Jack L. Haan has practiced for over 20 years as a successful business litigation lawyer. He has handled a variety of legal matters, including shareholder and partner disputes, large contract claims, breach of fiduciary duty claims, unfair competition claims, fraud cases, and more. He has obtained millions of dollars in total judgments and awards for his clients. He specializes in resolving cases in a timely manner with client-focused case strategies. His education and experience as a business litigation lawyer is listed below:

Recent Professional Experience

Shaheen, Novoselsky, Staat & Filipowski, P.C., Chicago, IL.
Partner, Chair of Litigation Department – Dec. 2002 – June, 2012
The Collins Law Firm, P.C., Naperville, IL.
Senior Associate, Commercial Litigation – 2000 – 2002.


American University, Washington College of Law – Juris Doctor, 1992
Hope College – Bachelor of Arts, 1989

Bar Admissions

  1. State of Illinois, 1992
  2. United States District Court, Northern District of Illinois (General and Trial Bars) – 1997.
  3. United States District Court, Central District of Illinois (General Bars) – 1993.
  4. United States Court of Appeals, Seventh Circuit – 2010.

Have a Question?

Need to speak to Jack L. Haan about a business problem you have? Fill out the contact form or call him at (708) 480-2600.


The Firm’s Promise to its Clients

Coordinating overall strategy with clients.
Returning phone calls within 24 hours.
Providing timely service.
Communicating regularly on the status of projects.
Providing detailed invoices.