The focus of his practice has been on evaluating inventions and potential products from business and legal views, preparing and prosecuting patent applications, preparing invalidity opinions, freedom to operate opinions, infringement opinions, and pharmaceutical litigation. Before entering the patent field 10 years ago, Peter worked as a development scientist in the polyurethane industry. He has a Ph.D. in Inorganic Chemistry from University of Wisconsin-Madison, M.B.A. in Finance, Investment and Banking from UW-Madison, and J.D. from Rutgers.