Banner Witcoff has expanded its litigation practice in Chicago with the arrival of trial attorney Sanjay K. Murthy.He represents leading life science and technology companies in federal district courts before the Patent Trial and Appeal Board and in Section 337 investigations in the U.S. International Trade Commission.Murthy joins the firm from Morgan Lewis and Bockius LLP.• Buckley Fine Law announced Caroline E. Hecht was promoted to partner.Hecht concentrates her practice in estate planning, estate and trust …