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Sean M. Hamann - Chicago, IL

33 North Dearborn StreetSuite 1720 Chicago, IL 60602

Super Lawyers®


Updated: 07/21/2021

Chicago Corporate Contractual Valuation and Enforcement Lawyer


Sean M. Hamann is a Partner with Lake Toback DiDomenico, having joined the firm in 2013. Prior to joining the firm, Mr. Hamann was engaged in private practice, focusing primarily on corporate contractual valuation and enforcement, pre and post decree family law matters, and appellate matters.

Mr. Hamann has drafted appellate briefs in a number of complex family law cases before the First District, Second District, and Third District of Illinois, as well as the 7th Circuit Court of Appeals...

About Sean M. Hamann

Current Employment Position(s)

  • Partner

Year Joined Firm

  • 2013

Practice Areas

  • Corporate Contractual Valuation and Enforcement
  • Pre and Post Decree Family Law Matters
  • Appellate Matters
  • Child Custody and Support
  • Complex Asset Valuation and Division
  • Prenuptial Agreements
  • High Net Worth Divorces


Bar Admissions

  • Illinois
  • U.S. District Court Northern District of Illinois

Other Affiliations

  • American Institute of Family Law Attorneys, 2016 - Present (Member)
  • U.S. District Court, Northern District of Illinois, Settlement Assistance Program
  • Chicago Bar Association (Member)


  • The John Marshall Law School, Chicago, Illinois
    Honors: cum laude
    Honors: CALI Excellence for the Future Award in the Field Of Corporation Law
    Honors: Alternative Dispute Resolution Certification
    Honors: Trial Advocacy Certification
  • Kelley School of Business at Indiana University, Bloomington
    Major: Marketing and Management


Accepts Credit Cards

Office Information


33 North Dearborn StreetSuite 1720 Chicago, IL 60602


  • 312-726-2385


Other Sources of Feedback About Sean M. Hamann

Included on the 2024 Illinois list

Past Lists

  • 2023 Illinois Super Lawyers list
  • 2022 Illinois Super Lawyers list
  • 2021 Illinois Super Lawyers list
  • 2020 Illinois Super Lawyers list

View the profile for Sean M. Hamann on Super Lawyers


  • American Institute of Family Law Attorneys – 10 Best Attorneys: Exceptional and Outstanding Client Service 2016 - present
  • Judges of the United States District Court: Northern District of Illinois – award for excellence in pro bono service 2016
  • Attorney and Practice Magazine: Top 10 Family Law Attorney – State of Illinois 2018
  • Leading Lawyers: Emerging Lawyers – Family Appellate Law , 2018 - 2019
  • Leading Lawyers: Emerging Lawyers – Family Law , 2018 - 2019
  • Super Lawyers: Rising Stars
  • Best of the Best: Top 10

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