Atty. John Warren
John Warren is a lawyer practicing investment management, financial services regulatory group, corporate commercial. John received a B.A. degree from University of Western Ontario in 1963, and has been licensed for 58 years.
Corporate/Commercial & More Attorney · 58+ Years Experience
Profile Summary
About John Warren at a Glance
John Warren is a business attorney. They have 58+ years of legal experience, licensed to practice since 1968. Admitted to practice in Ontario (1968). Educated at University of Western Ontario (LL.B., 1966) and University of Western Ontario (B.A., 1963). Recognitions include AV Preeminent.
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About John Warren
- John Warren is a lawyer practicing investment management, financial services regulatory group, corporate commercial
- John received a B.A. degree from University of Western Ontario in 1963, and has been licensed for 58 years
- John practices in Toronto, ON
Practice Areas Explained
John Warren's Areas of Legal Practice
Each practice area below reflects the types of cases John Warren handles, with a practical overview of what that area of law involves and how it may apply to your situation.
Business & Corporate Law
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
John Warren is one of 497,491 business attorneys indexed nationally. Browse business attorneys →
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Professional Profile
Why Clients in Your Area Choose John Warren
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 Warren's practice in the field of business.
Decade-Tested Legal Experience
John Warren brings 58+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Focused Business Practice
Concentrating on business means John Warren'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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