Atty. Michael W. Brennan

Atty. Michael W. Brennan

Mr. Michael W.

Santa Fe Santa Fe 55 yrs experience 55 year
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Profile Summary

About Michael W. Brennan at a glance

Michael W. Brennan is a Member based in Santa Fe, New Mexico, practicing at Brennan & Sullivan. They have 55+ years of legal experience, licensed to practice since 1971. Their practice focuses on medical malpractice, personal injury, business, real estate, and construction. Admitted to practice in Iowa (1971), New Mexico (1977), and U.S. Supreme Court U.S. Court of Appeals, Tenth Circuit U.S. Claims Court U.S. District Court, Distr (1980). Educated at University of Notre Dame (J.D., 1971) and University of Notre Dame (B.B.A., 1968). Recognitions include AV Preeminent. Active member of State Bar of New Mexico Association of Defense Trial Attorneys New Mexico Trial Lawyers Association. Serands clients in Santa Fe, NM and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Michael W. Brennan is a lawyer practicing complex litigation, torts, construction law and 14 other areas of law
  • Michael received a B.B.A. degree from University of Notre Dame in 1968, and has been licensed for 55 years
  • Michael practices at Brennan & Sullivan in Santa Fe, NM

Practice Areas Explained

Michael W. Brennan's Areas of Practice

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

Medical Malpractice

Medical malpractice lawyers represent patients harmed by negligent doctors, hospitals, and other providers. Free case review, no fee unless you win.

Michael W. Brennan is one of 49,086 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in New Mexico →

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.

Michael W. Brennan is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in New Mexico →

Business & Corporate Law

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

Michael W. Brennan is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New Mexico →

Real Estate Law

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

Michael W. Brennan is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in New Mexico →

Construction Law

Michael W. Brennan is one of 40,689 construction attorneys indexed nationally. Browse construction attorneys in New Mexico →

Jurisdictional Context

Why local counsel matters in New Mexico

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

Looking for additional New Mexico attorneys? Browse all attorneys in Santa Fe or all attorneys in New Mexico.

Frequently Asked

Common questions about Michael W. Brennan

Where is Michael W. Brennan's law office located?
Michael W. Brennan's law practice is located in Santa Fe, New Mexico. The firm is Brennan & Sullivan. You can contact the office directly through this profile page.
What practice areas does Michael W. Brennan handle?
Michael W. Brennan focuses on medical malpractice, personal injury, business, real estate, construction. Each practice area listed reflects experience handling cases of that type in New Mexico.
How long has Michael W. Brennan practiced law?
Michael W. Brennan has 55+ years of legal experience and has been licensed since 1971.
Where did Michael W. Brennan go to law school?
Michael W. Brennan earned their education at (J.D., 1971); (B.B.A., 1968).
How can I contact Michael W. Brennan for a consultation?
You can contact Michael W. 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 Michael W. Brennan received?
Michael W. Brennan's notable recognition includes: AV Preeminent.

Education

J.D.
University of Notre Dame
- 1971
B.B.A.
University of Notre Dame
- 1968

Awards

AV Preeminent

Bar Admissions

Iowa
Admitted: 1971
New Mexico
Admitted: 1977
U.S. Supreme Court U.S. Court of Appeals, Tenth Circuit U.S. Claims Court U.S. District Court, Distr
Admitted: 1980

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