, biologic, and chemical technologies.

His scientific background allows him to address complex issues for his clients with respect to legal and overall business strategies.

Dan has litigated patent disputes extensively on behalf of both plaintiffs and defendants in federal courts, before the Patent Trial and Appeal Board, and in the International Trade Commission. His cases predominantly involve highly complex chemical technologies, whether in the context of Hatch-Waxman or BPCIA cases or those involving traditional allegations of infringement of chemical patents.