Atty. John D. Coyne

Atty. John D. Coyne

John D. Coyne is a lawyer practicing corporate law, antitrust & trade regulation, intellectual property and 2 other areas of law.

40 yrs experience 40 year
Call (416) 214-5267 Book Appointment

Profile Summary

About John D. Coyne at a glance

John D. Coyne is a employment, business, ip, and m&a attorney. They have 40+ years of legal experience, licensed to practice since 1986. Admitted to practice in Ontario (1986). Educated at Osgoode Hall, Toronto (LL.B., 1984) and Queen's University B.A. Hons. 1981 (—).

Verified attorney profile · Updated June 2026

About

  • John D. Coyne is a lawyer practicing corporate law, antitrust & trade regulation, intellectual property and 2 other areas of law
  • John D. received a degree from Queen's University, and has been licensed for 40 years
  • John D. practices in Toronto, ON

Practice Areas Explained

John D. Coyne's Areas of Practice

Each practice area below reflects the types of cases John D. Coyne handles, with a brief overview of what that area of law covers.

Employment Law

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

John D. Coyne is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys →

Business & Corporate Law

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

John D. Coyne is one of 501,317 business attorneys indexed nationally. Browse business attorneys →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

John D. Coyne is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys →

Mergers & Acquisitions

John D. Coyne is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys →

Frequently Asked

Common questions about John D. Coyne

What practice areas does John D. Coyne handle?
John D. Coyne focuses on employment, business, ip, m&a. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How long has John D. Coyne practiced law?
John D. Coyne has 40+ years of legal experience and has been licensed since 1986.
Where did John D. Coyne go to law school?
John D. Coyne earned their education at (LL.B., 1984); (—).
How can I contact John D. Coyne for a consultation?
You can contact John D. Coyne 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.

Education

LL.B.
Osgoode Hall, Toronto
- 1984
Queen's University B.A. Hons. 1981
- In Progress

Bar Admissions

Ontario
Admitted: 1986

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