Attorneys / Lawyers / Patent Attorneys Our Team. Your Attorneys. Michael Horak, M.Sc. LL.M.Julia ZiegelerAnna Umberg, M.A. LL.M.Andree Eckhard, M.Sc.Katharina Gitmann-KopilevichKaroline BehrendJohanna K. Müller-Kühne, PhDAndreas FriedleinJohn Bühler