Atty. Jay Duffield

Atty. Jay Duffield

Jay Duffield is a lawyer practicing corporate, securities and corporate finance, venture technology and emerging growth companies and 4 other areas of law. Jay received a degree from University of Western Ontario in 1987, and has been licensed for 34 years.

34 yrs experience 34 year
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Corporate & More Attorney · 34+ Years Experience

Profile Summary

About Jay Duffield at a Glance

Jay Duffield is a Partner, practicing at Dentons Canada LLP. They have 34+ years of legal experience, licensed to practice since 1992. Their practice focuses on business and m&a. Admitted to practice in Ontario (1992). Educated at Osgoode Hall (LL.B. University, 1990) and University of Western Ontario (H.B.A., 1987). Recognitions include Peer Reviewed. Active member of IT.Can, Activities and Affiliations •Canada's Venture Capital & Private Equity Association •Canadian Bar Association •Canadian IT Law Association.

Verified attorney profile · Updated October 2026

About Jay Duffield

  • Jay Duffield is a lawyer practicing corporate, securities and corporate finance, venture technology and emerging growth companies and 4 other areas of law
  • Jay received a degree from University of Western Ontario in 1987, and has been licensed for 34 years
  • Jay practices at Dentons Canada LLP in Toronto, ON

Practice Areas Explained

Jay Duffield's Areas of Legal Practice

Each practice area below reflects the types of cases Jay Duffield 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.

Jay Duffield is one of 497,491 business attorneys indexed nationally. Browse business attorneys →

Mergers & Acquisitions

Jay Duffield is one of 49,430 m&a attorneys indexed nationally. Browse m&a attorneys →

Frequently Asked

Common Questions About Jay Duffield

What practice areas does Jay Duffield handle?
Jay Duffield focuses on business, m&a. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How long has Jay Duffield practiced law?
Jay Duffield has 34+ years of legal experience and has been licensed since 1992.
Where did Jay Duffield go to law school?
Jay Duffield earned their education at (LL.B. University, 1990); (H.B.A., 1987).
How can I contact Jay Duffield for a consultation?
You can contact Jay Duffield 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 Jay Duffield received?
Jay Duffield's notable recognition includes: Peer Reviewed.

Professional Profile

Why Clients in Your Area Choose Jay Duffield

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 Jay Duffield's practice in the field of business and m&a.

Decade-Tested Legal Experience

Jay Duffield brings 34+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Broad Practice Area Coverage

Covering business and m&a, Jay Duffield can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Search Reference

How People Find Jay Duffield Online

Prospective clients searching for legal help in this area commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Jay Duffield.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Jay Duffield directly.

Education & Law School Background

LL.B. University
Osgoode Hall
- 1990
H.B.A.
University of Western Ontario
- 1987

Awards & Professional Honors

Peer Reviewed

Bar Admissions & Licensed Jurisdictions

Ontario
Admitted: 1992

Client Reviews & Ratings — Jay Duffield

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