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Canada Constitutional Challenges

Flaster Greenberg PC

Why The Future Of Canadian Energy Investments Hangs In The Balance

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Over a month after Canada’s federal elections, the country is still trying to sort out exactly who won and by how much. If this sounds eerily familiar to Bush vs. Gore in 2000, there is a good reason for this...more

Smart & Biggar

Health Canada must redetermine exemption requests for psilocybin (magic mushroom)-assisted psychotherapy training

Smart & Biggar on

TheraPsil, a patient advocacy organization, and 73 healthcare practitioners (HCPs) have succeeded in the Federal Court of Appeal (FCA) to overturn the refusal of the Minister of Mental Health and Addictions and Associate...more

Smart & Biggar

What the Canuck?! Understanding scandalous, obscene and immoral marks in Canada

Smart & Biggar on

“Scandalous, obscene or immoral” trademarks are not only unregistrable in Canada, but they are also unlawful to adopt in connection with a business “as a trademark or otherwise.” While similar prohibitions have been deemed...more

Davies Ward Phillips & Vineberg LLP

No “Wait and See,” Says Supreme Court of Canada: Statutes May Be Constitutionally Inapplicable on the Basis of Potential Effects...

In Opsis Airport Services Inc. v. Quebec (Attorney General), 2025 SCC 17 (Opsis), the Supreme Court of Canada (SCC) held that a statute can be declared constitutionally inapplicable to an enterprise carrying on activities...more

Blake, Cassels & Graydon LLP

Blakes Competitive Edge™: June 2025 Update

Welcome to the June issue of Blakes Competitive Edge, a monthly publication of the Blakes Competition, Antitrust & Foreign Investment group. Blakes Competitive Edge provides an overview of recent developments in Canadian...more

Braumiller Law Group, PLLC

Hot Topics in International Trade - June 2025 - Trump’s Plan B for Tariffs

On May 28, 2025, the United States’ Court of International Trade (CIT) struck down the President’s use of the International Economic Emergency Powers Act (IEEPA) to impose tariffs. This includes tariffs imposed on Canada,...more

Morrison & Foerster LLP

Two Federal Courts Temporarily Strike Down President Trump’s IEEPA Tariffs

On May 28, 2025, the U.S. Court of International Trade (CIT) ruled that President Trump lacks authority under the International Emergency Economic Powers Act (IEEPA) to impose his most sweeping tariffs against U.S. trading...more

WilmerHale

IEEPA Tariff Litigation: What You Need to Know About the Federal Court Decisions Threatening the Trump Administration’s Tariff...

WilmerHale on

Last week, two federal courts struck down sweeping tariffs that the Trump Administration had recently imposed under the International Emergency Economic Powers Act (IEEPA). ...more

Blake, Cassels & Graydon LLP

Projet de loi 109 : Le Québec cherche à réglementer la découvrabilité du contenu francophone sur les plateformes numériques

Le 21 mai 2025, le gouvernement du Québec a déposé à l’Assemblée nationale le projet de loi 109 intitulé Loi affirmant la souveraineté culturelle du Québec et édictant la Loi sur la découvrabilité des contenus culturels...more

Blake, Cassels & Graydon LLP

Intensification des contestations judiciaires visant les tarifs douaniers américains

Depuis le 1er février 2025, le président des États-Unis Donald Trump a publié un certain nombre de décrets-lois imposant des tarifs douaniers à des pays du monde entier, dont le Canada. Alors que le paysage tarifaire est en...more

Dorsey & Whitney LLP

Federal Court Strikes Down Trump’s Border Emergency and Global Tariffs

Dorsey & Whitney LLP on

President Trump exceeded his emergency authority when he imposed tariffs on Canadian, Chinese, and Mexican origin goods citing border issues, and global reciprocal tariffs the U.S. Court of International Trade (“CIT”) said on...more

Benesch

Trump Tariffs Permanent Injunction - What it Means and What to Expect

Benesch on

On May 28th, 2025, the Court of International Trade issued a judgment striking down several of the worldwide tariffs imposed by President Trump in the first and second quarters of 2025. ...more

BakerHostetler

US Court of International Trade Strikes Down IEEPA Tariffs

BakerHostetler on

A three-judge panel of the U.S. Court of International Trade ruled on Wednesday, May 28, that tariffs imposed under the International Emergency Economic Powers Act (IEEPA) – namely the tariffs on Canada, Mexico, and China to...more

Blake, Cassels & Graydon LLP

Bill 109: Quebec Moves to Regulate Discoverability of French-Language Content on Digital Platforms

On May 21, 2025, Bill 109, An Act to affirm the cultural sovereignty of Québec and to enact the Act respecting the discoverability of French-language cultural content in the digital environment (Bill) was introduced in the...more

Bennett Jones LLP

Supreme Court Approves Constitutionality of Multi-Crown Class Action

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The Supreme Court of Canada (SCC) has endorsed the constitutionality of British Columbia (BC) legislation empowering the province to seek recovery of opioid epidemic healthcare costs in a proposed class action brought on...more

Blake, Cassels & Graydon LLP

Legal Challenges to U.S. Tariffs Escalate

Since February 1, 2025, United States President Donald Trump has issued a number of executive orders imposing tariffs on countries around the world, including Canada. As the tariff landscape continues to shift, the number of...more

Husch Blackwell LLP

California Mounts Constitutional Challenge to IEEPA Tariffs

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On April 16, 2025, the State of California filed a complaint against President Trump, the Secretary of Homeland Security and US Customs and Border Protection (CBP) challenging the legality of tariffs imposed under the...more

Blake, Cassels & Graydon LLP

La CSC annule les plafonds liés aux dépenses de publicité politique faite par des tiers en période préélectorale en Ontario

Les tiers qui exercent des activités de publicité politique en Ontario devraient s’attendre à des changements dans l’avenir, la Cour suprême du Canada (la « CSC ») ayant rendu sa décision dans le cadre de la contestation...more

Blake, Cassels & Graydon LLP

SCC Strikes Down Ontario’s Pre-Election Third-Party Political Advertising Spending Limits

More changes are coming for third parties looking to engage in Ontario elections, after the Supreme Court of Canada (SCC) settled the constitutional challenge to the province’s third-party pre-election political advertising...more

Blake, Cassels & Graydon LLP

Avantage concurrentiel par Blakes : mise à jour de mars 2025

Bienvenue à l’édition de mars de l’infolettre Avantage concurrentiel par Blakes, une publication mensuelle des groupes Concurrence et antitrust et Investissement étranger de Blakes. Avantage concurrentiel par Blakes présente...more

Mayer Brown

President Trump’s Use of the National Emergency Act and Possible Congressional Next Steps

Mayer Brown on

Recently, President Donald Trump issued three Executive Orders (EOs) to impose tariffs on Mexico, Canada, and the People’s Republic of China (PRC) pursuant to his authorities under the Constitution and the laws of the United...more

Blake, Cassels & Graydon LLP

Quebec Court of Appeal Rules on the Limits of CPA Professional Secrecy for Financial Whistleblowing

On November 12, 2024, the Quebec Court of Appeal (QCA) rendered a significant decision in Autorité des marchés financiers c. Ordre des comptables professionnels agréés du Québec (available in French only) relating to section...more

Blake, Cassels & Graydon LLP

Autorité des marchés financiers c. Ordre des comptables professionnels agréés du Québec : Les limites du secret professionnel des...

Le 12 novembre 2024, la Cour d’appel du Québec a rendu une décision importante dans l’affaire Autorité des marchés financiers c. Ordre des comptables professionnels agréés du Québec. Cet arrêt concerne l’article 17.0.1 de la...more

Blake, Cassels & Graydon LLP

Ontario Court Overturns Dismissal of Youth-Led Constitutional Challenge to Climate Change Policy

Introduction On October 17, 2024, the Court of Appeal for Ontario (Court) issued an important decision in Mathur et al. v. His Majesty the King in Right of Ontario (Mathur), ordering a new hearing for the youth-led...more

Davies Ward Phillips & Vineberg LLP

Federal Impact Assessment: Legislative Amendments and Cabinet Directive

The Canadian government recently enacted the highly anticipated amendments to the Impact Assessment Act (IAA). These amendments, which came into force on June 20, 2024, address the constitutional overreach in the IAA, as...more

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