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William J. Factor

Attorney Profile

Top Rated Bankruptcy Attorney in Northbrook, IL

Law Offices of William J. Factor
1363 Shermer Rd, Suite 224
Northbrook, IL 60062
Phone: 312-667-7601
Fax: 847-574-8233
Selected to Super Lawyers: 2012, 2014 - 2022
Licensed in Illinois Since: 1991
Practice Areas: Bankruptcy: Business (60%), Bankruptcy: Consumer (20%), Business Litigation (20%)
Attorney Profile

William J. Factor founded his firm in April 2009, and he continues to focus his practice on a variety of commercial and consumer bankruptcy matters. At the Law Office of William J. Factor, Ltd., he provides representation to people and businesses throughout the greater Chicago metropolitan area and other parts of Illinois from the firm’s offices in Chicago and Northbrook.

Mr. Factor began his legal career as an associate at the home office of a Chicago-based international law firm, and, while he was there, he gained extensive experience in assisting creditors and creditors’ committees in Chapter 7 and Chapter 11 bankruptcy proceedings. He then joined another well-known Chicago-based law firm, and, as a partner, he continued on in the same area of law and also began representing people who had been appointed as trustees to oversee Chapter 7 consumer bankruptcies.

Since founding his own firm, Mr. Factor has expanded his practice to general commercial litigation while keeping his emphasis on bankruptcy matters, and he now represents debtors along with lenders and other creditors. His broad experience includes proceedings initiated under Chapter 13 as well as Chapter 7 and Chapter 11, and his caseload has also encompassed loan workouts, fraudulent conveyances, discharge denials, preferences, collections and assignments for the benefit of creditors. Mr. Factor has also handled general commercial litigation along with purchase transactions and their associated financing requirements. 

Exemplifying his successful track record, Mr. Factor is AV Preeminent peer-review rated,* the highest rating, through Martindale-Hubbell and he has received an “Excellent” rating on Avvo. A graduate of The University of Chicago, he pursued his legal education at DePaul University College of Law, where he served on the DePaul Law Review before receiving his juris doctorate with high honors and being inducted into the Order of the Coif in 1990. 

*AV®, AV Preeminent®, Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer-review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Ratings™ fall into two categories – legal ability and general ethical standards. 

The Law Office of William J. Factor, Ltd., is a debt relief agency. The firm’s team helps people file for bankruptcy relief under the Bankruptcy Code.

Practice Areas
  • 60%Bankruptcy: Business
  • 20%Bankruptcy: Consumer
  • 20%Business Litigation
Focus Areas

Bankruptcy Law


10 Years Super Lawyers
  • Super Lawyers: 2012, 2014 - 2022

About William J. Factor

First Admitted: 1991, Illinois

Professional Webpage:

Bar/Professional Activity

  • Law Review: DePaul Law Review, Staff Member, 1988 – 1990
  • U.S. Court of Appeals 7th Circuit
  • U.S. District Court Northern District of Illinois
  • Illinois

Educational Background

  • A.B., Bachelor of Arts, The University of Chicago, Illinois, 1983


  • High Honors (top 5% of class), DePaul University College of Law, Chicago, Illinois, 1990
  • Leading Commercial Bankruptcy Lawyers Recognition – As Published In Chicago Lawyer, September 2013
  • Order of the Coif, DePaul University College of Law, Chicago, Illinois, 1990
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Office Location for William J. Factor

1363 Shermer Rd
Suite 224
Northbrook, IL 60062

Phone: 312-667-7601

Fax: 847-574-8233

Last Updated: 8/19/2021

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