Crown image Columbia Law School
Home About Contact Subscribe RSS Email Twitter
Previous Next

  • John C. Coffee, Jr.: Event Contracts and Prediction Markets Comment bubble 3 By John C. Coffee, Jr.
  • Leveraging Information Forcing in Good Faith By Hillary Sale
  • The Dark Side of Safe Harbors Comment bubble 2 By Susan C. Morse
  • John C. Coffee, Jr. – Mass Torts and Corporate Strategies: What Will the Courts Allow? By John C. Coffee, Jr.
  • Compliance’s Next Challenge: Polarization By Miriam H. Baer
  • Will the Common Good Guys Come to the Shootout in SEC v. Jarkesy? And Why It Matters By Eric W. Orts
  • Climate Disclosure Line-Drawing and Securities Regulation By Virginia Harper Ho
  • Board Committee Charters and ESG Accountability By Lisa M. Fairfax
Editor-At-Large Reynolds Holding

The CLS Blue Lion logo Sky Blog

Crown image

Columbia Law School's Blog on Corporations and the Capital Markets

Editorial Board John C. Coffee, Jr. Edward F. Greene Kathryn Judge

Menu

Skip to content
  • Our Contributors
  • Corporate Governance
  • Finance & Economics
  • M & A
  • Securities Regulation
  • Dodd-Frank
  • International Developments
  • Library & Archives

antitrust

Wachtell Lipton Discusses Record DOJ Penalty for Alleged “Systemic” HSR Violation

By Nelson O. Fitts, Emily E. Samra and H. Sam Yu September 3, 2026 by renholding

On August 26, the Department of Justice announced a proposed settlement to resolve allegations that private equity firm KKR failed to file complete, accurate, and timely premerger filings under the Hart-Scott-Rodino Act in connection with several transactions during 2021 and …

Comment  

Slack Acquisitions: When Startup Innovation Gets Lost After the Deal

By Marco Corradi June 29, 2026 by renholding

Debates over Big Tech M&A often focus on “killer acquisitions,” where a dominant firm buys a startup in order to eliminate a future rival. A more subtle and, in some ways, more difficult problem is that innovation can lose momentum …

How Antitrust Law Is Taking on Big Oil

By Cynthia Hanawalt and Denise Hearn March 25, 2026 by renholding

For the last decade, the legal effort to hold the fossil fuel industry accountable for its climate denialism has been advanced through tort and consumer protection law. Plaintiffs asserted claims of public nuisance and consumer fraud, alleging that “Big Oil” …

Paul Weiss Discusses California Enactment of Mini-HSR Law

By Scott Sher, Yuni Yan Sobel, Jesse Solomon, Christopher M. Wilson, J. Todd Hahn February 23, 2026 by jlucero

Takeaways

  • Driven by state-level antitrust enforcement efforts, states are increasingly requiring “mini-HSR” notices for certain transactions. In 2025, Washington and Colorado enacted such laws, and late yesterday, California followed with its own law. There are also similar bills pending in
…

Skadden Discusses M&A in the AI Era: What Buyers Can Do to Confirm and Protect Value

By Christopher M. Barlow, Ken D. Kumayama, Sonia K. Nijjar and Yingchuan (Grace) Mo February 19, 2026 by renholding

Key Points

  • As more transactions involve AI, buyers face challenges in validating and protecting the value of their acquisitions.
  • Legal structures such as earnouts can help to bridge valuation gaps with sellers and ensure that the ultimate price aligns with
…

Paul, Weiss Discusses DOJ’s Algorithmic Pricing Settlement

By Scott Sher, Tee St. Matthew-Daniel, Chris Wilson, Jake Philipoom and Natalie Pita December 4, 2025 by jlucero

On November 25, 2025, the DOJ announced that it agreed to settle claims that RealPage, Inc. (RealPage) violated Section 1 of the Sherman Act by unlawfully sharing competing users’ competitively sensitive information for use in competitors’ pricing and by entering …

Arnold & Porter Discusses Algorithmic Pricing Bans

By C. Scott Lent, Daniel B. Asimow, Andre Geverola and Leah J. Harrell  November 4, 2025 by renholding

Over the past three years, courts across the country have evaluated the use of pricing algorithms under the antitrust laws. In 2022, private plaintiffs filed the first of many civil cases involving algorithmic pricing against software provider RealPage and its …

Arnold & Porter Discusses States’ More Active Role in Merger Settlements

By Summer Perez and Matthew Tabas October 29, 2025 by renholding

In recent years, state Attorneys General (AGs) have taken a more active approach in antitrust enforcement matters related to mergers and acquisitions.  For example, earlier this year, laws in Washington and Colorado requiring parties to submit pre-merger notification filings went …

Wachtell Lipton Discusses the New Administration and Antitrust Merger Remedies

By Christina C. Ma and Itai Y. Thaler June 12, 2025 by renholding

The Federal Trade Commission and the DOJ’s Antitrust Division recently announced two settlement agreements, signaling that this Administration is willing to resolve merger competition concerns — in appropriate cases — through negotiated divestiture remedies.  These actions herald a return to …

Arnold & Porter Discusses Washington State’s First of Its Kind Premerger Notification Law

By Debbie Feinstein and Patrick Shaw April 30, 2025 by renholding

The state of Washington became the first to enact a broad premerger notification law covering transactions across all industries. The law, S.B. 5122,[1] was enacted on April 4, 2025, and goes into effect July 27, 2025. S.B. 5122, modeled …

Davis Polk Discusses DOJ Antitrust Updates on Corporate Compliance

By D. Jarrett Arp, Arthur J. Burke, Tatiana R. Martins, Caroline Ziser Smith and Leigh M. Terry Brinkerhoff January 27, 2025 by eorozco

The Antitrust Division of the Department of Justice has updated its 2019 Evaluation of Corporate Compliance Programs in Criminal Antitrust Investigations. The changes bring the guidance in line with recent changes to the DOJ Criminal Division’s compliance guidance, but also …

Advice on Merger Guidelines for the New Administration

By Alexander Raskovich January 24, 2025 by renholding

The administration’s antitrust picks are in. President Donald Trump has nominated Gail Slater to be the assistant attorney general for antitrust and Andrew Ferguson – currently a commissioner on the Federal Trade Commission – to become the FTC chair. Upon

…

Can Europe’s Digital Markets Act Tame Big Tech in the U.S.?

By Giovanna Massarotto January 3, 2025 by renholding

The digital economy has put antitrust regulation in the spotlight, with increasingly dominant technology companies – such as Amazon, Google, Facebook (Meta), Apple, and Microsoft – reviving concerns about private monopolies reminiscent of Standard Oil and AT&T. Yet the enforcement …

How Big Tech Uses SPACs to Skirt Antitrust Laws

By Miriam Schwartz-Ziv, Anat Alon-Beck, Moran Ofir and John Livingstone January 2, 2025 by renholding

In recent years, big tech companies have faced growing scrutiny over their market power and influence. Yet they continue to expand, often using creative strategies to bypass regulatory roadblocks. One such strategy involves the use of special purpose acquisition companies …

Why Rebuttable Structural Presumptions Improve Merger Review

By Filippo Lancieri and Tommaso Valletti November 5, 2024 by renholding

Companies acquire or merge with each other for a variety of worthwhile reasons, ranging from managing uncertainty to gaining scale to accessing new resources. They also do it for less desirable reasons, including to gain market and political power, raise …

Skadden Discusses FTC-DOJ Request for Information on Serial Acquisitions and PE Roll-Ups

By Tara Reinhart, Ken Schwartz, Mike Sheerin, Dave Wales and Julia York June 10, 2024 by renholding

On May 23, 2024, the Federal Trade Commission (FTC) and Antitrust Division of the Department of Justice (DOJ) jointly announced a request for members of the public to provide information that the agencies can use “to identify serial acquisitions and …

Do Board Observers Improve Corporate Governance?

By Nizan Geslevich Packin and Anat Alon-Beck May 15, 2024 by renholding

In the complex world of corporate governance, a novel mechanism has reemerged: board observers. Operating without the conventional voting rights of board members, these individuals have become pivotal in bridging the gap between ambitious startups and their venture capital (VC) …

Paul Weiss Discusses Merger Guidelines Featured in FTC Handbag Case

By Andrew C. Finch, Scott A. Sher, Aidan Synnott, Thomas Rucker and Mark R. Laramie May 7, 2024 by renholding
  • The FTC recently sued to block Tapestry’s proposed acquisition of Capri, alleging that the effect of the combination of the companies’ handbag brands may be to substantially lessen competition.
  • The complaint relies heavily on the December 2023 FTC-DOJ Merger Guidelines
…

Why Common Ownership Can Increase Competition

By Hadiye Aslan April 18, 2024 by renholding

In recent years, there has been a significant increase in common ownership, where large institutional investors hold substantial shares in several companies within the same sector. Theoretically, common ownership may result in higher product prices, as common owners might favor …

Can Antitrust Promote Sustainability and Reduce Inequality?

By Sandra Marco Colino April 5, 2024 by renholding

How can antitrust best serve social goals? For the many who argue that market power yields greater wealth inequality, vigorous antitrust enforcement is necessary  to close the gap. Yet equality is not a consideration for current antitrust policy, which …

1 2 3 … 7 Next »

TheFilter

Description

Each business day, our team sifts through blog posts, news stories, and other sources to keep up-to-date on relevant recent developments. The following links will take you to our recommended selections. To see the sources we follow click Filter Sources.

Filter Sources
Bloomberg
Anthropic’s AI Warning Is Too Weak
September 13, 2026
Dealbook
A Start-Up Pay Strategy Proves Costly
September 13, 2026
The Governance Beat
Glass Lewis Outlines New Framework
September 13, 2026
Financial Times
Musk, Altman Also Back AI Slowdown
September 13, 2026
D&O Diary
Turns Out FCA Qui Tam Constitutional
September 13, 2026
Wall Street Journal
Crypto Scam Victims Are Fighting the U.S. to Get Their Money Back
September 10, 2026
Delaware Business Litigation Report
Delaware Supreme Court Affirms Arbitration Order in Earnout Dispute
September 10, 2026
Financial Times
Tariff Criticism Dooms IMF Candidate
September 10, 2026
Sidley Enhanced Scrutiny
Chancery Confirms No Best-Price Duty for Public-Benefit Corp. Board
September 10, 2026
D&O Diary
Shareholders Suit Against Apple Follows AI-Linked Copyright Claim
September 10, 2026
Bloomberg
DOJ Says Berkeley Law Discriminates
September 9, 2026
D&O Diary
Is Bank Failure Uptick a Big Deal?
September 9, 2026
Deal Lawyers.com
Designated Directors Walk a Tightrope
September 9, 2026
Corporate & Securities Law Blog
SEC Remakes Transfer Agent Rules
September 9, 2026
Business Law Prof Blog
How IPOs Stack Up So Far in 2026
September 9, 2026
Wall Street Journal
Trump Says He Will Block Canadian Firms From Government Contracts
September 8, 2026
Freshfields' A Fresh Take
9th Circuit in Prediction Markets Split
September 8, 2026
Financial Times
LIV Golf Files for Bankruptcy
September 8, 2026
Cleary Securities Watch
SEC Updates CFI Guidance
September 8, 2026
Business Law Prof Blog
Reincorporations Can Be Costly
September 8, 2026
Financial Times
University Endowments Beat S&P 500
September 7, 2026
Sidley Enhanced Scrutiny
DGCL §144 Safe Harbor Rules Emerge
September 7, 2026
Delaware Corporate & Commercial Litigation Blog
Allegedly Excessive Fees No Defense to Nonpayment of Advance
September 7, 2026
Bloomberg
Delaware Practical Pluses Run Deep
September 7, 2026
Business Law Prof Blog
The Latest on Reincorporations
September 7, 2026
Wall Street Journal
Boeing’s $8.4bn Deal Bleeds Red Ink
September 3, 2026
Bloomberg
Nvidia to Buy Hugging Face for $13bn
September 3, 2026
Dealbook
Did Meta’s Settlement Actually Help It?
September 3, 2026
Financial Times
Black Sues Congress on Epstein Probe
September 3, 2026
Securities Regulation and Corporate Governance Monitor
SEC Proposes E-Delivery Disclosure
September 3, 2026
Bloomberg
Bigger SALT Break’s Impact Surprises
September 2, 2026
Dealbook
Music Industry Grapples With AI
September 2, 2026
Freshfields' A Fresh Take
Enforcers Target Prediction Markets
September 2, 2026
Securities Litigation & Enforcement
SEC Eyes Pre-IPO Share Sales
September 2, 2026
Financial Times
Chevron to Double Venezuela Oil Production With $7bn Pledge
September 2, 2026
Wall Street Journal
Megabanks Join to Issue a Stablecoin
September 1, 2026
Financial Times
Banks Seek Cut of Lawyer AI Savings
September 1, 2026
Cleary Securities Watch
SEC Updates Corp. Finance Guidance
September 1, 2026
D&O Diary
Investors Suing AI Infrastructure Firms
September 1, 2026
Deal Lawyers.com
Delaware Chancery Limits Disclosures Under Advance Notice Bylaws
September 1, 2026
New York Times
Saudis, U.S. Firm in Data Center Deal
August 31, 2026
Financial Times
LIV Golf Girds for Bankruptcy Filing
August 31, 2026
D&O Diary
Pentwater Capital Sued on Short Squeeze
August 31, 2026
Sidley Enhanced Scrutiny
Delaware Chancery Rules on SB 21 Heightened Disinterest Presumption
August 31, 2026
Securities Regulation and Corporate Governance Monitor
SEC Touts Crypto Exempt Offer Rules
August 31, 2026
Wall Street Journal
Aeo Nears Insurance Broker USI Deal
August 30, 2026
New York Times
SEC Allows Less Company Disclosure
August 30, 2026
The Governance Beat
SEC Nears Executive Comp Proposal
August 30, 2026
D&O Diary
AI-Related Securities Suit Hits Intuit
August 30, 2026
Deal Lawyers.com
Delaware Chancery Rules Takeover Law Doesn’t Require Informed Vote
August 30, 2026
Wall Street Journal
Sheikh Backs New Trump Crypto Bank
August 27, 2026
New York Times
Meta, Anthropic Are AI Friends, Foes
August 27, 2026
Freshfields' A Fresh Take
AGs, FTC Settle Zillow-Redfin Suit
August 27, 2026
The Governance Beat
NYSE Proposes Extending Internal Audit Transition Period
August 27, 2026
Financial Times
Bank Regulators to Narrow Enforcement Focus to Financial Risks
August 27, 2026
D&O Diary
Risk of Securities Litigation Rising
August 27, 2026
Reuters
UK Crypto Boss Faces US Extradition
August 26, 2026
Wall Street Journal
Bill Gates Warns of No AI Plan
August 26, 2026
Bloomberg
NFL Owners OK $9.6bn Seahawks Sale
August 26, 2026
Financial Times
Meta Ends Kids’ Harm Case for $18bn
August 26, 2026
D&O Diary
Deloitte Settles DOJ Anti-DEI Claims
August 26, 2026
Wall Street Journal
Anthropic Seeks $30 Trillion in Revenue
August 25, 2026
New York Times
AI Firm Aims at Data Center Backlash
August 25, 2026
Freshfields' A Fresh Take
Treasury Proposes GENIUS Act Rules
August 25, 2026
Financial Times
Canada Retaliates With $20bn Tariffs
August 25, 2026
D&O Diary
Securities Suit Against Alibaba Combines Claims on AI and China Risks
August 25, 2026
Bloomberg
Trump Family Joins New Bank Rush
August 24, 2026
The Governance Beat
Section 16 Insiders Owe EDGAR Info
August 24, 2026
Financial Times
How Shein’s IPO Lost Its Shine
August 24, 2026
D&O Diary
Oversight Risk in Governance Vacancy
August 24, 2026
Securities Regulation and Corporate Governance Monitor
The Latest on Shareholder Proposals
August 24, 2026
Wall Street Journal
Nvidia Touts Chinese-AI Alternative
August 23, 2026
Bloomberg
Canada-US Flop, but Mexico Optimistic
August 23, 2026
New York Times
California and Paramount to Hold Preliminary Talks on Warner Deal
August 23, 2026
Cleary Securities Watch
SEC Tweaks 14a-8 Response Process
August 23, 2026
Business Law Prof Blog
Lawsuits Trip Over Value of SAFEs
August 23, 2026
Wall Street Journal
Weil Gotshal Rainmakers Talking Exit
August 20, 2026
Reuters
Crypto, AI, Betting Firms Fund Politics
August 20, 2026
The Governance Beat
Where Hot New Topics Land at Boards
August 20, 2026
Securities Litigation & Enforcement
Chancery Says Public Benefit Corps. Free of Revlon in Control Changes
August 20, 2026
Financial Times
Top Law Firms Making “Crazy” Hires
August 20, 2026
Wall Street Journal
U.S. National Debt Tops $40 Trillion
August 19, 2026
Bloomberg
YouTube Lures Creators From Netflix
August 19, 2026
Financial Times
PE Firm Charlesbank Nears Law Stake
August 19, 2026
D&O Diary
Securities Suit Hits AI Firm Blaize
August 19, 2026
Securities Regulation and Corporate Governance Monitor
SEC Exits Shareholder Proposal Game
August 19, 2026
Wall Street Journal
Hidden Deals Snared Dodgers Owner
August 18, 2026
Dealbook
Is Silicon Valley in DOJ’s Sights?
August 18, 2026
The Governance Beat
How AI Drives Institutional Investing
August 18, 2026
D&O Diary
Cybersecurity Flaws Prompt Securities Suit Against Israeli Firm
August 18, 2026
Sidley Enhanced Scrutiny
Delaware Chancery Clarifies Implied Covenant’s Gap-Filling Role
August 18, 2026
Dealbook
Paramount Wants States to Shoulder Costs of Warner Deal Delay
August 17, 2026
Delaware Business Litigation Report
Delaware Chancery Finds for Lender in Breach of Contract Claim
August 17, 2026
Financial Times
Troubled Loans Strain Private Credit
August 17, 2026
Cleary Securities Watch
What ISS STOXX Survey Tells Us
August 17, 2026
CFIUS
New Matrix IDs Nat’l Security Risks
August 17, 2026
Bloomberg
Covert Oil Flows Keep Prices Down
August 16, 2026
Financial Times
Security Software Revives BlackBerry
August 16, 2026
D&O Diary
Pump-and-Dump Suits Proliferating
August 16, 2026
Deal Lawyers.com
Chancery Addresses Appraisal After SPAC Underwriter Reorganization
August 16, 2026
Business Law Prof Blog
Delaware Contract Horror Stories
August 16, 2026
Blog Roll Header
  • Business Law Prof Blog
  • Corporate & Securities Law Blog
  • DealLawyers
  • Delaware Corporate and Commercial Litigation Blog
  • Gibson Dunn Securities Regulation and Corporate Governance Monitor
  • Harvard Law School Forum on Corporate Governance
  • How Appealing
  • PubCo @ Cooley
  • Securities Docket
  • Sidley Enhanced Scrutiny Blog
  • The D&O Diary
  • Truth on the Market
  • White Collar Crime Prof Blog
The Blue Sky Blog is Sponsored by Columbia Law School's Center on Corporate Governance.
Blwag 100 badge
Crown image Columbia Law School
Home About Contact Subscribe or Manage Your Subscription RSS Email Twitter
© Copyright 2026, The Trustees of Columbia University in the City of New York.