Phone: (312) 494-1000
Click here to email John

Mr. Rock is a founding member of the firm and concentrates his practice in the areas of commercial litigation, real estate matters and municipal litigation. He represents individuals and corporate clients in a wide variety of matters including commercial disputes, labor / employment law, construction litigation, real estate taxation and complex, high-stakes litigation. Mr. Rock advises and represents municipalities and governmental agencies in various issues including civil rights defense, labor and employment, eminent domain, and tax increment financing. Mr. Rock also represents condominium associations and its board members regarding various issues related to the Illinois Condominium Property Act.

Mr. Rock has significant experience in complex litigation matters and has taken many cases to verdict and defended successful verdicts at the appellate level. Mr. Rock is a member of the Federal Trial Bar and has successfully represented clients in hearings, bench trials and jury trials in both State and Federal Courts as well as before various administrative tribunals.

Prior to entering private practice, Mr. Rock was an Assistant State’s Attorney with the Cook County State’s Attorney’s Office. Mr. Rock authored dozens of appeals on behalf of the People of the State of Illinois and prosecuted hundreds of misdemeanor and felony cases in both bench and jury trials.

In addition to his professional duties, Mr. Rock was a member of the Alumni Board of Governors for his alma mater, Loyola University School of Law for two terms, from 2011 to 2017. Additionally, Mr. Rock participates in the mentor program at Loyola University School of Law and has served as a coach to the mock trial and moot court teams at Loyola.  He is a former member of the Chicago Bar Association’s Judicial Evaluation Committee and has served as a mentor to young lawyers through the Illinois State Bar Association.

Mr. Rock is active with GiGi’s Playhouse, Inc. a not-for-profit network of Down syndrome awareness and educational centers that provide resources, specialized teaching, and support to individuals with Down syndrome, their families and the community.  Mr. Rock is also on the Board of Trustees for the Village of Clarendon Hills Police Pension Board.

Mr. Rock has been named a “Super Lawyer” by Law and Politics Magazine and was honored by the Law Bulletin Publishing Company by being named one of the “40 Attorneys Under 40 in Illinois to Watch.” Click here to view the award.


Areas Of Practice
Administrative Review Law
Appellate Law
Business / Commercial Litigation
Civil Rights Litigation
Class Actions
Complex Litigation
Condominium / Cooperative
Eminent Domain / Condemnation
Insurance Litigation
Labor and Employment Law
Municipal / Governmental Law
Real Estate / Construction Litigation
Real Estate Taxation
Transportation / Common Carrier Law

Bar Admissions
Illinois, 1996
U.S. District Court Northern District of Illinois, 1996
U.S. District Court, District of Columbia, 2015
U.S. Court of Appeals 7th Circuit, 2001
U.S. District Court Northern District of Illinois Trial Bar, 2002
U.S. Supreme Court, 2005

Loyola University Chicago School of Law, Chicago, Illinois – J.D.
Miami University, Oxford, Ohio – B.S.
Major: Business/Finance
Minor: Decision Sciences

Recognized as a Super Lawyer in Illinois for 2007, 2008, 2011, 2012, 2014 2015, 2016, 2017, 2018 and 2019 by Law & Politics Magazine. Super Lawyers represent the top five percent of attorneys in more than 60 practice areas.

Visit for details.

Named one of the “40 Attorneys Under 40 in Illinois to Watch” by the Law Bulletin Publishing Company.

Click here to view the award.

Representative Cases

Village of Bellwood v. American Nat’l Bank, et al., 2011 IL App. (1st) 093115, 952 N.E.2d 148
Ty Inc. v. Softbelly’s, Inc., 517 F.3d 494 (7th Cir. 2008)
Evans v. City of Chicago, et al., 513 F.3d 735 (7th Cir. 2008)
Evans v. City of Chicago, et al., 445 F.3d 953 (7th Cir. 2006)
Evans v. City of Chicago, et al., No. 04 C 3570, 2006 WL 463041 (N.D. Ill. 2006)
Evans v. City of Chicago, et al., 231 FRD 302 (N.D. Ill. 2005)
Ty Inc. v. Flood, 2005 WL 994579 (N.D. Ill. 2005)
Ty Inc. v. Softbelly’s, Inc., 2005 WL 326974 (N.D. Ill. 2005)
Baker v. Jewel, 355 Ill.App.3d 62 (Ill. App. Ct. 2005)
Lunding v. Biocatalyst, 2004 WL 547250 (N.D. Ill. 2004)
Ty Inc. v. Softbelly’s, Inc., 353 F.3d 528 (7th Cir. 2003)
Lunding v. Biocatalyst, 2003 WL 22232831 (N.D. Ill 2003)
Lunding v. Biocatalyst, 2003 WL 21310280 (N.D. Ill. 2003)
Bosco v. CTA, 164 F.Supp.2d 1040 (N.D. Ill. 2001)
Ty Inc. v. Softbelly’s, Inc., 2001 WL 125321 (N.D. Ill. 2001)
Burns & Associates, Inc. v. Prestige Products Group, 2001 WL 830975 (N.D. Ill. 2001)
People v. Valentine, 299 Ill.App.3d 1 (Ill. App. Ct. 1998)
People v. Carlson, 293 Ill.App.3d 984 (Ill. App. Ct. 1997)

Legal Affiliations

Federal Bar Association
Illinois Bar Association – Member, Mentor Program
Chicago Bar Association – Member, Judicial Evaluation Committee (2002-2010)

Other Associations

Celtic Legal Society of Chicago – Board Member (2005 –present); President (2015-2016)
International Municipal Lawyers Association
City Club of Chicago
Underground Contractors Association
Illinois Trucking Association

Past Employment Positions

Rock Fusco, LLC, Principal, 2004-2011
Cook County State’s Attorney’s Office, Assistant State’s Attorney – 1997-2001

Super Lawyers


IllinoisUnites States District Court For The Northern District Of IllinoisUnites States Court Of Appeals For The Seventh Circuitus_district_courtsupreme_court_sealillinois_state_bar_associationinternational_municipal_lawyers_assiciationloyola_law