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William J. Dorsey

Chicago Office

William J. Dorsey is a partner in the firm’s Litigation practice. His practice focuses on high‑stakes commercial disputes, including creditor’s rights, real estate, M&A, and intellectual property.

Will represents many of the nation’s leading lenders in cases involving intercreditor disputes, breach of credit agreements, guaranty enforcement, lender liability claims and lien priority fights. He also represents commercial lenders in bankruptcy litigation matters, including cash collateral disputes, preference and fraudulent transfer actions, claim objections, plan confirmation, and lift stay motions.

Will has handled foreclosures of industrial, retail, hotel, condominium, and condo-hotel projects across the country, including coordination of multi-state foreclosures. In addition, Will negotiates and documents forbearance agreements and deeds in lieu of foreclosure; litigates construction defect and mechanics lien claims on behalf of lenders, title insurance companies and property owners; and prosecutes and defends complex commercial lease disputes on behalf of large institutional lenders and commercial landlords and tenants. He has served as a court-appointed attorney to bankruptcy examiners.

Will also represents buyers, sellers, and lenders in contested M&A transactions and frequently provides transaction‑related advice.

In the area of intellectual property litigation, Will concentrates his practice on disputes involving unfair competition, trade secret and trademark infringement.

Will has co-authored articles on the mortgage foreclosure process and landlord-tenant disputes for the Illinois Institute of Continuing Legal Education.

Shown below is a selection of William’s engagements.


Super Lawyers, Illinois, 2012–2019
January 1, 2012
"Possession of the Mortgaged Property During a Foreclosure Action," Illinois Institute of Continuing Legal Education
January 1, 2010
Commercial Landlord-Tenant Practice, Tenant Defaults and Landlord Remedies, Illinois Institute of Continuing Legal Education
William J. Dorsey


  • JD, University of Michigan Law School
  • BA, Claremont McKenna College

Bar Admissions

  • Illinois
  • Missouri

Court Admissions

  • US District Court, Northern District of Illinois
  • US District Court, Central District of Illinois
  • US Court of Appeals, Seventh Circuit
  • US District Court, Western District of Missouri
  • US District Court, Eastern District of Michigan
  • US District Court, Eastern District of Wisconsin


Super Lawyers
Illinois, 2012–2019
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  • American Bankruptcy Institute
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