William J. Factor

William J. Factor is a seasoned bankruptcy attorney and founding partner of Law Office of William J. Factor, Ltd, a Chicago-based law firm focused on representing financially distressed individuals and businesses. With a legal career that spans over three decades, Mr. Factor has deep expertise in both commercial and consumer bankruptcy, litigation, and creditor-debtor matters. His practice includes complex Chapter 7, 11, and 13 cases, trustee representation, and litigation in both state and federal courts.

Mr. Factor earned his J.D. from DePaul University College of Law, graduating with high honors and Order of the Coif. He was a staff member of the DePaul Law Review. He holds an A.B. from the University of Chicago.

Mr. Factor began his legal journey in the 1980s, initially working as a collections coordinator. This led him to DePaul’s evening law program, where his academic excellence earned him summer associate roles at Sidley Austin. He later joined the firm full-time, gaining foundational experience in commercial bankruptcy and litigation. In 1995, he joined Seyfarth Shaw LLP, where he became an equity partner and expanded his practice to include representation of Chapter 7 trustees.

In 2009, Mr. Factor founded Law Office of William J. Factor, Ltd to bring high-level commercial bankruptcy experience to individuals and small businesses. His firm now includes a team of full-time and of-counsel attorneys. The firm handles a wide range of matters, including Chapter 7 and 11 filings, trustee representation, creditor workouts, litigation, and asset recovery.

William J. Factor is admitted to practice in Illinois, the U.S. District Court for the Northern District of Illinois, and the U.S. Court of Appeals for the Seventh Circuit. His professional excellence has been consistently recognized by Super Lawyers, Leading Lawyers in Illinois, and Martindale-Hubbell, which has awarded him its AV Preeminent rating every year since 2003.

Law Office Affiliations

• Partner, Law Office of William J. Factor, Ltd.

Licensed State

• Illinois

Education

• DePaul University College of Law, Chicago
  Juris Doctor (JD)
• University of Chicago
  Bachelor of Arts (BA)

Awards & Badges