Atty. Mark D. Lerner
Practices in the area personal injury litigation and health care law.
Profile Summary
About Mark D. Lerner at a glance
Mark D. Lerner is a health care attorney based in London, Ontario, practicing at Lerners LLP. They have 51+ years of legal experience, licensed to practice since 1975. Admitted to practice in Ontario (1975). Recognitions include Best Lawyers in America — Health Care Law (2026), Best Lawyers in America — Special Focus: (2026), and Best Lawyers in America — Product Liability (2026). Serves clients in London, ON and the surrounding metropolitan area.
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About
Practices in the area personal injury litigation and health care law
Practice Areas Explained
Mark D. Lerner's Areas of Practice
Each practice area below reflects the types of cases Mark D. Lerner handles, with a brief overview of what that area of law covers.
Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.
Mark D. Lerner is one of 59,895 health care attorneys indexed nationally. Browse health care attorneys in Ontario →
Jurisdictional Context
Why local counsel matters in Ontario
Practicing law in Ontario. Legal matters in Ontario are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in London are typically filed in the local municipal court or the appropriate Ontario state district court, depending on subject matter and amount in controversy. An attorney licensed in Ontario brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Ontario courts without local counsel or pro hac vice admission.
Looking for additional Ontario attorneys? Browse all attorneys in London or all attorneys in Ontario.
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