As Managing Partner of the firm’s Chicago office and chair of the national intellectual property group, Sidney is engaged in client counseling, licensing and litigation concerning all areas of intellectual property law, including patents, trademarks and copyrights. He has received significant recognition for his work in the protection of computer programs and video games under copyright laws.
Sidney has served as a patent expert in numerous patent infringement lawsuits. He is also an accomplished lecturer at conferences and seminars sponsored by groups such as the Patent Resources Group, the U.S. Trademark Association Forum, the Practicing Law Institute, the Conference of the Computer Law Association and the Second International Conference of the Japanese Amusement Machine Manufacturers in Tokyo.
Sidney’s background includes serving as a patent examiner in the U.S. Patent Office and as an electrical engineering technician with Filmotype Corp. After law school, Sidney was an Associate in Chicago with the late Leonard G. Nierman and a partner in the Chicago firm of Fitch, Even, Tabin, Flannery & Welsh, where he practiced 15 years before co-founding Welsh & Katz in 1983. He was the Managing Partner of Welsh & Katz from 1991 to 2008, when the firm merged with Husch Blackwell.