Atty. Peter R. O'Brien

Atty. Peter R. O'Brien

Peter R. O'Brien is a lawyer practicing corporate law, commercial law, mergers and acquisitions and 1 other area of law.

55 yrs experience 55 year
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Profile Summary

About Peter R. O'Brien at a glance

Peter R. O'Brien is a Member, practicing at O'Brien Law Firm. They have 55+ years of legal experience, licensed to practice since 1971. Their practice focuses on business, m&a, and adr. Admitted to practice in Quebec (1971). Educated at Laval University (LL.L., 1970) and University of Bishop's College (B.A., 1967). Recognitions include AV Preeminent. Active member of Quebec, Montreal and Canadian Bar Associations.

Verified attorney profile · Updated June 2026

About

  • Peter R. O'Brien is a lawyer practicing corporate law, commercial law, mergers and acquisitions and 1 other area of law
  • Peter R. received a B.A. degree from University of Bishop's College in 1967, and has been licensed for 55 years
  • Peter R. practices at O'Brien Law Firm in Montreal, QC

Practice Areas Explained

Peter R. O'Brien's Areas of Practice

Each practice area below reflects the types of cases Peter R. O'Brien 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.

Peter R. O'Brien is one of 501,317 business attorneys indexed nationally. Browse business attorneys →

Mergers & Acquisitions

Peter R. O'Brien is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys →

Mediation & Arbitration

Mediators and arbitrators for civil, commercial, family, and employment dispute resolution.

Peter R. O'Brien is one of 73,906 adr attorneys indexed nationally. Browse adr attorneys →

Frequently Asked

Common questions about Peter R. O'Brien

What practice areas does Peter R. O'Brien handle?
Peter R. O'Brien focuses on business, m&a, adr. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How long has Peter R. O'Brien practiced law?
Peter R. O'Brien has 55+ years of legal experience and has been licensed since 1971.
Where did Peter R. O'Brien go to law school?
Peter R. O'Brien earned their education at (LL.L., 1970); (B.A., 1967).
How can I contact Peter R. O'Brien for a consultation?
You can contact Peter R. O'Brien 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 Peter R. O'Brien received?
Peter R. O'Brien's notable recognition includes: AV Preeminent.

Education

LL.L.
Laval University
- 1970
B.A.
University of Bishop's College
- 1967

Awards

AV Preeminent

Bar Admissions

Quebec
Admitted: 1971

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