Atty. Mark Barrett
Mark Barrett is a lawyer practicing insurance law. Mark received a B.A. degree from McMaster University in 1986, and has been licensed for 30 years.
Insurance Law Attorney · 30+ Years Experience
Profile Summary
About Mark Barrett at a Glance
Mark Barrett is an Associate, practicing at O'Donnell, Robertson & Sanfilippo. They have 30+ years of legal experience, licensed to practice since 1996. Their practice focuses on insurance. Admitted to practice in Ontario (1996). Educated at University of Toronto (LL.B., 1994) and McMaster University (B.A., 1986). Active member of Canadian Bar Association.
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About Mark Barrett
- Mark Barrett is a lawyer practicing insurance law
- Mark received a B.A. degree from McMaster University in 1986, and has been licensed for 30 years
- Mark practices at O'Donnell, Robertson & Sanfilippo in Toronto, ON
Practice Areas Explained
Mark Barrett's Areas of Legal Practice
Each practice area below reflects the types of cases Mark Barrett handles, with a practical overview of what that area of law involves and how it may apply to your situation.
Insurance Law
Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.
Mark Barrett is one of 120,903 insurance attorneys indexed nationally. Browse insurance attorneys →
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Professional Profile
Why Clients in Your Area Choose Mark Barrett
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 Mark Barrett's practice in the field of insurance.
Decade-Tested Legal Experience
Mark Barrett brings 30+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Focused Insurance Practice
Concentrating on insurance means Mark Barrett's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.
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