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

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

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antitrust

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” …

Comment  

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 …

Cleary Gottlieb Discusses How Merger Safe Harbor for Sherman Act Violations Punishes Innocent Acquirers

By Heather S. Nyong'o, Jeremy J. Calsyn and Joseph M. Kay April 5, 2024 by renholding

In March 2024, the U.S. Department of Justice (“DOJ”) revised its Justice Manual to include a new safe harbor for acquiring companies that self-report criminal conduct by an acquired company identified in due diligence (the “Safe Harbor”).  When the Safe …

Morrison & Foerster Discusses White House Task Force on Unfair and Illegal Pricing

By Mary Kaiser, Joe Folio, Megan Gerking, David Shaw, Evan Harris and Richelle Gernan April 2, 2024 by renholding

As part of its whole-of-government effort to enforce the antitrust laws, the Biden administration recently launched a new interagency Strike Force on Unfair and Illegal Pricing (Strike Force), which will be co-chaired by the Federal Trade Commission (FTC) and the …

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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.

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D&O Diary
SEC Seeking More Individual Liability
May 13, 2026
Wall Street Journal
1MDB-Scandal’s Villain Seeks Pardon
May 13, 2026
Bloomberg
Senate Confirms Fed Chair Warsh
May 13, 2026
New York Times
Geothermal Energy Firm Goes Public
May 13, 2026
Financial Times
Judge Questions Musk-SEC Resolution
May 13, 2026
Cooley M&A
SEC Cuts Minimum Tender Offer Period
May 12, 2026
Delaware Business Litigation Report
Delaware Supreme Court Addresses Implied Covenant in Earnout Dispute
May 12, 2026
New York Times
EBay Rejects GameStop’s $55 Bln Bid
May 12, 2026
Financial Times
Oil Majors Return to Alaska
May 12, 2026
Sidley Enhanced Scrutiny
U.S. Court Enforces Texas’ 3% Ownership Rule for Derivative Claims
May 12, 2026
Bloomberg
SEC Moves to End “Gag Rule”
May 12, 2026
The Governance Beat
SEC Likely to Nix Climate Disclosure
May 11, 2026
Financial Times
Sony-Blackstone in Music Rights Deal
May 11, 2026
D&O Diary
Tariff-Recovery Suits Rising Again
May 11, 2026
Reuters
Insider Trading Scandal Exposes Gaps in Law Firms’ Security
May 11, 2026
Bloomberg
SEC Audit Oversight Push Renews Questions for Enron-Era Watchdog
May 11, 2026
Semafor
Insider Trading Cases Will Get Harder
May 10, 2026
Bloomberg
Insider Traders Switched Firms Easily
May 10, 2026
Wall Street Journal
PCAOB Independence Rules Must Go
May 10, 2026
The FinReg Blog
Is Trump Token Unregistered Security?
May 10, 2026
Deal Lawyers.com
Stockholder-Pact Case Ends Like Moelis
May 10, 2026
D&O Diary
Securities Suit Hits Private Credit Firm
May 7, 2026
New York Post
Apollo to Open Non-NYC Headquarters
May 7, 2026
Politico
Wall Street Losing War With Crypto
May 7, 2026
The Block
Senator Says No to Any Crypto Bill Without an Ethics Provision
May 7, 2026
Deal Lawyers.com
CFIUS Resuming Normal Operations
May 7, 2026
Financial Times
30 Lawyers Accused of Insider Trading
May 6, 2026
D&O Diary
The Latest Jarkesy Developments
May 6, 2026
Wall Street Journal
Ken Griffin: New York “Doesn’t Welcome Success” Under Mamdani
May 6, 2026
Bloomberg
SEC Rule to End Biden-Era Climate Policy Sent to White House
May 6, 2026
Deal Lawyers.com
Chancery Nixes Merger-Related Fraud Claims as Preempted Under SLUSA
May 6, 2026
Freshfields' A Fresh Take
Connecticut to Enact Strict AI Law
May 5, 2026
Financial Times
JPMorgan, Blackrock Scoff at AI Bubble
May 5, 2026
D&O Diary
Ed-Tech Backlash Spurs Securities Suits
May 5, 2026
Wall Street Journal
SEC, Musk Settle Twitter Shares Case
May 5, 2026
Deal Lawyers.com
Delaware Chancery Allows Narrow Fraud Claim in M&A Earnout Case
May 5, 2026
Delaware Business Litigation Report
Delaware Supreme Court Mulls Another Boardwalk Pipeline Partners Appeal
May 4, 2026
Financial Times
Ebay Weighs GameStop’s $56 Bln Offer
May 4, 2026
Wall Street Journal
Losers Dominate Prediction Markets
May 4, 2026
Delaware Corporate & Commercial Litigation Blog
Delaware Chancery Nixes Founder/CEO Firing of Managing Board
May 4, 2026
Business Law Prof Blog
The Latest on Reincorporations
May 4, 2026
D&O Diary
Delaware Court Rules Disgorgement Not “Penalty” Precluding Coverage
May 3, 2026
Wall Street Journal
Buffett Fans Love 90s Berkshire Website
May 3, 2026
Bloomberg
Bitcoin Lags Despite Booster Efforts
May 3, 2026
Deal Lawyers.com
Private Equity Hits Bumpy First Quarter
May 3, 2026
Business Law Prof Blog
Shareholder Rights Are Losing Out to Promoters of “Wealth Maximization”
May 3, 2026
The Governance Beat
Beware Using AI to Draft Proxy
April 30, 2026
D&O Diary
Defendant Wins Securities Suit Trial
April 30, 2026
Bloomberg
Fidelity Mandates Five Days in Office
April 30, 2026
CoinDesk
Small Polymarket Group Winning Big
April 30, 2026
Deal Lawyers.com
Delaware Supreme Court Rejects Challenge to Advance Notice Bylaws
April 30, 2026
Reuters
Starbucks Customers Coming Back
April 29, 2026
Cleary Enforcement Watch
SEC, CFTC Offer Amendments to Reduce Form PF Reporting Burdens
April 29, 2026
D&O Diary
Blue Owl Shows D&O Private Credit Risk
April 29, 2026
Bloomberg
CEO Explains How He Faked Results in $300 Million Meltdown
April 29, 2026
ABC News
Bankman-Fried Denied New Trial
April 29, 2026
Wall Street Journal
UAE Exit Deals OPEC Major Blow
April 28, 2026
Cleary M&A Watch
SEC Cuts Minimum Tender Offer Time
April 28, 2026
Dealbook
Is OpenAI Lagging Further in AI?
April 28, 2026
The Governance Beat
Federal Court Enjoins Company from Excluding Shareholder Proposal
April 28, 2026
Law.com
SEC Chair: Crypto Needs Congress
April 28, 2026
Bloomberg
China Blocks Already Done Meta Deal
April 27, 2026
Dealbook
High-Stakes AI Clash Goes to Court
April 27, 2026
The Governance Beat
Labor Department Indicates Proxy Advisers Have ERISA Fiduciary Duties
April 27, 2026
Debevoise Insights
Do Boards Need AI Experts?
April 27, 2026
Yahoo Finance
Insider Trading Cases Threaten a Reckoning for Prediction Markets
April 27, 2026
Bloomberg
Italy Extradites Chinese Hacker to U.S.
April 26, 2026
New York Times
AI Start-Ups From Canada and Germany Merge to Take On Silicon Valley
April 26, 2026
Delaware Corporate & Commercial Litigation Blog
Delaware Chancery Upholds Tesla’s Texas Bylaw Forum Provisions
April 26, 2026
Deal Lawyers.com
Nasdaq Ups SPAC Listing Requirements
April 26, 2026
Business Law Prof Blog
When Is a Delaware Claim Derivative?
April 26, 2026
Reuters
Warner Shareholders Vote to Approve $110 Billion Merger With Paramount
April 23, 2026
Wall Street Journal
Meta Plans to Lay Off 10% of Workers
April 23, 2026
Bloomberg
Insider Trading Convictions Tossed on Appeal Because of Juror Bias
April 23, 2026
NY Attorney General
Coinbase, Gemini Sued for Gambling
April 23, 2026
Delaware Corporate & Commercial Litigation Blog
Chancery Imposes Attorneys’ Fees for Breach of Confidentiality Order
April 23, 2026
Bloomberg
American Air Explores Alaska Air Revenue-Sharing Deal
April 22, 2026
Reuters
Lululemon Names Nike Exec CEO
April 22, 2026
Wall Street Journal
Trump Nears Spirit Airlines Rescue
April 22, 2026
New York Times
Crypto Entrepreneur Files Fraud Suit Against Trump Family Firm
April 22, 2026
Sidley Enhanced Scrutiny
Chancery Reaffirms Caremark Limits
April 22, 2026
Bloomberg
Deutsche Telekom Eyes T-Mobile Tie-up
April 21, 2026
D&O Diary
Peloton Beats Product Safety Claims
April 21, 2026
Wall Street Journal
Cybercrime Is Big “Scambodia” Industry
April 21, 2026
BBC News
Insider Trading Vibe Taints White House
April 21, 2026
bitcoin.com
SEC Swaps Suits for “ACT” Strategy
April 21, 2026
New York Times
Chip Maker Cerebras Files for IPO
April 20, 2026
D&O Diary
Delaware Court Nixes “Public Offering” Exclusion in De-SPAC Coverage Case
April 20, 2026
Bloomberg
Scotus Mulls SEC Disgorgement
April 20, 2026
Investing.com
U.S. Will Punish Fraud, Insider Trading, Derivatives Regulator Tells Congress
April 19, 2026
Bloomberg
Crypto Bill Languishes in Senate
April 19, 2026
Financial Times
White Collar Defense Lawyers Idled
April 19, 2026
Bloomberg
Scotus May Nix Strongest SEC Remedy
April 19, 2026
Deal Lawyers.com
Delaware Chancery Bars Claims Release as Condition of Merger Payment
April 19, 2026
Wall Street Journal
Netflix Chair to Leave Board in June
April 16, 2026
The Governance Beat
Delaware Chancery Finds CEO’s AI Prompts May Be Subject to Discovery
April 16, 2026
D&O Diary
Cyber Incidents Have Long-Term Impact on Shareholder Value
April 16, 2026
Bloomberg
SEC Chair Atkins Faces Ticking Clock as He Reshapes Wall Street Rules
April 16, 2026
Business Law Prof Blog
Shareholder Voting Is Under Attack
April 16, 2026
Dealbook
Trump Warns He’ll Fire Powell, Again
April 15, 2026
Freshfields' A Fresh Take
FTC Rule Targets Food Delivery Fees
April 15, 2026
The Governance Beat
SEC Chair Touts Pro-IPO Plan–Again
April 15, 2026
D&O Diary
IBM Settles DEI False Claims Act Case
April 15, 2026
Wall Street Journal
He Championed the Trumps’ Crypto Venture. Now He’s Attacking It.
April 15, 2026
Bloomberg
Amazon’s $11.6 Billion Globalstar Deal Amps Up Rivalry With Musk
April 14, 2026
Freshfields Blog
Regulators Start Policing Insider Trading on Predictions Markets
April 14, 2026
New York Post
Oracle Accused of Targeting Stock-Option Holders in Recent Layoffs
April 14, 2026
BBC News
Evergrande Founder Guilty of Fraud
April 14, 2026
Deal Lawyers.com
Chancery Enforces Forum-Selection Bylaw Before It Goes Into Effect
April 14, 2026
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