Atty. John C. Mercer

Atty. John C. Mercer

John C. Mercer is a lawyer practicing admiralty & maritime, business, estate planning and 1 other area of law.

Tustin Tustin 48 yrs experience 48 year
Call (562) 573-3581 Book Appointment

Profile Summary

About John C. Mercer at a glance

John C. Mercer is a estate planning, business, and maritime attorney based in Tustin, California. They have 48+ years of legal experience, licensed to practice since 1978. Admitted to practice in Missouri (1978). Educated at University of Oregon School of Law J.D. (—). Serands clients in Tustin, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John C. Mercer is a lawyer practicing admiralty & maritime, business, estate planning and 1 other area of law
  • John has been licensed for 48 years
  • John practices in Tustin, CA

Practice Areas Explained

John C. Mercer's Areas of Practice

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

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 C. Mercer is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in California →

Business & Corporate Law

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

John C. Mercer is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Maritime & Admiralty Law

Maritime attorneys for Jones Act claims, longshore injury, cruise ship cases, and offshore matters.

John C. Mercer is one of 11,568 maritime attorneys indexed nationally. Browse maritime 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 Tustin 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 Tustin or all attorneys in California.

Frequently Asked

Common questions about John C. Mercer

Where is John C. Mercer's law office located?
John C. Mercer's law practice is located in Tustin, California. You can contact the office directly through this profile page.
What practice areas does John C. Mercer handle?
John C. Mercer focuses on estate planning, business, maritime. Each practice area listed reflects experience handling cases of that type in California.
How long has John C. Mercer practiced law?
John C. Mercer has 48+ years of legal experience and has been licensed since 1978.
Where did John C. Mercer go to law school?
John C. Mercer earned their education at (—).
How can I contact John C. Mercer for a consultation?
You can contact John C. Mercer 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

University of Oregon School of Law J.D.
- In Progress

Bar Admissions

Missouri
Admitted: 1978

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