Log in or register
Share on LinkedInShare on LinkedIn

ARTICLE · 19 OCTOBER 2004

New Canadian Merger Guidelines - Implications for Strategic Merger Planning

Blake, Cassels & Graydon LLP
Blake, Cassels & Graydon LLP
Contributor
Blake, Cassels & Graydon LLP

Blake, Cassels & Graydon LLP

As one of Canada’s top business law firms, Blake, Cassels & Graydon LLP (Blakes) provides...

View firm profile
Explore more from Blake, Cassels & Graydon LLP

New Canadian Merger Enforcement Guidelines that explain the Competition Bureau’s approach to analysing mergers have just been released. The new MEGs reflect substantial convergence with the U.S. and recently amended European guidelines, including new references to the potential use of the Herfindahl-Hirschman Index (HHI) used in the U.S. in some aspects of merger analysis.

CanadaInternational Law
Robert Kwinter
Robert Kwinter
Brian Facey
Brian Facey
Crystal Witterick
Crystal Witterick
Author LinkedIn connections

New Canadian Merger Enforcement Guidelines that explain the Competition Bureau’s approach to analysing mergers have just been released. The new MEGs reflect substantial convergence with the U.S. and recently amended European guidelines, including new references to the potential use of the Herfindahl-Hirschman Index (HHI) used in the U.S. in some aspects of merger analysis. Parties to multi-jurisdictional mergers should benefit from this move toward convergence to the extent that it signals a more consistent analytical approach across jurisdictions. The key changes in the new MEGs are highlighted below:

Less Safety in Safe Harbours.

 The new MEGs retain the same safe harbours: (i) unilateral exercise of market power – 35%; and (ii) co-ordinated exercise of market power – four firm concentration ratio of 65% or merged entity share of less than 10%. However, the previous MEGs provided that high market share or concentration is a "necessary condition" to finding that a merger is likely to

We operate a free-to-view policy, asking only that you register in order to read all of our content. Please login or register to view the rest of this article.

Register for freeORLog in

Related Articles

Legal Intelligence Newsletters: sign up for the latest legal and regulatory news on your chosen topics

Read more about

See more popular content from

Article

Canada Announces New Counter-Tariffs And Support Measures Following US Tariff Actions

Canada has announced sweeping counter-tariffs ranging from 15% to 50% on approximately C$27.6 billion of US imports, effective September 8, 2026, in direct response to President Trump's 50% Section 338 tariffs on Canadian goods. The measures target key sectors including steel, aluminum, dairy, appliances, and electronics, while the federal government simultaneously rolls out C$7.5 billion in support for affected businesses and workers. Understanding whether products qualify as US goods under Canada's markin
CanadaInternational Law
Cassels
Cassels
Article

From Duties To Import Bans: The Canada–U.S. Tariff War After The Collapse Of Negotiations

The United States has escalated its trade dispute with Canada by imposing import bans on alcoholic beverages, dairy products, and motorcycles under Section 338 of the Tariff Act of 1930, while Canada responds with matched counter-tariffs on $27.6 billion worth of U.S. goods. Following the collapse of bilateral negotiations in August 2026, both nations have entered an unprecedented phase of trade restrictions that extends beyond traditional tariffs to include procurement exclusions and threatens further auto
GlobalInternational Law
Borden Ladner Gervais LLP
Borden Ladner Gervais LLP
Article

Canada’s Counter-Tariffs On US Goods: A Primer On What Canadian Businesses Need To Know

Effective September 8, 2026, Canada implemented retaliatory tariffs on certain U.S. goods in response to the initial 50% tariffs imposed by the US under Section 338 of the Tariff Act of 1930. To operationalize these measures, the Canada Border Services Agency (CBSA) issued Customs Notice 26-23, establishing binding administrative rules on how the surtax will be applied, calculated, and collected.
CanadaInternational Law
Fasken
Fasken
Article

Provisional Duties On Chinese Plywood

The Canada Border Services Agency has issued a preliminary determination imposing provisional anti-dumping duties ranging from 0% to 227.5% on decorative and non-structural plywood imports from China, effective August 24, 2026. With the Canadian International Trade Tribunal scheduled to hold public hearings in November 2026, the significant disparity between duty rates for cooperative versus non-cooperative exporters underscores the critical importance of timely participation in CBSA investigations.
CanadaInternational Law
Millar Kreklewetz
Millar Kreklewetz
Article

Gloves Off: Canada Answers U.S. Section 338 Tariffs Dollar-for-Dollar As Washington Escalates With Import Bans

Canada and the United States have entered a new phase of trade conflict, with Canada implementing retaliatory surtaxes on C$27.6 billion of U.S. goods while the United States escalates beyond tariffs to outright import prohibitions on Canadian alcohol, dairy products, and motorcycles. The dispute now extends into government procurement policy, raising questions about compliance strategies and supply chain restructuring as both nations tighten customs enforcement.
CanadaInternational Law
McCarthy Tétrault
McCarthy Tétrault
Article

The Trade War Tit-for-tat Continues: United States Responds To Canada’s Retaliatory Surtaxes With New Tariffs And Import Prohibitions

Canada and the United States have escalated their trade war with new retaliatory tariffs and import prohibitions taking effect in September 2026. What specific goods are now subject to these measures, and how do the complex layers of tariffs interact to impact cross-border commerce? This comprehensive analysis breaks down the latest developments in the deteriorating Canada-U.S. economic relationship.
CanadaInternational Law
Osler, Hoskin & Harcourt LLP
Osler, Hoskin & Harcourt LLP
Article

Canada Imposes Counter-Tariffs On C$27.6-Billion Of U.S. Imports, Effective September 8, 2026

Canada has announced C$27.6-billion in counter-tariffs on U.S. imports, effective September 8, 2026, targeting over 700 product classifications across steel, aluminum, dairy, electronics, and other sectors. The measures represent a dollar-for-dollar response to U.S. Section 338 tariffs, with rates ranging from 15% to 50% depending on the product category. The government has also introduced a C$7.5-billion support package for affected Canadian workers and businesses.
CanadaInternational Law
Blake, Cassels & Graydon LLP
Blake, Cassels & Graydon LLP
Article

Canada And The European Union Chart A New Course: Beyond CETA Toward A Strategic Economic Partnership

European Commission President Ursula von der Leyen has invited Canada to become the first associate member of the EU, with Prime Minister Mark Carney accepting the proposal to pursue an "Alliance for the Future." The partnership would build on existing bilateral agreements with Germany, Spain, and Italy, potentially enabling free flow of goods, services, and workers across strategic sectors including energy, critical minerals, artificial intelligence, defence, and advanced manufacturing.
GlobalInternational Law
Gowling WLG
Gowling WLG
Article

Elbows Back Up: U.S. Section 338 Tariffs, Canada’s Retaliatory Surtaxes And The Current Tariff Landscape

As Canada and the United States escalate their trade dispute with new retaliatory tariffs, businesses face mounting compliance challenges across multiple sectors. This analysis examines the comprehensive tariff landscape affecting bilateral trade, including Canada's September 8, 2026 surtaxes on U.S. imports and the corresponding American section 338 tariffs, detailing rates, exemptions, and the legal frameworks governing these measures.
CanadaInternational Law
Osler, Hoskin & Harcourt LLP
Osler, Hoskin & Harcourt LLP
Article

CBSA Anti-Dumping And Countervailing Duty Investigations: Truck And Bus Tires From China – What Producers, Exporters, And Importers Need To Know

Canada has initiated anti-dumping and countervailing duty investigations into truck and bus tires from China, with preliminary determinations expected by November 30, 2026. Producers, exporters, and importers—including companies from Korea, Japan, and Singapore with Chinese operations—face critical September and October deadlines to submit comprehensive responses or risk significantly higher duty rates.
CanadaInternational Law
Gowling WLG
Gowling WLG
Article

Canada Imposes Counter-Tariffs On C$27.6-Billion Of U.S. Imports, Effective September 8, 2026

Canada has announced C$27.6-billion in counter-tariffs on U.S. imports, effective September 8, 2026, targeting over 700 product classifications across steel, aluminum, dairy, electronics, and other sectors. The measures represent a dollar-for-dollar response to U.S. Section 338 tariffs, with rates ranging from 15% to 50% depending on the product category. The government has also introduced a C$7.5-billion support package for affected Canadian workers and businesses.
CanadaInternational Law
Blake, Cassels & Graydon LLP
Blake, Cassels & Graydon LLP
Article

Digging Deeper: Canadian Mining Sector Tax Update

Canada’s mining sector is at an important inflection point. Against a backdrop of growing global demand for critical minerals and increased competition for investment capital, the Canadian federal government has recently introduced a series of tax measures designed to encourage investment and strengthen the competitiveness of Canada’s mining industry. For investors, these measures may meaningfully influence the after-tax economics of projects and financing structures across the mining value chain.
CanadaEnergy and Natural Resources
Blake, Cassels & Graydon LLP
Blake, Cassels & Graydon LLP
Article

Fall Forecast: What To Watch In Canada’s Communications Sector

Canada's broadcasting, telecommunications, and satellite industries face significant regulatory changes this fall as Parliament advances key legislation. From the CRTC's implementation of the Online Streaming Act amid U.S. trade tensions to new lawful access requirements for service providers and the establishment of Canada's first space launch framework, these developments will reshape operational requirements across the communications sector.
CanadaMedia, Telecoms, IT, Entertainment
Blake, Cassels & Graydon LLP
Blake, Cassels & Graydon LLP
Article

Snap Election, Strict Rules: Navigating Compliance While Engaging In B.C.’s Provincial Election

British Columbia's snap election on October 24, 2026, brings unprecedented compliance challenges for businesses seeking to engage in policy discussions. With some of Canada's strictest lobbying rules, stringent election financing laws, and new foreign influence regulations all converging during the campaign period, organizations must navigate a complex web of registration requirements, spending caps, and reporting obligations while avoiding significant legal and reputational risks.
CanadaGovernment, Public Sector
Blake, Cassels & Graydon LLP
Blake, Cassels & Graydon LLP
Article

Kalibrate Consent Agreement Targets Third-Party Information Sharing As Abuse Of Dominance

On September 24, 2026, the Competition Bureau (Bureau) announced it had entered into a consent agreement with Kalibrate Canada Inc. (Kalibrate) to address concerns regarding Kalibrate’s collection and distribution of detailed retail fuel data through its Kalibrate Market Intelligence product (KMI). More broadly, the matter signals the Bureau’s willingness to challenge information-sharing arrangements under multiple provisions of the Competition Act (Act), including through abuse of dominance where the intermediary itself is alleged to be dominant.
CanadaAntitrust/Competition Law
Blake, Cassels & Graydon LLP
Blake, Cassels & Graydon LLP
Article

Ontario Proposes Amendments To Streamline Electricity Transmission Development

Ontario's Ministry of Energy and Mines has proposed exempting electricity transmission projects procured by the Independent Electricity System Operator from the traditional leave to construct approval requirement. This regulatory change could significantly streamline the development timeline for bulk system transmission infrastructure, including the pending Toronto Third Line procurement, while maintaining environmental assessment and Indigenous consultation requirements.
CanadaEnergy and Natural Resources
Blake, Cassels & Graydon LLP
Blake, Cassels & Graydon LLP