Atty. Mark Winfield Brennan

Atty. Mark Winfield Brennan

Mark Winfield Brennan is a lawyer practicing class action, commercial, class and derivative actions and 2 other areas of law. Mark received a A.B. degree from Western Kentucky University in 1988, and has been licensed for 35 years.

Kansas City Kansas City 35 yrs experience 35 year
Call (816) 643-5145 Book Appointment

Profile Summary

About Mark Winfield Brennan at a glance

Mark Winfield Brennan is a Counsel based in Kansas City, Missouri, practicing at Bryan Cave Leighton Paisner LLP. They have 35+ years of legal experience, licensed to practice since 1991. Their practice focuses on business, real estate, bankruptcy, class action, and aviation. Admitted to practice in Missouri (1991) and U.S. District Court, Western District of Missouri U.S .Court of Appeals, Fourth, Seventh and Eighth (1996). Educated at University of Missouri-Columbia (J.D., 1991) and Western Kentucky University (A.B., 1988). Recognitions include BV Distinguished. Serands clients in Kansas City, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Winfield Brennan is a lawyer practicing class action, commercial, class and derivative actions and 2 other areas of law
  • Mark received a A.B. degree from Western Kentucky University in 1988, and has been licensed for 35 years
  • Mark practices at Bryan Cave Leighton Paisner LLP in Kansas City, MO

Practice Areas Explained

Mark Winfield Brennan's Areas of Practice

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

Business & Corporate Law

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

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

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

Mark Winfield Brennan is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Missouri →

Bankruptcy & Debt

A bankruptcy attorney can help you eliminate debt, stop creditor harassment, and protect your home through Chapter 7 or Chapter 13.

Mark Winfield Brennan is one of 105,321 bankruptcy attorneys indexed nationally. Browse bankruptcy attorneys in Missouri →

Class Action

Mark Winfield Brennan is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in Missouri →

Aviation Law

Aviation attorneys for aircraft accidents, FAA regulation, pilot defense, and aviation industry matters.

Mark Winfield Brennan is one of 9,225 aviation attorneys indexed nationally. Browse aviation attorneys in Missouri →

Jurisdictional Context

Why local counsel matters in Missouri

Practicing law in Missouri. Legal matters in Missouri are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Kansas City are typically filed in the local municipal court or the appropriate Missouri state district court, depending on subject matter and amount in controversy. An attorney licensed in Missouri 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 Missouri courts without local counsel or pro hac vice admission.

Looking for additional Missouri attorneys? Browse all attorneys in Kansas City or all attorneys in Missouri.

Frequently Asked

Common questions about Mark Winfield Brennan

Where is Mark Winfield Brennan's law office located?
Mark Winfield Brennan's law practice is located in Kansas City, Missouri. The firm is Bryan Cave Leighton Paisner LLP. You can contact the office directly through this profile page.
What practice areas does Mark Winfield Brennan handle?
Mark Winfield Brennan focuses on business, real estate, bankruptcy, class action, aviation. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has Mark Winfield Brennan practiced law?
Mark Winfield Brennan has 35+ years of legal experience and has been licensed since 1991.
Where did Mark Winfield Brennan go to law school?
Mark Winfield Brennan earned their education at (J.D., 1991); (A.B., 1988).
How can I contact Mark Winfield Brennan for a consultation?
You can contact Mark Winfield 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 Winfield Brennan received?
Mark Winfield Brennan's notable recognition includes: BV Distinguished.

Education

J.D.
University of Missouri-Columbia
- 1991
A.B.
Western Kentucky University
- 1988

Awards

BV Distinguished

Bar Admissions

Missouri
Admitted: 1991
U.S. District Court, Western District of Missouri U.S .Court of Appeals, Fourth, Seventh and Eighth
Admitted: 1996

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