The BakerHostetler team of Partners Oren Warshavsky, Gonzalo Zeballos, Tatiana Markel and Michelle Usitalo filed an asset-recovery lawsuit against Eva Ropper and an obscure Austrian auction house on behalf of Patricia J. Leahy in a Holocaust-era restitution case involving alleged Nazi-looted art, claiming that she is the rightful heir and owner of a Gustav Klimt…