Atty. Mark Matthew Brennan

Atty. Mark Matthew Brennan

Mark Matthew Brennan is a lawyer practicing personal injury, civil litigation, commercial and 4 other areas of law. Mark received a B.A. degree from DePaul University in 1989, and has been licensed for 33 years.

Chicago Chicago 33 yrs experience 33 year
Call (312) 625-2017 Book Appointment

Profile Summary

About Mark Matthew Brennan at a glance

Mark Matthew Brennan is a Partner based in Chicago, Illinois, practicing at Brennan Garvey LLC. They have 33+ years of legal experience, licensed to practice since 1993. Their practice focuses on personal injury, business, product liability, litigation, and health care. Admitted to practice in Illinois U.S. District Court, Northern District of Illinois (1993). Educated at Loyola University Chicago School of Law (J.D., 1993) and DePaul University (B.A., 1989). Recognitions include BV Distinguished. Active member of Memberships and Affiliations •American Bar Association •Chicago Bar Association •Illinois State Bar Association. Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Matthew Brennan is a lawyer practicing personal injury, civil litigation, commercial and 4 other areas of law
  • Mark received a B.A. degree from DePaul University in 1989, and has been licensed for 33 years
  • Mark practices at Brennan Garvey LLC in Chicago, IL

Practice Areas Explained

Mark Matthew Brennan's Areas of Practice

Each practice area below reflects the types of cases Mark Matthew Brennan handles, with a brief overview of what that area of law covers.

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Mark Matthew Brennan is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Illinois →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Mark Matthew Brennan is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Illinois →

Product Liability

Mark Matthew Brennan is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in Illinois →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Mark Matthew Brennan is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Illinois →

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Mark Matthew Brennan is one of 66,735 health care attorneys indexed nationally. Browse health care 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 Mark Matthew Brennan

Where is Mark Matthew Brennan's law office located?
Mark Matthew Brennan's law practice is located in Chicago, Illinois. The firm is Brennan Garvey LLC. You can contact the office directly through this profile page.
What practice areas does Mark Matthew Brennan handle?
Mark Matthew Brennan focuses on personal injury, business, product liability, litigation, health care. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Mark Matthew Brennan practiced law?
Mark Matthew Brennan has 33+ years of legal experience and has been licensed since 1993.
Where did Mark Matthew Brennan go to law school?
Mark Matthew Brennan earned their education at (J.D., 1993); (B.A., 1989).
How can I contact Mark Matthew Brennan for a consultation?
You can contact Mark Matthew Brennan 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 Mark Matthew Brennan received?
Mark Matthew Brennan's notable recognition includes: BV Distinguished.

Education

J.D.
Loyola University Chicago School of Law
- 1993
B.A.
DePaul University
- 1989

Awards

BV Distinguished

Bar Admissions

Illinois U.S. District Court, Northern District of Illinois
Admitted: 1993

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