Matthew “Chip” L. De Preter joined Aronberg Goldgehn Davis & Garmisa as a member of the intellectual property practice group.De Preter represents clients in patent, trademark, trade secret and false advertising litigation.Previously, he was a member at Olson & Cepuritis Ltd.• The Catholic Lawyers Guild will present a program on secondary trauma on Friday from 7:30 to 8:15 a.m. at St. Peter’s Catholic Church in the Loop, 110 W. Madison St.The program will explore the impact of secondary …