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Criminal law 2026 ONCA 324

R. v. Aubin

The Ontario Court of Appeal dismissed Brandon Aubin’s appeal, finding no prejudice from trial counsel’s failure to retain an expert on fire origin.

  • Ineffective assistance of counsel
  • Prejudice standard
  • Expert evidence admissibility
  • Causation in arson
  • Legal aid funding
  • Appeal procedure
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Intellectual property 2026 FCA 85

Therme Development (CY) Ltd. v. Nordik Spa Village Chelsea Inc.

The appeal is dismissed: the Federal Court correctly found that the word element 'THERME' dominates the composite THERME WOMAN marks for 'when sounded' analysis and those marks are clearly descriptive in French of specified services; THERME (and the WOMAN marks) are deceptively misdescriptive in French for certain services; THERME and THERME GROUP are confusing in English with Nordik's THERMËA registrations; and the Poplack affidavit was properly excluded as unnecessary expert evidence.

  • Descriptiveness
  • Deceptive misdescriptiveness
  • Confusion
  • Expert evidence admissibility
  • Composite marks
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Criminal law 2026 BCSC 581

R. v. Majcher

The Crown's proposed expert evidence from Dr. Coyne was inadmissible because it was not logically relevant to any fact in issue in the indictment—general evidence about Fox Hunt/Sky Net, untethered to the accused's specific conduct or the specific target, did not tend to prove the elements the Crown must establish; alternatively, any marginal probative value would be overborne by prejudicial effect and risk of distracting the jury.

  • Expert evidence admissibility
  • Mohan test
  • Gatekeeping (probative vs prejudice)
  • Security of information act
  • Fox hunt/sky net
  • Transnational policing
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Competition law 2026 Comp Trib 15

Canada (Commissioner of Competition) v Rogers Communications Inc. - 2026 Comp Trib 15 - Order and Reasons - CT-2024-012

The Tribunal held that Dr. Strathearn’s initial witness statement is admissible as factual evidence but his reply witness statement, which contained expert opinion beyond factual scope, is inadmissible and struck; the Tribunal granted Rogers leave to file a brief sur-reply expert report from Dr. Feamster limited to five pages addressing Mr. Lee’s testing protocol and results and awarded costs to Rogers.

  • Deceptive marketing
  • Expert evidence admissibility
  • Sur-reply expert report
  • Evidentiary motions
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Competition law 2026 FC 239

Eaton v. Teva Canada Limited

The Federal Court refused certification of a proposed generic-drugs class action, finding no reasonable cause of action, no basis in fact for common issues, and an inadequate litigation plan.

  • Price fixing
  • Market allocation
  • Foreign directives
  • Certification criteria
  • Expert evidence admissibility
  • Price-fixing
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Human rights 2026 CHRT 5

K.L. v. Canada Post Corporation

The Tribunal admitted most of a proposed expert report on domestic and intimate partner violence, but redacted the section on K.L.’s circumstances as improper fact-finding.

  • Domestic and intimate partner violence
  • Accommodation
  • Expert evidence admissibility
  • Intersectionality
  • Shelter sector
  • Public interest remedies
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Family law 2025 BCCA 463

Jones v. Jones

Court of Appeal dismissed a family law appeal and cross-appeal arising from a summary trial on property, spousal support, and costs.

  • Summary trial suitability
  • Spousal support
  • Division of family property
  • Procedural fairness
  • Expert evidence admissibility
  • Fixed lump sum costs
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Tort 2025 BCSC 1929

Sawatzky v. St. Johns Street Liquor Store Ltd.

Costs reasons after dismissal of a trip-and-fall claim: the defendant received Scale B costs and double costs from January 22, 2024, after a reasonable offer to settle was not accepted.

  • Premises liability
  • Standard of care
  • No-evidence motion
  • Offers to settle
  • Double costs
  • Expert evidence admissibility
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Torts 2025 BCSC 1767

Samimi v. Omar

The court found the plaintiff was not a reliable historian, rejected most plaintiff experts on causation, accepted only ongoing pain symptoms, and awarded $182,930.80.

  • Causation
  • Credibility and reliability
  • Damages quantification
  • Expert evidence admissibility
  • Use of social media evidence
  • Credibility-and-reliability
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Criminal law 2025 ONCA 611

R. v. Mohamed

The charge on modes of participation was constitutionally defective: the s.21(2) instruction left the jury potentially confused about whether common unlawful purpose could ground first‑degree murder and the aiding instruction failed to explain the necessary intention and knowledge for an aider, producing a real risk of convicting without understanding requisite mens rea; accordingly convictions were set aside and a new trial ordered.

  • Party liability
  • Aiding (s.21(1)(b))
  • Common unlawful purpose (s.21(2))
  • First-degree murder vs manslaughter
  • Expert evidence admissibility
  • Jury instructions
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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.