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Charles Andres, Ph.D., RAC, is an associate in the Washington, D.C., office of Wilson Sonsini Goodrich & Rosati. He focuses on patent prosecution, strategic patent counseling, IP due diligence, drug and medical device FDA regulatory counseling, invalidity and non-infringement opinions, life-cycle management, Supreme Court and Federal Circuit amicus briefs, and related business matters.Charles Andres, Ph.D., RAC, is an associate in the Washington, D.C., office of Wilson Sonsini Goodrich & Rosati. He focuses on patent prosecution, strategic patent counseling, IP due diligence, drug and medical device FDA regulatory counseling, invalidity and non-infringement opinions, life-cycle management, Supreme Court and Federal Circuit amicus briefs, and related business matters.