Jason M. Rosenthal

Jason M. Rosenthal

Chicago, IL


Chair of the firm's Litigation & Dispute Resolution Group, Jason is an accomplished business litigator, with significant experience also representing corporate policyholders in a wide range of insurance disputes. Previously, Jason served for five years as the Managing Partner of a Chambers-ranked boutique business litigation firm and then served for five additional years as the Managing Partner of its successor firm's Chicago office. As a result, he understands the challenges of running a business and brings a practical, results-oriented approach to his work.

Jason is a regular speaker and author on litigation and insurance topics. He has also been a regular contributor to CPA Insider, a publication of the American Institute of Certified Public Accountants.

Representative matters include:

  • EMCOR Group, Inc. v. Lloyd’s of London (AAA Arbitration): Testified as expert witness for claimant on representations and warranties insurance issues; arbitration panel granted seven-figure summary judgment award to claimant, and cited testimony in decision.

  • Financial Institution: Obtained coverage under representations and warranties insurance policy for $7.5 million settlement of class action lawsuit filed against acquired company.

  • M & J Wilkow v. Fairbourne Properties, et al.: Defended real estate firm, its partners and its investors against multi-count complaint seeking over $15 million.

  • Landesbank Hessen-Thüringen Girozentrale: Represented international financial institution in action seeking to secure insurance proceeds for $100 million-plus loss to property securing loan.

  • Sandy Alexander, Inc. v. Manroland, Inc. (co-counsel): Obtained $3.6M judgment in breach of contract action and sanctions order awarding attorneys’ fees in complex litigation involving two federal judges and a special master.

  • County of Cook  v. AIG: Testified on behalf of Cook County at jury trial regarding insurance coverage issues; jury awarded County over $50M.

  • Ace Management v. ICC Holdings, et al.: Represented majority investor in shareholder dispute regarding medical marijuana cultivation company.

  • Private Equity Sponsor: Represented private equity sponsor in dispute over alleged breach of representations and warranties in connection with sale of portfolio company to Fortune 50 company.

  • American Home Assurance Company v. Checkpoint Systems, Inc.: Represented policyholder in litigation over insurance coverage for antitrust lawsuit seeking over $100 million in damages.

  • Industrial Manufacturer: Negotiated more than $11 million in insurance coverage for contract lawsuit in which insurer claimed to have mistakenly revised D&O policy.

  • Young v. County of Cook: Advised Cook County, Illinois in connection with insurance coverage for $55 million class action settlement.

  • Travelers Property Casualty Company of America v. Lucas Williams, et al.: Represented judgment creditor seeking insurance coverage for $37 million verdict obtained in underlying lawsuit.

  • Zurich Capital Management v. Oceanic Bank and Trust, et al.: Successfully defended Bahamian bank and fund administrator against several multimillion-dollar lawsuits alleging securities fraud and related claims.

  • Tribune Company: A.P., et al. v. M.E.E., et al.: Represented Tribune Co. and the Chicago Tribune in gaining access to courtroom and court files regarding the highly publicized Pritzker family litigation, and further secured the public and media's right of access.

  • Carter v. Commonwealth Edison, et al.: Won successive summary judgments and trial against third-party defendant for indemnification and attorneys' fees totaling nearly $4 million.

  • Glen Ellyn Pharmacy, Inc. v. Sepracor, Inc.: Obtained 100 percent indemnification from insurer of defense costs and $2.43 million settlement payment made by pharmaceutical company.

  • Am Law 100 Firm: Defended one of the world's largest law firms against 12-count complaint brought by former partner; case resolved after winning successive sanctions motions against plaintiff.

  • AA Sales v. Coni-Seal: Won reversal of summary judgment in Seventh Circuit Court of Appeals; case was remanded for trial on sales representative company's claims that defendant wrongfully denied commissions on sales to nation's leading auto parts retailer.

  • American Express: Represented dozens of former managing directors in arbitration resulting from corporate acquisition, including claims to recover stock options and restricted stock awards.

  • West Bend v. Action Bio-Care: Obtained judgment on the pleadings recovering 100 percent of attorneys' fees and costs incurred defending federal copyright infringement and fraud lawsuit.

  • Industrial Manufacturer: Obtained summary judgment on behalf of manufacturing company seeking insurance coverage for multimillion-dollar federal and state lawsuits arising out of alleged environmental contamination.

  • Sure Start v. Zurich American Ins. Co.: Won summary judgment for insured on defense and indemnification obligations and bad faith claim, entitling insured to attorneys' fees and costs in bringing coverage lawsuit.

  • Ringo v. Linde: First-chaired trial and obtained directed judgment (affirmed on appeal) for former corporate president in breach of contract lawsuit regarding bank notes used to finance corporation.

  • Pribble v. United States: Won habeas corpus petition resulting in reversal of six-count bank fraud conviction of former bank president, obtaining his immediate release from federal prison.

  • Harris v. Coldwell Banker: Obtained dismissal of lawsuit seeking to hold national real estate brokerage firm responsible for failing to disclose special assessment enacted by village ordinance; dismissal was affirmed on appeal.



Chicago-Kent College of Law
J.D., 1997, Highest Honors
Indiana University Kelley School of Business
B.S., 1994

Bar Admissions


Court Admissions

U.S. Supreme Court
U.S. Court of Appeals for the Seventh Circuit
U.S. District Court for the Northern District of Illinois
Trial Bar for the Northern District of Illinois
U.S. District Court for the Central District of Illinois
U.S. District Court for the Southern District of Illinois
U.S. District Court for the Eastern District of Michigan

Professional Organizations

  • Federal Bar Association, Board of Directors, 2017 to present
  • American College of Coverage Counsel, Fellow
  • Defense Research Institute
  • American Bar Association
  • ABA Insurance Coverage Litigation Subcommittee on Cyber Risk & Data Privacy, Co-Chair, 2015-2018
  • ABA Insurance Coverage Litigation Subcommittee on Computers & Technology, Co-Chair, 2010-2014


Jason serves on the Board of Directors of the Federal Bar Association (Chicago Chapter) and previously served on the Board of Directors of the American Theater Company. He has been a volunteer for the U.S. District Court Hibbler Memorial Pro Se Assistance Program, a volunteer for the Constitutional Rights Foundation's Lawyers in the Classroom program, and a member of the IIT Chicago-Kent Career Strategies Task Force.

Insights & Events



  • Forty Under 40, Law Bulletin Media, 2010
  • Leading Lawyers Network, Commercial Litigation, Insurance Coverage & Reinsurance Law, 2017-2022
  • Best Lawyers in America, Insurance Law, 2019-2023
  • Martindale-Hubbell Law Directory, AV Preeminent®
  • Illinois Super Lawyers, 2013-2022
  • Illinois Super Lawyers – Rising Stars, 2008-2012
  • Ramsey-Burke Academic Scholarship Recipient, 1995-1997
  • Order of the Coif
  • American Jurisprudence Award for Trial Advocacy, 1997
Super Lawyers
Leading Lawyers
Martindale-Hubbell Attorney - Peer rated for the highest excellence.