Atty. Gary L. Gassman

Atty. Gary L. Gassman

Gary Gassman focuses his practice in the areas of insurance coverage counseling and litigation and is co-chair of the firm’s Professional Liability Practice Group. For more than 20 years, his practice has been concentrated on management liability including directors and officers and entity liability, employment practices liability, fiduciary liability, and various types of professional liability and commercial general liability coverage.

Chicago Chicago 33 yrs experience 33 year
Call (312) 382-3100 Book Appointment

Profile Summary

About Gary L. Gassman at a glance

Gary L. Gassman is a insurance attorney based in Chicago, Illinois, practicing at Cozen O'Connor. They have 33+ years of legal experience, licensed to practice since 1993. Admitted to practice in Illinois, Bar (1993), Arizona, Bar (2015), and Wisconsin, Bar (2015). Educated at University of Illinois Chicago (J.D., 1993) and Indiana University Bloomington (B.A., 1990). Recognitions include Best Lawyers in America — Insurance Law (2026), Best Lawyers in America — Litigation - Insurance (2026), and Best Lawyers in America — Additional Areas of Practice: (2026). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Gary Gassman focuses his practice in the areas of insurance coverage counseling and litigation and is co-chair of the firm’s Professional Liability Practice Group
  • For more than 20 years, his practice has been concentrated on management liability including directors and officers and entity liability, employment practices liability, fiduciary liability, and various types of professional liability and commercial general liability coverage
  • He also has significant reinsurance experience
  • Gary serves as national coverage counsel for a number of insurance companies in the management of directors and officers and professional liability claims and litigation
  • He has represented insurers and reinsurers in coverage litigation and domestic and international arbitration and in general business and compliance matters
  • He regularly engages in management liability and miscellaneous professional liability insurance policy, application and endorsement interpretation and drafting, and has conducted numerous claim, system and underwriting audits for insurers and reinsurers
  • He also defends various types of professionals in litigated matters
  • Gary speaks at insurance coverage seminars throughout the county and is active in several lead organizations
  • He has taught legal writing as an adjunct professor of law and regularly publishes in the areas of corporate governance, securities laws, and international and domestic D&O, E&O, and EPL exposures and trends
  • Gary currently serves as Diversity Officer of the American Bar Association, Tort Trial & Insurance Practice Section (TIPS), co-chair of the TIPS Insurance Institute Task Force, and leader of the Cozen O'Connor LGBTQ Attorney Resource Group

Work History

Cozen O'Connor (2015 - Present) Meckler Bulger Tilson Marick & Person LLP (1999 - 2015) Kenneth T. Garvey & Associates (1996 - 1999) Fellowship, Center for Information Technology & Privacy Law (1993 - 1995)

Practice Areas Explained

Gary L. Gassman's Areas of Practice

Each practice area below reflects the types of cases Gary L. Gassman handles, with a brief overview of what that area of law covers.

Insurance Law

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

Gary L. Gassman is one of 121,912 insurance attorneys indexed nationally. Browse insurance attorneys in Illinois →

Jurisdictional Context

Why local counsel matters in Illinois

Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Chicago are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Illinois courts without local counsel or pro hac vice admission.

Looking for additional Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.

Frequently Asked

Common questions about Gary L. Gassman

Where is Gary L. Gassman's law office located?
Gary L. Gassman's law practice is located in Chicago, Illinois. The firm is Cozen O'Connor. You can contact the office directly through this profile page.
What practice areas does Gary L. Gassman handle?
Gary L. Gassman focuses on insurance. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Gary L. Gassman practiced law?
Gary L. Gassman has 33+ years of legal experience and has been licensed since 1993.
Where did Gary L. Gassman go to law school?
Gary L. Gassman earned their education at (J.D., 1993); (B.A., 1990).
How can I contact Gary L. Gassman for a consultation?
You can contact Gary L. Gassman directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Gary L. Gassman received?
Gary L. Gassman's notable recognition includes: Best Lawyers in America — Insurance Law; Best Lawyers in America — Litigation - Insurance; Best Lawyers in America — Additional Areas of Practice:; Best Lawyers in America — Arbitration; Best Lawyers in America — Commercial Litigation.

Education

J.D.
University of Illinois Chicago
- 1993
B.A.
Indiana University Bloomington
- 1990

Awards

Best Lawyers in America — Insurance Law
- 2026
Best Lawyers in America — Litigation - Insurance
- 2026
Best Lawyers in America — Additional Areas of Practice:
- 2026
Best Lawyers in America — Arbitration
- 2026
Best Lawyers in America — Commercial Litigation
- 2026
Best Lawyers in America — International Arbitration - Commercial
- 2026
Best Lawyers in America — International Arbitration - Governmental
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — ABA, Tort Trial & Insurance Practice Section (TIPS) Leadership Academy – 2008-2009
- 2026

Bar Admissions

Illinois, Bar
Admitted: 1993
Arizona, Bar
Admitted: 2015
Wisconsin, Bar
Admitted: 2015

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