Aaron's practice focuses primarily on patent litigation and prosecution, with particular interest in financial services, software and business methods. He also has a mean collection of geodesic domes and other math toys, many of which can now be found in his office, having been expelled from his home during the Great Wifely Geekness Banishment of 2002.Aaron lives near Wrigley Field with his wife and three children, who describe their dad's job as being an "idea lawyer."