Atty. John Greer Marko

Atty. John Greer Marko

John Greer Marko is a lawyer practicing criminal law. John Greer received a B.A. degree from University of Toronto in 1984, and has been licensed for 37 years.

37 yrs experience 37 year
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Criminal Law Attorney · 37+ Years Experience

Profile Summary

About John Greer Marko at a Glance

John Greer Marko is a criminal defense attorney. They have 37+ years of legal experience, licensed to practice since 1989. Admitted to practice in Ontario (1989). Educated at Osgoode Hall (LL.B., 1987) and University of Toronto (B.A., 1984).

Verified attorney profile · Updated October 2026

About John Greer Marko

  • John Greer Marko is a lawyer practicing criminal law
  • John Greer received a B.A. degree from University of Toronto in 1984, and has been licensed for 37 years
  • John Greer practices in Toronto, ON

Practice Areas Explained

John Greer Marko's Areas of Legal Practice

Each practice area below reflects the types of cases John Greer Marko handles, with a practical overview of what that area of law involves and how it may apply to your situation.

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

John Greer Marko is one of 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys →

Frequently Asked

Common Questions About John Greer Marko

What practice areas does John Greer Marko handle?
John Greer Marko focuses on criminal defense. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How long has John Greer Marko practiced law?
John Greer Marko has 37+ years of legal experience and has been licensed since 1989.
Where did John Greer Marko go to law school?
John Greer Marko earned their education at (LL.B., 1987); (B.A., 1984).
How can I contact John Greer Marko for a consultation?
You can contact John Greer Marko 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.

Professional Profile

Why Clients in Your Area Choose John Greer Marko

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish John Greer Marko's practice in the field of criminal defense.

Decade-Tested Legal Experience

John Greer Marko brings 37+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Focused Criminal Defense Practice

Concentrating on criminal defense means John Greer Marko's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.

Search Reference

How People Find John Greer Marko Online

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John Greer Marko's Practice Areas & Specializations

Education & Law School Background

LL.B.
Osgoode Hall
- 1987
B.A.
University of Toronto
- 1984

Bar Admissions & Licensed Jurisdictions

Ontario
Admitted: 1989

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