John S. Mrowiec - Conway & Mrowiec

John S. Mrowiec

Listed in Best Lawyers since 2006
Phone: 312-658-1100

John S. Mrowiec is a founding partner in the firm of Conway & Mrowiec. Mr. Mrowiec represents project participants in arbitration, litigation, mediation, contract drafting and claim preparation. He has tried, arbitrated or mediated several complex cases throughout the United States, most recently, successfully represented a general contractor to recover a seven-figure claim on an urban school project in a multi-week arbitration against a earth retention subcontractor involving the cause of damages to an adjacent property and loss of efficiency, delay and acceleration damages on impacted project through arbitration award, confirmation, subcontractor’s appeal and collection from appeal bond surety and successfully represented a multiple prime contractor to recover a seven-figure claim in a multi-week arbitration against an owner involving out-of-sequence work on a hospital project caused by owner’s construction manager and loss of efficiency, delay and acceleration damages through award and collection.

Mr. Mrowiec has drafted and negotiated more than one billion dollars in construction, construction management, design/build, design and trade contracts most recently on the largest private mixed use project started in Chicago in five years.  Mr. Mrowiec has authored over 110 construction law articles, is a co-author of the chapter on general contractors’ mechanics lien rights in the leading publication concerning Illinois mechanics lien rights, of a chapter on representing the general contractor on Pre-Contract Issues and of a chapter on Delay Claims for “Construction Change Order Claims 2d” in the Wolters Kluwer Construction Law Library. 

Mr. Mrowiec was selected by his peers to the initial board of Leading Lawyers Network, to “Best Lawyers in America” and Chambers USA, America’s Leading Lawyers for Business.  Mr. Mrowiec also holds a Martindale-Hubbell Rating of ‘AV Preeminent.’  Mr. Mrowiec has addressed construction industry groups on over seventy occasions and authored manuals on the American Institute of Architects’ family of construction contracts and related documents; new developments in construction law; public construction bidding and performance; design/build and construction management contracts and disputes; delay and labor productivity claims; and mechanics lien and payment bond claims. 

Since 2000, Mr. Mrowiec has been a member of the Facilities Committee, since 2005, the Board of Trustees, since 2010, Chair of the Facilities Committee, and since 2012, member of the Executive Committee of the Board, of the Francis W. Parker School, Chicago, Illinois.

Reported Cases: Lakewood Prairie, LLC v. Ibarra Concrete Co., 2008 U.S. Dist. LEXIS 46185 (N.D. Ill. 2008) County of DuPage v. Matthei & Colin Associates, 369 Ill. App. 3d 1051 (2d Dist. 2007) Acme Metals, Inc. v. Raytheon Engineers & Constructors, Inc. (In re Acme Metals, Inc.), 257 B.R. 714 (Bankr. Ct. D. Del. 2000) Southwest Financial Bank & Trust Co. v. George Hyman Construction Co., 940 F. Supp. 1331 (N.D. Ill. 1996) United States f/u/b DJM Construction, Inc. v. Rust Engineering Co., 1996 WL 204318 (N.D. Ill. 1996) Mellon Stuart Construction, Inc. v. MWRDGC, 1995 U.S. Dist. LEXIS 3493 (N.D. Ill. 1995) Downey, Inc. v. Bradley Center Corp., 524 N.W.2d 915 (Wis. Ct. App. 1994) In re KNM Roswell LP, 126 B.R. 548 (Bankr. Ct. N.D. Ill. 1991) In re Highland Park Associates LP, 130 B.R. 55 (Bankr. Ct. N.D. Ill. 1991) Mellon Stuart Construction, Inc. v. MWRDGC, 1990 U.S. Dist. LEXIS 7669 (N.D. Ill. 1990)

DePaul University College of LawJ.D. 1983

Client Comments

"What most attorneys have to do hours of research to provide direction, John knows off the top of his head. He is extremely intelligent, hardworking, and service oriented, in combination with being business savvy. Their charges are fair and well earned."

-Jeffrey Crane
Crane Construction Co., LLC

"John is a very competent, ethical, and professional counsel."

Office Location

20 South Clark Street, Suite 1000
Chicago, IL 60603
United States

Lawyer of the Year Awards

2014 Lawyer of the Year in Construction Law of the Chicago Metro Area
John S. Mrowiec has earned a Lawyer of the Year award for 2014!

Practice Areas

Construction Law (Arbitration and Mediation, Commercial Development, Condominiums, Construction Disputes, Government Contracts, Industrial)
Litigation - Construction