Daniel Formeller Tressler LLP

Formeller, Daniel R. Partner

Formeller, Daniel R. Partner

Practice Focus

Dan is Chairman of the firm. As a trial lawyer based in the firm’s Chicago office, Dan focuses his practice on business litigation and the resolution of business disputes through mediation and arbitration. Dan handles a wide variety of complex business litigation and counseling, including intellectual property, state and federal securities actions, anti-trust, ERISA, class actions and directors and officers liability matters. He has been lead trial counsel in bench and jury trials in state and federal courts throughout the United States. 

Professional Background

Before entering law school, Dan served in the United States Navy. He is the former president of both the Illinois Association of Defense Trial Counsel (1994-1995) and the Association of Defense Trial Attorneys (2005-2006). He is a Life Fellow of the American Bar Foundation. Dan received the annual Defense Research Institute’s Fred Sievert award in 1994 for Outstanding Defense Bar Leader Of The Year and was selected for inclusion in Illinois Super Lawyers® for the past 17 years. Dan has achieved an AV® Preeminent rating from Martindale-Hubbell, which is a testament to the fact that a lawyer's peers rank him at the highest level of excellence. He was selected by his peers in the 26th Edition (2020) and the 27th Edition (2021) of The Best Lawyers in America®  for Insurance Law.  Dan was recently selected as the 2022 Lawyer of the Year for Chicago: Litigation - Insurance by U.S. News and World Report and Best Lawyers®. He has also been selected as an Illinois Leading Lawyers® in 2022.


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Memberships & Affiliations

  • American Bar Association

ABA Business Law Section, Business and Commercial Litigation Committee
Wellness, Life Balance and Time Management Committee, Co-Chair
Women’s Commercial and Business Advocates Committee, Co-Chair  

  • American Bar Foundation, Life Fellow

  • Federal Bar Associations, Member

  • Federal Trial Bar, Member

  • District of Columbia Bar Association, Member

  • Seventh Circuit Bar Association, Member

  • DRI, Member, Director 2004-2007 

  • Panel of arbitrators/mediators for the American Arbitration Association, Member 

  • Panel of arbitrators/mediators for the FINRA, Member

  • Panel of arbitrators/mediators for the National Futures Association, Member

  • Professional Liability Underwriting Society, Member 

  • Illinois Association of Defense Trial Counsel, President 1994-1995

  • Association of Defense Trial Attorneys, President 2005-2006

Publications

News

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