About Bergsteins

Bergsteins is a small Toronto firm run by a single lawyer, Corey Bergstein, from an office at 393 University Avenue in the city's downtown core. Bergstein was called to the Bar of Ontario in 2000 and holds registrations as a Trade-mark Agent (2000) and a Patent Agent (2003). Those credentials sit on top of a Bachelor of Science (Honours) in Applied Physics from the University of Waterloo (1993) and an LL.B. from Osgoode Hall Law School (1998), a science background that feeds directly into an intellectual property practice covering patents, trademarks, copyright, and industrial design, alongside business and corporate work and civil litigation.

The litigation side of the practice has taken the firm before Ontario courts at every level, including the Court of Appeal, as well as the Federal Court and Federal Court of Appeal, and before quasi-judicial bodies such as the Trade-marks Opposition Board and the Patent Appeals Board. For protecting IP rights outside Canada, the firm works through a network of associates in the US, Europe, and beyond. On the business side, clients range from sole proprietorships and startups to established international and publicly traded companies, and the firm says it keeps fees down by using clerks and agents and offering flat and variable rate arrangements instead of large-firm billing.

Milestones & recognition

  • Corey Bergstein was called to the Bar of Ontario in 2000.
  • Registered as a Trade-mark Agent in 2000 and a Patent Agent in 2003.
  • Holds a Bachelor of Science (Honours) in Applied Physics from the University of Waterloo (1993) and an LL.B. from Osgoode Hall Law School (1998).
  • Has appeared before Ontario courts at every level, including the Court of Appeal, the Federal Court and Federal Court of Appeal, and tribunals including the Trade-marks Opposition Board and the Patent Appeals Board.

Good to know

A person using a wheelchairWheelchair accessibleA laptop showing a video callVirtual appointmentsAn office interior with a desk and chairsIn-person services

The neighbourhood

The firm's office is at 393 University Avenue in the heart of downtown Toronto. University Avenue itself is known for lining up legal institutions like Osgoode Hall alongside major hospitals further north and landmark office towers for the financial and insurance sector, a fitting stretch of the city for a firm whose litigation work regularly takes it into Ontario's courtrooms and before federal tribunals.

Frequently asked questions

Can Bergsteins help me register a trademark in Canada?
Yes. The firm prepares, files, and prosecutes trademark applications in Canada and abroad, handles oppositions, and advises on the difference between common law and registered trademark rights.
Does Bergsteins handle patent applications?
Yes. Corey Bergstein is a registered Patent Agent and the firm prepares and prosecutes patent applications in Canada and internationally, along with infringement and validity opinions.
I'm starting a business in Toronto, can Bergsteins help incorporate it?
Yes. The firm works with businesses from sole proprietorships and startups through to established international and publicly traded companies on incorporation, shareholder agreements, and corporate governance.
Does Bergsteins go to court, or only handle paperwork?
Both. Alongside its IP and business work, the firm handles civil litigation and has appeared before Ontario courts at every level, including the Court of Appeal, and before the Federal Court.
How big is Bergsteins and who handles my file?
Bergsteins is a small firm built around a single lawyer, Corey Bergstein, who handles business, IP, and litigation matters personally, with clerks and agents used to help keep costs down.
Where is Bergsteins located and how do I reach the firm?
The office is at 393 University Avenue, Suite 2000, in downtown Toronto. The firm can be reached by phone at (416) 961-3100 or by email.

Where to find them

393 University Avenue, Suite 2000, Toronto, Ontario, Canada M5G 1E6 · 416-961-3100

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Listing compiled from the firm’s public website in July 2026. Verify licence status in the Law Society of Ontario directory ↗