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Joseph T. Gentleman

Gentleman Law

Joseph T. Gentleman

Trusted legal expertise and advice since 1998

A native of Oak Forest, Illinois, Joseph Gentleman is dedicated to serving clients throughout the Chicagoland area. Raised by successful parents, his father an entrepreneur and his mother CFO of the family business, Mr. Gentleman chose to attend Northwestern University after graduating from Oak Forest High School. Following college, Mr. Gentleman attended The John Marshall Law School because of its renowned trial advocacy program and its excellent reputation for creating the finest plaintiff trial lawyers in the area. While attending law school, Mr. Gentleman was invited to become a member of the prestigious John Marshall Law Review and his thesis addressed the use of synonyms to protect the identity of certain plaintiffs in highly sensitive lawsuits.

After law school, he chose to start his own practice. Mr. Gentleman shares office space with Donald Johnson. Donald L. Johnson has been one of finest plaintiff lawyers in the Chicagoland area for over 40 years and is considered one of the preeminent attorneys in Illinois in legal reference guides. Donald L. Johnson and Mr. Gentleman have worked on numerous cases together for the last 16 years and he is an invaluable source of legal acumen and experience.

For more than 16 years, Mr. Gentleman has been providing representation at the state and federal level and has also tackled numerous appellate cases. He has tried cases as lead counsel in the federal and the state courts and has appeared before and argued in front of The United States Court of Appeals, Seventh Circuit and has made oral arguments numerous times in the Illinois Appellate Court.

Rely on one of Chicago’s most respected appellate attorneys with a proven track record of success.

Choosing an attorney can be an overwhelming task. At Gentleman Law you receive the legal guidance and tools you need to understand your options and make the best decisions for your case. Contact the firm online or call (312) 741-1039 to discuss your case, free of charge. The firm is conveniently located near Daley Plaza and the Cook County courthouse.


Practice Areas

  • Legal Malpractice
  • Business Law
  • Commercial Litigation
  • Foreclosure Defense

Bar Admissions

  • Illinois, 1998


  • J.D., The John Marshall Law School, 1998
  • The John Marshall Law Review
  • B.A., Political Science, Northwestern University, 1991


  • AV® Preeminent™ Peer Review Rated by Martindale-Hubbell®
  • Super Lawyers 2014, 2015 – SUPER LAWYERS