Atty. John Martin Sullivan

Atty. John Martin Sullivan

John Martin Sullivan is a lawyer practicing civil practice, contracts, debtor & creditor and 6 other areas of law. John received a B.S. degree from California State Polytechnic University in 1969, and has been licensed for 44 years.

Laguna Niguel Laguna Niguel 44 yrs experience 44 year
Call (657) 279-7943 Book Appointment

Profile Summary

About John Martin Sullivan at a glance

John Martin Sullivan is a Member based in Laguna Niguel, California, practicing at John M Sullivan. They have 44+ years of legal experience, licensed to practice since 1982. Their practice focuses on contracts, medical malpractice, personal injury, creditor rights, and product liability. Admitted to practice in California (1982). Educated at California State Polytechnic University (B.S., 1969). Active member of Eastern Bar Association of Los Angeles County, Los Angeles County and American Bar Associations State Bar of California. Serands clients in Laguna Niguel, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Martin Sullivan is a lawyer practicing civil practice, contracts, debtor & creditor and 6 other areas of law
  • John received a B.S. degree from California State Polytechnic University in 1969, and has been licensed for 44 years
  • John practices at John M. Sullivan in Laguna Niguel, CA

Practice Areas Explained

John Martin Sullivan's Areas of Practice

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

Contracts

John Martin Sullivan is one of 76,762 contracts attorneys indexed nationally. Browse contracts attorneys in California →

Medical Malpractice

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

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

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.

John Martin Sullivan is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in California →

Creditor Rights & Collections

John Martin Sullivan is one of 42,948 creditor rights attorneys indexed nationally. Browse creditor rights attorneys in California →

Product Liability

John Martin Sullivan is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in California →

Jurisdictional Context

Why local counsel matters in California

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

Looking for additional California attorneys? Browse all attorneys in Laguna Niguel or all attorneys in California.

Frequently Asked

Common questions about John Martin Sullivan

Where is John Martin Sullivan's law office located?
John Martin Sullivan's law practice is located in Laguna Niguel, California. The firm is John M Sullivan. You can contact the office directly through this profile page.
What practice areas does John Martin Sullivan handle?
John Martin Sullivan focuses on contracts, medical malpractice, personal injury, creditor rights, product liability. Each practice area listed reflects experience handling cases of that type in California.
How long has John Martin Sullivan practiced law?
John Martin Sullivan has 44+ years of legal experience and has been licensed since 1982.
Where did John Martin Sullivan go to law school?
John Martin Sullivan earned their education at (B.S., 1969).
How can I contact John Martin Sullivan for a consultation?
You can contact John Martin 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.

Education

B.S.
California State Polytechnic University
- 1969

Bar Admissions

California
Admitted: 1982

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