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Atty. Thomas S. Onyshko

Atty. Thomas S. Onyshko

Thomas S. Onyshko is a lawyer practicing competition, marketing, advertising law and 4 other areas of law.

29 yrs experience 29 year
Call (416) 924-5969 Book Appointment

Profile Summary

About Thomas S. Onyshko at a glance

Thomas S. Onyshko is a business, ip, and entertainment attorney. They have 29+ years of legal experience, licensed to practice since 1997. Admitted to practice in Ontario (1997). Educated at Carleton University (Master, 1992) and University of Manitoba (LL.B. University, 1988).

Verified attorney profile · Updated June 2026

About

  • Thomas S. Onyshko is a lawyer practicing competition, marketing, advertising law and 4 other areas of law
  • Thomas S. received a degree from Carleton University in 1992, and has been licensed for 29 years
  • Thomas S. practices in Toronto, ON

Practice Areas Explained

Thomas S. Onyshko's Areas of Practice

Each practice area below reflects the types of cases Thomas S. Onyshko 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.

Thomas S. Onyshko 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.

Thomas S. Onyshko is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys →

Entertainment & Sports Law

Entertainment lawyers for music, film, sports contracts, talent representation, and IP licensing.

Thomas S. Onyshko is one of 45,946 entertainment attorneys indexed nationally. Browse entertainment attorneys →

Frequently Asked

Common questions about Thomas S. Onyshko

What practice areas does Thomas S. Onyshko handle?
Thomas S. Onyshko focuses on business, ip, entertainment. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How long has Thomas S. Onyshko practiced law?
Thomas S. Onyshko has 29+ years of legal experience and has been licensed since 1997.
Where did Thomas S. Onyshko go to law school?
Thomas S. Onyshko earned their education at (Master, 1992); (LL.B. University, 1988).
How can I contact Thomas S. Onyshko for a consultation?
You can contact Thomas S. Onyshko 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

Master
Carleton University
- 1992
LL.B. University
University of Manitoba
- 1988

Bar Admissions

Ontario
Admitted: 1997

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