(312) 759-7203
Marc O. Beem

Mr. Beem’s practice consists of commercial disputes, including litigation involving professional responsibility, contractual disputes, securities law, the liability of corporate directors and other company officers, constitutional law and real-estate-related matters. In addition, he is involved with bankruptcy matters, workouts and related litigation. Mr. Beem also advises non-public schools and other not-for-profit entities.

Selected Engagements

Represented large law firms in defense of legal malpractice and related claims arising from representation of hedge funds, closely-held metals manufacturing businesses, public Real Estate Investment Trust, snack foods manufacturer and distributor and commodities trading ventures.

Represented lawyers in arbitrations over separations from former law firms.

Represented lawyers in matters with Illinois Attorney Registration and Discipline Commission.

Represented court appointed receivers in Commodity Futures Trading Commission enforcement action and in liquidation of portfolio of mortgage loans with aggregate principal balance in excess of $1 billion.

Represented title insurance company in defense of fraudulent conveyance claims against mortgages granted in connection with leveraged buy-out of national retail chain.

Represented multi-national industrial engineering and construction firm in defense of breach of contract actions.

Ongoing representation of private schools and not-for-profit social service entities in general counseling, mergers and financial restructuring.

Represented artist whose work was deemed offensive by Chicago Aldermen and forcibly removed from display at public show of student artwork in civil rights damage claim.


B.A., Princeton University, Political Science, 1970.
Graduated with high honors

J.D., University of Chicago Law School, 1975.
Order of the Coif


Admitted to the Illinois Bar, 1975.

Law clerk to the Hon. Bernard M. Decker, U.S. District Court, Northern District of Illinois, 1975-1976.

Clinical teacher at the University of Chicago Law School, 1976-1981.

Associate with this firm, 1981-1985; became a partner in 1985.

Faculty member of the Intensive Trial Practice Workshop of the University of Chicago Law School.

Faculty member of the National Institute of Trial Advocacy, Midwest Regional Program on Negotiation.


American Bar Association

Chicago Bar Association

Chicago Council of Lawyers

Association of Professional Responsibility Lawyers

President Illinois ACLU, 200-2005; member ACLU National Board, 1996-2001 and 2005-2016.

Selected Publications

“Can Lawyers Protect, and Sell at Premium, a Secret and Valuable Idea?” Chicago Bar Association Record, June/July 2001. Written with Michael L. Shakman.