Atty. William K. Orr

Atty. William K. Orr

William K. Orr is a lawyer practicing securities and mergers & acquisitions, corporate governance, corporate / commercial and 1 other area of law.

Toronto Toronto 48 yrs experience 48 year
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Profile Summary

About William K. Orr at a glance

William K. Orr is a Partner based in Toronto, Ontario, practicing at Fasken Martineau DuMoulin LLP. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on business, m&a, and international. Admitted to practice in Ontario (1978). Educated at Osgoode Hall Law School at York University (LL.B., 1976) and University of Toronto (B.A., 1973). Recognitions include AV Preeminent. Serands clients in Toronto, ON and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William K. Orr is a lawyer practicing securities and mergers & acquisitions, corporate governance, corporate / commercial and 1 other area of law
  • William K. received a B.A. degree from University of Toronto in 1973, and has been licensed for 48 years
  • William K. practices at Fasken Martineau DuMoulin LLP in Toronto, ON and 1 other location

Practice Areas Explained

William K. Orr's Areas of Practice

Each practice area below reflects the types of cases William K. Orr handles, with a brief overview of what that area of law covers.

Business & Corporate Law

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

William K. Orr is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Ontario →

Mergers & Acquisitions

William K. Orr is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in Ontario →

International Law

International law attorneys for cross-border transactions, trade, foreign investment, and treaties.

William K. Orr is one of 40,133 international attorneys indexed nationally. Browse international 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 Toronto 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 andnue, 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 Toronto or all attorneys in Ontario.

Frequently Asked

Common questions about William K. Orr

Where is William K. Orr's law office located?
William K. Orr's law practice is located in Toronto, Ontario. The firm is Fasken Martineau DuMoulin LLP. You can contact the office directly through this profile page.
What practice areas does William K. Orr handle?
William K. Orr focuses on business, m&a, international. Each practice area listed reflects experience handling cases of that type in Ontario.
How long has William K. Orr practiced law?
William K. Orr has 48+ years of legal experience and has been licensed since 1978.
Where did William K. Orr go to law school?
William K. Orr earned their education at (LL.B., 1976); (B.A., 1973).
How can I contact William K. Orr for a consultation?
You can contact William K. Orr 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.
What awards or recognition has William K. Orr received?
William K. Orr's notable recognition includes: AV Preeminent.

Education

LL.B.
Osgoode Hall Law School at York University
- 1976
B.A.
University of Toronto
- 1973

Awards

AV Preeminent

Bar Admissions

Ontario
Admitted: 1978

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