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Canada Case Law

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Communications law 2025 SCC 15

Telus Communications Inc. v. Federation of Canadian Municipalities

The Supreme Court held that “transmission line” in the Telecommunications Act means wireline infrastructure only, excluding 5G small cell antennas from the access regime.

  • Access to transmission lines
  • 5g small cell deployment
  • Crtc jurisdiction
  • Interplay with radiocommunication act
  • Technological neutrality
  • Federalism
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Labour law 2025 FCA 64

East Coast Hydraulics & Machinery (2009) Limited v. International Longshoremen's Association, Local 1976

The Board erred as a matter of law by taking jurisdiction and granting certification without applying the applicable federalism framework and without a sufficient factual record to support a jurisdictional finding; the appropriate remedy is to quash the Order and remit the matter to the Board for redetermination by a different panel.

  • Federalism
  • Jurisdiction
  • Certification
  • Longshoring
  • Canada industrial relations board
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Constitutional law 2024 SCC 40

Sanis Health Inc. v. British Columbia

The Supreme Court of Canada upheld s. 11 of British Columbia’s opioid recovery legislation, finding it procedural and within provincial jurisdiction.

  • Division of powers
  • Extraterritoriality
  • Administration of justice
  • Class proceedings procedure
  • Crown litigation autonomy
  • Ancillary powers doctrine
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Constitutional law 2023 SCC 23

Reference re Impact Assessment Act

The Supreme Court held that the Impact Assessment Act is unconstitutional in part, but upheld ss. 81 to 91 for federal projects on federal lands or outside Canada.

  • Division of powers
  • Impact assessment
  • Public interest decision
  • Effects within federal jurisdiction
  • Severance
  • Presumption of constitutionality
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Maritime law 2023 FC 738

Fraser Point Holdings Ltd. v. Vision Marine Technologies Inc.

The Federal Court dismissed the defendant’s appeal from an order refusing to strike a maritime claim, holding jurisdiction remained where Canadian maritime law validly applied alongside Quebec law.

  • Jurisdiction
  • Choice of law
  • Double aspect doctrine
  • Federalism
  • Sale of goods
  • Seaworthiness
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Administrative law 2022 BCSC 579

Canada Mink Breeders Association v. HMTQ

The court dismissed a request to suspend B.C. mink-breeding restrictions, finding a serious issue and irreparable harm but holding the public-interest balance favoured the Province.

  • Ultra vires challenge (s.91(2) trade and commerce)
  • Scope of enabling statute (animal health act)
  • Interim injunction/stay test (rjr)
  • Procedural fairness in legislative/regulatory decision making
  • Balance of convenience and public interest
  • Zoonotic disease risk policy
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Constitutional law 2020 FCA 74

Quebec (Attorney General) v. Picard

Because the band councils are the employers and the normal and habitual activities of the Indigenous police forces are inseparable from band governance, the band councils constitute federal undertakings for labour relations purposes and the police officers’ employment is included employment under the PBSA, so OSFI retains supervisory authority over the Plan.

  • Division of powers
  • Included employment (pbsa)
  • Functional test
  • Interjurisdictional immunity
  • Pension plan registration
  • Federalism
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Labour and employment law 2019 ONCA 859

Ramkey Communications Inc. v. Labourers' International Union of North America

The Divisional Court erred by disregarding the Board's finding that Rogers was not dependent on Ramkey's construction technicians; because the effective performance of the federal telecommunications undertaking was not dependent on those particular employees, the presumption of provincial jurisdiction was not displaced and the Board's provincial certification is restored.

  • Derivative jurisdiction
  • Federalism
  • Labour relations certification
  • Jurisdictional dispute
  • Dependency analysis
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Constitutional law 2018 FC 1236

Papouchine v. Best Buy Canada

Federal Court dismissed judicial review of a CHRC decision, holding Best Buy was not under federal jurisdiction and that the CHRC properly declined to deal with the complaint.

  • Jurisdiction
  • Trade and commerce vs property and civil rights
  • Internet commerce and jurisdiction
  • Standard of review (correctness)
  • Issue estoppel
  • Internet-commerce
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Administrative law 2018 FC 530

Fédération des francophones de la Colombie-Britannique v. Canada

Fédération des francophones de la Colombie-Britannique v. Canada (Employment and Social Development)

Federal Court dismissed an Official Languages Act application concerning BC’s labour market agreement delivery and found no Part VII breach at the complaint date.

  • Official languages act part iv
  • Official languages act part vii
  • Section 25 ola "on behalf of"
  • Section 41 ola "positive measures"
  • Division of powers (pith and substance, double aspect)
  • Interjurisdictional immunity
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Canada decisions are organised by court, judge, legal area and indexed issue so a practitioner can move from a proposition to a citable authority with the surrounding context intact.