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The following list includes information about active litigation before the Ontario Superior Court of Justice Commercial List, Federal Court, Federal Court of Appeal, and Supreme Court of Canada.

Released Date: 12 May 2026

Constantine Enterprises Inc. v Mizrahi (128 Hazelton) Inc. et al

CourtSuperior Court of Justice - Ontario

Case NumberCV-24-00715321-00CL

Practice AreaCorporate & commercial law

Firms InvolvedCassels Brock & Blackwell LLP, Morse Trafford LLP, Norton Rose Fulbright Canada LLP
Hearing Date: 12 May 2026

QSL Canada Inc. v. Compass Minerals Canada Corp.

CourtFederal Court

Case NumberT-71-24

Practice AreaMaritime law

Firms InvolvedBrisset Bishop s.e.n.c., Fasken Martineau DuMoulin LLP
Hearing Date: 12 May 2026

Karle Patents Inc. v. Schneider Electric Canada Inc.

CourtFederal Court

Case NumberT-821-25

Practice AreaIntellectual property

Firms InvolvedNissen Patent Law, Smart & Biggar LLP
Hearing Date: 12 May 2026

Therese Lennert v. Attorney General of Canada

CourtFederal Court of Appeal

Case NumberA-314-24

Practice AreaAdministrative law

Firms InvolvedSelf Represented, Department of Justice Canada
Hearing Date: 12 May 2026

Aly Khan Pira v. The Minister of National Revenue

CourtFederal Court

Case NumberT-3813-25

Practice AreaTaxation

Firms InvolvedSelf Represented, Department of Justice Canada
Hearing Date: 12 May 2026

Manjit Kaur v. Attorney General of Canada

CourtFederal Court

Case NumberT-551-25

Practice AreaAdministrative law

Firms InvolvedSelf Represented, Department of Justice Canada
Hearing Date: 12 May 2026

Mohan Singh v. Attorney General of Canada

CourtFederal Court

Case NumberT-552-25

Practice AreaAdministrative law

Firms InvolvedSelf Represented, Department of Justice Canada
Hearing Date: 12 May 2026

Andrei Gheorghiu v. Canada Revenue Agency

CourtFederal Court

Case NumberT-259-24

Practice AreaTaxation

Firms InvolvedSelf Represented, Department of Justice Canada
Hearing Date: 12 May 2026

Peter Voudouris v. AGC

CourtFederal Court

Case NumberT-3454-25

Practice AreaTaxation

Firms InvolvedLeigh Somerville Taylor Professional Corporation, Department of Justice Canada
Hearing Date: 12 May 2026

Cartesian Theatre Corp. v. Cohesity, Inc.

CourtFederal Court

Case NumberT-2636-24

Practice AreaIntellectual property

Firms InvolvedWestPoint Law Group, Gowling WLG