Aaron Blumenfeld


[email protected]

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Aaron has a broad litigation practice, representing clients in disputes concerning fraud, intellectual property, estates, insolvencies, securities and other commercial matters.

He works with clients in a variety of industries, such as:

  • pharmaceutical
  • advertising
  • graphic arts
  • car dealerships
  • real estate
  • software
  • environmental
  • entertainment

Aaron fournit des services juridiques par l’intermédiaire d’une société professionnelle.


  • Acted for government agencies in complex claims on behalf of charitable interests and persons with disabilities against executors of estates.
  • Advised clients in multi-faceted international insolvency and fraud matters, including contempt proceedings.
  • Advised clients on the enforcement of foreign judgments and orders and conflict of laws issues.
  • Acted for companies in intellectual property disputes, including injunctive relief.
  • Represented shareholders in disputes over ownership of corporations and in cases of corporate wrongdoing, including oppression remedy and derivative action proceedings.
  • Advised investment advisors and investment and securities companies in claims for negligent investment advice.
  • Acted for clients on suits claiming breach of lending commitments by financial institutions.
  • Advised clients with competition (anti-trust) issues.
  • Acted for beneficiaries of a large estate in proceedings to remove an executor for malfeasance and recover money.
  • Represented publisher in intellectual property claim regarding ownership of idea for publication.
  • Advised franchisors in proceedings by franchisees for rescission of contract.

Beyond our Walls

Professional Involvement

  • Advisor, the Canadian Coalition Against Terror, lead advocacy group for Bill C-35, An Act to amend the State Immunity Act and the Criminal Code, on permitting suits against foreign state sponsors of terrorism
  • Advisor, various community organizations, on dealing with the provincial government on education matters
  • Advisor, various community organizations, on dealing with the federal government on charities matters
  • Former co-president, Ontario Association of Jewish Day Schools

Bar Admission & Education

  • Ontario, 1995
  • LLB, Université de Toronto, 1993 (ranked first in the class in his third year)
  • AB, highest honours, Woodrow Wilson School of the Public and Interntaional Affairs, Princeton University, 1989