Atty. John J. Sullivan

Atty. John J. Sullivan

Mr. John J.

Indianapolis Indianapolis 50 yrs experience 50 year
Call (317) 550-0270 Book Appointment

Profile Summary

About John J. Sullivan at a glance

John J. Sullivan is an Of Counsel based in Indianapolis, Indiana, practicing at Montross Miller Muller Mendelson & Kennedy, LLP. They have 50+ years of legal experience, licensed to practice since 1976. Their practice focuses on trusts, probate, medical malpractice, estate planning, and real estate. Admitted to practice in Indiana (1976), U.S. Court of Appeals, Seventh Circuit (1982), and U.S. Supreme Court (1986). Educated at Indiana University (J.D., 1976) and College of the Holy Cross (A.B., 1973). Recognitions include AV Preeminent. Active member of Indianapolis and Indiana State Bar Association. Serands clients in Indianapolis, IN and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. John J. Sullivan is a lawyer practicing government relations, health care, medical malpractice and 5 other areas of law
  • John J. received a A.B. degree from College of the Holy Cross in 1973, and has been licensed for 50 years
  • John J. practices at Montross Miller Muller Mendelson & Kennedy, LLP in Indianapolis, IN

Practice Areas Explained

John J. Sullivan's Areas of Practice

Each practice area below reflects the types of cases John J. Sullivan handles, with a brief overview of what that area of law covers.

Trusts

John J. Sullivan is one of 104,171 trusts attorneys indexed nationally. Browse trusts attorneys in Indiana →

Probate

John J. Sullivan is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Indiana →

Medical Malpractice

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

John J. Sullivan is one of 49,086 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in Indiana →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

John J. Sullivan is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in Indiana →

Real Estate Law

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

John J. Sullivan is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Indiana →

Jurisdictional Context

Why local counsel matters in Indiana

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

Looking for additional Indiana attorneys? Browse all attorneys in Indianapolis or all attorneys in Indiana.

Frequently Asked

Common questions about John J. Sullivan

Where is John J. Sullivan's law office located?
John J. Sullivan's law practice is located in Indianapolis, Indiana. The firm is Montross Miller Muller Mendelson & Kennedy, LLP. You can contact the office directly through this profile page.
What practice areas does John J. Sullivan handle?
John J. Sullivan focuses on trusts, probate, medical malpractice, estate planning, real estate. Each practice area listed reflects experience handling cases of that type in Indiana.
How long has John J. Sullivan practiced law?
John J. Sullivan has 50+ years of legal experience and has been licensed since 1976.
Where did John J. Sullivan go to law school?
John J. Sullivan earned their education at (J.D., 1976); (A.B., 1973).
How can I contact John J. Sullivan for a consultation?
You can contact John J. Sullivan 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 John J. Sullivan received?
John J. Sullivan's notable recognition includes: AV Preeminent.

Education

J.D.
Indiana University
- 1976
A.B.
College of the Holy Cross
- 1973

Awards

AV Preeminent

Bar Admissions

Indiana
Admitted: 1976
U.S. Court of Appeals, Seventh Circuit
Admitted: 1982
U.S. Supreme Court
Admitted: 1986

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