Denis Grigoras

Denis Grigoras n. prop.

Trial and appellate litigator combining civil litigation strategy with a corporate–commercial perspective. Focus on defamation, shareholder & oppression disputes, urgent commercial remedies, and reputation management.

Denis Grigoras represents clients in complex litigation and business disputes across Ontario. He brings broad courtroom experience to matters that demand careful strategy and decisive advocacy. Denis advises on defamation, shareholder and oppression disputes, urgent commercial remedies, and reputation-sensitive matters. Clients value his clear guidance, strategic focus, and disciplined preparation, whether navigating fast-moving motions or sustained proceedings. In every mandate, he delivers persuasive advocacy, practical judgment, and a commitment to achieving effective outcomes in challenging legal environments.

Focus & Services

Litigation & Business Disputes

Strategic advocacy on complex civil and commercial matters across Ontario.

Defamation & Reputation

Anti-SLAPP, media strategy, and reputation-sensitive disputes.

Shareholder & Oppression

Remedies for unfair prejudice, governance disputes, and buy-out strategies.

Urgent Commercial Remedies

Injunctions, preservation orders, and focused motions on short timelines.

ADR & Arbitration

Negotiation, mediation, and arbitral process tailored to risk and outcome.

Appellate Advocacy

Disciplined records, focused facta, and clear oral submissions in Ontario courts.

Denis Grigoras

Denis Grigoras

Lawyer

Background

Denis is a multifaceted lawyer whose practice encompasses sophisticated commercial litigation, defamation claims, and intricate business and real estate transactions. He regularly serves as lead counsel in complex litigation matters, combining strategic advocacy with skilled negotiation to effectively structure and close commercial deals involving multiple parties and stakeholders.

Practice Areas

  • Commercial Litigation
  • Business and Corporate Law
  • Defamation and Reputation
    Management

Denis regularly acts as lead counsel in significant commercial litigation matters, complex defamation disputes, and sophisticated business transactions, providing strategic guidance and advocacy to achieve client goals.

Education

  • B.A. (Hons), Western University (2002)
  • Joint J.D./LL.B., University of Detroit & University of Windsor (2005)
  • Admitted to the Ontario Bar, 2007
  • Admitted to the State Bar of Nevada, 2008

Representative Work

ONSC Defamation / Anti-SLAPP 2024

Fiddick’s Nursing Home Limited v. Moore et al., [2024] O.J. No. 630

Counsel for defendants on a successful anti-SLAPP motion in a defamation action concerning tweets (original and reposted) and related newspaper comments.

Cross-border / Commercial

Cross-border asset purchase litigation (Ontario & Missouri)

Counsel to Missouri-based LLCs defending Ontario claims alleging civil conspiracy, misrepresentation, and breach of the duty of honest and good-faith performance. Parallel Missouri proceedings raised forum non conveniens, which proved decisive.

M&A $MM

Transportation company asset sale

Acted for a Southwestern Ontario trucking company in its multi-million-dollar asset sale to a national logistics provider.

Contract / Consumer Protection

Services contract / liquidated damages dispute

Counsel to Michigan-based individuals in resolving a dispute with an Ontario company claiming liquidated damages. Matter involved a consumer “future performance agreement” under Ontario’s Consumer Protection Act.

Personal Injury

Zip-line injury settlement

Achieved a substantial settlement for a client injured in a ski-hill zip-lining accident. Issues centered on the enforceability of liability waivers.

Privacy / Procedure

Consolidation of privacy actions

Successfully argued a motion to consolidate two separate breach-of-privacy claims from different jurisdictions against common defendants, based on shared factual and legal issues.

Arbitration / Solicitors’ Assessments

Stay of solicitor’s assessment (arbitration clause)

Obtained a stay of a solicitor’s assessment due to a clause requiring fee disputes to be arbitrated under the ADR Chambers Regular Arbitration Rules.

Media & Government Contracts

High-profile media inquiries

Provided strategic counsel in responding to significant media scrutiny regarding a client’s government contract.

Sensitive Claims

Historical abuse allegations

Counsel to clients facing sensitive, high-stakes allegations of historical sexual abuse.

Secured Debt

Promissory note / repayment dispute

Resolved a dispute concerning repayment of a significant loan secured by a promissory note issued by a publicly traded company.

Property / Nuisance

Neighbour dispute (nuisance)

Counsel to clients in a claim against neighbouring parties and others for actions constituting nuisance.

Defamation / Employment

Defamation arising from dismissal

Counsel in a defamation claim stemming from a disputed dismissal following allegations of sexual misconduct.

Defamation / Public Law

Defamation during municipal election

Counsel in a defamation claim arising from a contentious municipal election campaign.

Tort / Motor Vehicle

Fatality claim against intoxicated driver

Counsel to the family of a deceased individual in a civil claim against an intoxicated driver who was criminally convicted.

Environmental / Agriculture

Crop damage — Environmental Protection Act

Counsel to a farming client in a nuisance and Environmental Protection Act claim against a neighbour whose herbicide use caused extensive crop damage.

Consumer Protection / Shipping

Failed international shipment (luxury vehicles)

Counsel to a client in a Consumer Protection Act claim against a shipper arising from the failed international shipment of luxury vehicles.

Corporate / Oppression

Oppression application (energy & ag co-operative)

Defence of a longstanding agricultural and energy co-operative in an oppression application arising from a disputed commercial venture.

Personal Injury / High-profile

Alleged disease transmission at event

Counsel to the defendant in a high-profile personal injury lawsuit involving allegations of disease transmission during a professional wrestling event.

Real Estate / Transactions $47.5M

Land acquisition & hospital put option

Acted for a real estate development entity in a $47.5-million land acquisition, including negotiation of a put option to acquire a private hospital for $13 million.

ONSC Family / Insolvency 2023

Bleck v. Stevenson, [2023] O.J. No. 765

Counsel on a family law motion successfully seeking a declaration that proceedings were a nullity, dismissal or stay under the Bankruptcy and Insolvency Act, and discharge of a certificate of pending litigation obtained ex parte.

Confidential consultation

09000 00000

65 Queen Street west, Suite 1240, toronto, Ontario M5H 2M5

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