Thomas E. Brannigan

Of Counsel

After graduating from the University of Notre Dame in 1961, Thomas E. Brannigan earned his law degree from the Notre Dame Law School in 1963. During the Vietnam War, he served as a captain in the U.S. Army and staff judge advocate of the 1st Armored Division, Fort Hood, Texas.

In 1967 he joined the Illinois Attorney General’s Office, where he represented various state officers in litigation before state and federal trial and appellate courts, including the Illinois Supreme Court and the U.S. Supreme Court. He argued and won an important U.S. Supreme Court case for the state [Boyle v. Landry, 401 U.S. 77 (1977)], which forbids federal courts from issuing injunctions against ongoing state criminal prosecutions.

He worked a few years in the Cook County State Attorney’s Office, where  he gained experience in local and state taxation matters, which ultimately led to a prominent career in private practice. During his distinguished legal career, Mr. Brannigan has represented dozens of particularly well-known clients, including major retailers, manufacturing, utility and real estate companies. He won a landmark Illinois Supreme Court case [Client Follow-up Co. v. Hynes, 390 N.E.2d 847 (1979)], which abolished the personal property tax in Illinois.

Mr. Brannigan argued a precedent setting case in the Illinois Supreme Court which expanded the tax exemption of mixed-use property where no identifiable part of the property is used exclusively for tax-exempt purposes. Streeterville Corporation v. Department of Revenue, 714 N.E.2d 497(1999). As a widely recognized expert in the field of real estate taxation, he has written and spoken in seminars on real estate taxation sponsored by organizations such as the International Association of Assessing Officers, the Institute for Professionals in Taxation, the Civic Federation, the Building Owners and Managers Association, the Chicago Bar Association, and the Chicago Tax Club. His articles on real estate tax matters have appeared in various topical law publications, including: Tax Trends, Illinois State Bar Association and Legal Briefs, Building Owners and Managers Association of Chicago.