The U.S. Patent and Trademark Office (PTO) continues to apply the Bilski decision and other recent Federal Circuit decisions broadly. In our latest installment of the Celesq®-West IP Master Series, Leigh J. Martinson, Esq., a partner in McDermott Will & Emery LLP, discusses what is happening at the PTO and suggests strategies for overcoming 35 U.S.C. Section 101 rejections of "process" claims.