Nathan H. Lichtenstein is Co-Chair of the firm's Commercial Litigation Group and Chair of the firm's Professional Responsibility Committee. He focuses his practice on complex commercial litigation, including probate and trust matters, breach of contract claims, fraud and consumer fraud actions, trademark and copyright infringement cases, shareholder derivative suits, federal tax litigation, employment matters and unfair competition claims.

He has extensive experience in banking, insurance, real estate, employment, viaticals and life settlements, as well as corporate matters, including ownership and management disputes - often described as "business divorce."

In the course of his practice, Nate has represented a broad range of corporate and commercial clients, including financial institutions, title insurance companies, advertising agencies, viatical and life settlement providers and brokers, and companies in the manufacturing and service industries. He has tried cases throughout the United States in state and federal courts, has argued cases before state and federal appellate courts, and has represented numerous clients in domestic and international arbitration hearings. He also serves as an arbitrator for the Cook County Mandatory Arbitration Program.


  • Successfully defended a former corporate officer in an emergency injunction hearing involving non-solicitation and trade secret issues

  • Obtained a verdict against a developer for rescission of an agreement to purchase property

  • Successfully defended a corporation against claims for phantom stock rights brought by a former employee

  • Resolved claims brought by a governmental agency against a telemarketing firm for violation of state regulations

  • Negotiated a settlement of RICO and fraud claims against an insurance company on behalf of a group of insureds

  • Successfully represented a computer software company in a copyright infringement action brought against a major university

  • Obtained a favorable decision in an international arbitration against a German investment fund for breach of contract

  • Successfully defended a national bank in a class action lawsuit seeking damages for alleged violation of the Consumer Fraud Act and the Illinois Interest Act

  • Obtained dismissal of a putative class action claim brought under the Telephone Consumer Protection Act (TCPA)


Nate joined Aronberg Goldgehn as a member in August 1983.

He holds the AV® Peer Review Rating from Martindale-Hubbell, its highest rating for ethics and legal ability. Among his accolades, since 2010 he has been recognized annually as a Leading Lawyer in Commercial Litigation by Illinois Leading Lawyers. He was also named a Super Lawyer in Business Litigation by Illinois Super Lawyers, a designation awarded by peers to only 5 percent of Illinois attorneys.


Nate has lectured before professional groups on a variety of topics, including employment law matters, arbitration, mediation and legal ethics. Recently, he presented:

Nate's publications include:


  • Past President, Ida Crown Jewish Academy

  • Member, Community Building and Jewish Continuity Commission of the Jewish Federation of Metropolitan Chicago.


  • Co-Chair, Commercial Litigation Group
  • Chair, Professional Responsibility Committee
  • Member, Continuing Legal Education Subcommittee of the Decalogue Society of Lawyers
  • Pro Bono Volunteer, Jewish United Fund Evelyn R. Greene Legal Services Program


The John Marshall Law School, Master of Laws in Taxation, cum laude, 1983

DePaul University College of Law, J.D., cum laude, 1977

Northwestern University, B.A., 1974


  • Illinois
  • U.S. District Court for the Northern District of Illinois, Trial Bar
  • U.S. Court of Appeals for the Seventh Circuit
  • United States Tax Court


  • Chicago Bar Association
  • Decalogue Society of Lawyers
  • Illinois State Bar Association


  • AV Peer Review Rating from Martindale-Hubbell
  • Illinois Leading Lawyer in Commercial Litigation (2010-2020)
  • Illinois Super Lawyer in Business Litigation (2005)


When he's not representing clients, or keeping up with the demands of his book club, Nate is likely to be traveling or enjoying the company of his grandchildren.

What is your favorite thing about working at Aronberg Goldgehn? What makes the firm a great place to practice law is the collegiality among the partners and associates. We work together to develop creative and cost-effective approaches and solutions to our clients’ issues. After 35 years, I still look forward to coming to work every day. 
What would you be doing if you weren’t a lawyer? If I wasn’t practicing law, I’d be teaching.