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Civil procedure 2026 ONCA 108

Rahman v. Peel Standard Condominium Corporation No. 779

The Court of Appeal upheld dismissal of Aqib Rahman’s action as an abuse of process and res judicata, but set aside the leave requirement for future proceedings.

  • Abuse of process
  • Res judicata
  • Cause of action estoppel
  • Issue estoppel
  • Vexatious litigant order
  • Leave to commence proceedings
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Civil procedure 2026 ONCA 84

Seferovic v. 285 Spadina SPV Inc.

Ontario Court of Appeal dismissed an appeal as frivolous and abusive because Ronald Hitti filed without the leave required by a vexatious litigant order.

  • Abuse of process
  • Rule 2.1.01
  • S.140 courts of justice act
  • Leave to commence proceedings
  • Representation and self-representation
  • Abuse-of-process
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Competition law 2026 Comp Trib 3

Martin - Order and Reasons (Application for leave under section 103.1)

The Tribunal adopts an adapted three-part public interest standing test for the public interest branch of subsection 103.1(7): (1) whether the proposed application raises a substantial and genuine competition law dispute under the specified provision; (2) whether the applicant has a genuine interest in the matter; and (3) whether the proposed proceeding is a reasonable and effective means to resolve the issues. Applying that test to the materials filed, the applicant failed to demonstrate sufficient evidence or capacity under the second and especially the third step to be "satisfied" that gra…

  • Abuse of dominance
  • Anti-competitive agreements
  • Public interest standing
  • Leave to commence proceedings
  • Monetary remedies under the competition act
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Civil procedure 2025 BCSC 2450

Martin v. Canada (Attorney General)

The court dismissed Maria Martin’s application for leave to file another civil claim, finding it time-barred, abusive, and barred by an existing vexatious litigant order.

  • Vexatious litigant
  • Leave to commence proceedings
  • Abuse of process
  • Limitation period
  • Costs (special)
  • Vexatious-litigant
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Civil procedure 2025 ONCA 841

Lenczner Slaght LLP v. GlycoBioSciences Inc.

The Court of Appeal upheld an order declaring GlycoBioSciences Inc. and Kevin Drizen vexatious litigants under s. 140 of the Courts of Justice Act and dismissed the appeal.

  • Vexatious litigant order
  • Section 140 courts of justice act
  • Costs awards
  • Leave to commence proceedings
  • Vexatious-litigant-order
  • Courts-of-justice-act
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Civil 2025 ONCA 719

Aizic v. Natcan Trust Company

The Court of Appeal held that leave requirements in class certification orders did not apply to related actions brought by non-class members.

  • Certification orders
  • Leave to commence proceedings
  • Stay of proceedings
  • Case management
  • Limitation period
  • Abuse of process
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Administrative law 2025 FC 1357

Hrabovskyy v. Canada (Global Affairs)

The Federal Court dismissed Volodymyr Hrabovskyy’s leave motion under s. 40(4) FCA, finding his materials inadmissible, the proposed proceeding abusive, and no reasonable grounds shown.

  • Vexatious litigant
  • Leave to commence proceedings
  • Abuse of process
  • Access to information
  • Hague convention on service
  • Costs
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Civil procedure 2025 BCCA 232

Walker v. Kierans

The British Columbia Court of Appeal dismissed Kathleen Walker’s appeal from an adjournment refusal and a vexatious litigant order made against her.

  • Vexatious litigant orders
  • Adjournment
  • Procedural fairness
  • Leave to commence proceedings
  • Vexatious-litigant-orders
  • Procedural-fairness
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Administrative law 2025 BCSC 1162

Pereira v. Dexterra Group Inc

The court declared Corinne Pereira a vexatious litigant under s. 18 of the Supreme Court Act and barred new proceedings without leave, except family law matters.

  • Section 18 supreme court act
  • Vexatious proceedings
  • Duty of fair representation
  • Res judicata
  • Abuse of process
  • Leave to commence proceedings
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Civil procedure 2025 FCA 66

Hutton v. Sayat

The Federal Court properly exercised its discretion in declaring the appellant a vexatious litigant and quashing or discontinuing specified Federal Court proceedings because of the appellant’s extensive abusive litigation history, non-compliance, lack of credible probative evidence showing merits (claims grounded in delusional beliefs), and risk of harassment; the Assistant Deputy Attorney General validly consented under s.40(2); the leave requirement and quashings were proportionate; costs awards including solicitor-client costs were appropriate; no palpable and overriding error disclosed on…

  • Vexatious litigant
  • Quashing of proceedings doomed to fail
  • Judicial review
  • Solicitor-client costs
  • Leave to commence proceedings
  • Admissibility of new evidence on appeal
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