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  • John C. Coffee, Jr. – Boeing and the Future of Deferred Prosecution Agreements 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

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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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Ilya Beylin

Federal Judge Trips Over Tricky Statutory Language, Eviscerating CFTC Jurisdiction

By Ilya Beylin September 3, 2025 by Ilya Beylin

Derivatives lawyers are not known to be an excitable bunch.  But a recent opinion from the U.S. District Court in the Northern District of Texas has derivatives lawyers excited, and not in a good way.  The judge has vastly restricted …

Fiscal and Foreign Relations Dimensions of Financial Stability Regulation

By Ilya Beylin August 26, 2025 by Ilya Beylin

There is a venerable history of interdependence between sovereign debt and the financial system.  The national banking system in the U.S. arose as a solution to fiscal challenges the Union government faced in the Civil War.  A key requirement for …

1 Comment  

CFTC Jurisdiction Should Not Extend to Event Contracts

By Ilya Beylin September 23, 2024 by Ilya Beylin

Two weeks ago, there was big news for “event contracts,” which provide for fixed payouts upon the occurrence of specified events and are sometimes referred to as “prediction” products.  Kalshi – an exchange that has popularized event contracts on everything …

A Novel Explanation for Concentration Among Derivatives Intermediaries, and Its Implications

By Ilya Beylin May 17, 2024 by Ilya Beylin

In derivatives markets, as in other financial markets, customers rely on intermediaries for access to products.  When transacting, a customer faces a choice of whether to return to a prior provider or seek a new one.  My post yesterday documented …

Examining High Concentration Among Derivatives Intermediaries

By Ilya Beylin May 16, 2024 by Ilya Beylin

Derivatives are financial instruments used to shift risks, such as fluctuations in interest rates or foreign exchange rates or changes in the value of assets such as stocks, bonds, metals, or agricultural or energy products.  At first glance, entering into …

Ripping the Ripple Opinion

By Ilya Beylin July 18, 2023 by Ilya Beylin

Last Thursday’s split summary-judgment decision in the case that the Securities and Exchange Commission (SEC) brought against Ripple Labs, Inc. (Ripple) and certain of its senior leaders is bonkers.  In partly holding for the defendants, the opinion ignores well established …

1 Comment  

ESG-Linked Swaps and the New Governance School of Regulatory Scholarship

By Ilya Beylin June 20, 2023 by Ilya Beylin

To some extent, this is another collection of words about an acronym that collects words, in the largely passive and meaningless manner of a lint roller.  Elizabeth Pollman recently developed a deft history of the acronym ESG, which stands for …

The Real but Exaggerated Threat of Financial Institution Mobility to Financial Regulation

By Ilya Beylin October 11, 2018 by Ilya Beylin

Where jurisdictions differ in how they regulate an activity, migration allows private parties to choose between regulatory regimes.  In the context of financial regulation, scholars assert that harmonization of regulation across jurisdictions is necessary to prevent institutions from opting into …

Long Live the Editor

By Ilya Beylin June 8, 2016 by Ilya Beylin

After the July 4th weekend, Reynolds Holding will be taking over as the fourth editor-at-large of the CLS Blue Sky Blog.  It has been a remarkable year and a half, and I am confident our Blog will continue to grow …

1 Comment  

Twenty Most Cited Corporate Law & Securities Regulation Faculty in the United States, 2010-2014 (inclusive)

By Ilya Beylin May 23, 2016 by Ilya Beylin
Rank Name School Citations Age in 2016
1 John Coffee, Jr. Columbia University 1470 72
2 Lucian Bebchuk Harvard University 1130 61
3 Stephen Bainbridge University of California, Los Angeles 1010 58
4 Reinier Kraakman Harvard University   820 67
5
…

Notice of Opportunity: Have You Ever Thought of Entering Academia?

By Ilya Beylin March 27, 2016 by Ilya Beylin

Columbia Law School is looking for an Editor-at-Large to oversee and administer the Columbia Law School Blue Sky Blog.  The Blog, now completing its third year, has grown rapidly and become one of the most read sources of current information …

Select Columbia Business Law Review Posts

By Ilya Beylin March 18, 2016 by Ilya Beylin

Today, in addition to our usual offering, we present three student posts from the Columbia Business Law Review:

  • David Markewitz on The SEC’s Appointment Problem and Its Likely Solution;
  • Penina Moisa on The Perils, Protections and Proliferation of
…

Millstein Governance Forum on December 10, 2015 at CLS

By Ilya Beylin December 1, 2015 by Ilya Beylin

On December 10th, Columbia Law School’s Millstein Center on Global Markets and Corporate Ownership will be hosting its 10th annual Millstein Governance Forum.

For the past decade, the Forum has served as one of the premiere …

A Debate on the Morality of Insider Trading

By Ilya Beylin October 25, 2015 by Ilya Beylin

Today, we host two pieces debating the potential for firm disclosed insider trading to occur without harm to the company, its investors and other market participants.  John P. Anderson, Associate Professor, Mississippi College School of Law, proposes that under some …

Nominate Our Blog for the ABA 100

By Ilya Beylin August 4, 2015 by Ilya Beylin

To the friends of the CLS Blue Sky Blog: The ABA journal is conducting a poll to identify the top 100 legal blogs.  We would be honored by your nomination.  In addition to reprinting commentary from practitioners and regulators on …

More on Navinder Singh Sarao, the Alleged Market Manipulator with Responsibility for the Flash Crash

By Ilya Beylin April 22, 2015 by Ilya Beylin

For those interested in the allegations against Navinder Singh Sarao and Nav Sarao Futures Limited PLC, which implicate them in extensive market manipulation and the “Flash Crash” of 2010, here are the complaints from the DOJ and CFTC as well …

Recap of Lynn Tilton’s Scuffle with the SEC

By Ilya Beylin April 1, 2015 by Ilya Beylin

Earlier this week, the SEC filed an administrative action against Lynn Tilton and her Patriarch Partners funds.  See In re Lynn Tilton et al.  CNBC has reported that the SEC is  “accusing Patriarch of hiding the poor performance of …

A Shift in Proposed Margin Regulation May Unleash Restraints on Banks’ Activities

By Ilya Beylin February 25, 2015 by Ilya Beylin

A nuance in margin rules proposed by the CFTC and other federal financial regulators threatens to undermine a carefully struck balance in Dodd-Frank.  As background, Title VII of Dodd-Frank subjected U.S. derivatives markets to a host of new regulations.   Broadly …

Today we talk about Fannie and Freddie…

By Ilya Beylin February 18, 2015 by Ilya Beylin

Today we feature three posts on the theme of Fannie Mae and Freddie Mac. The first two posts — from David Min and Brad Miller, respectively — question assumptions about the proper role of government and markets in home …

Marketplace of Ideas: United States v. Newman

By Ilya Beylin January 28, 2015 by Ilya Beylin

Yesterday and today, we are running a number of posts related to the recent United States v. Newman decision in which the Second Circuit overturned the convictions for insider trading and conspiracy to commit insider trading of Todd Newman and …

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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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Wall Street Journal
Trump Lowers Fuel Economy Rules
December 3, 2025
D&O Diary
SEC Chair: Make IPOs Great Again
December 3, 2025
Dealbook
SEC Loses Lone Democratic Voice
December 3, 2025
Bloomberg
SEC Earnings Fraud, Audit Cases Plunge
December 3, 2025
Deal Lawyers.com
Delaware Chancery Rejects Fraud on Board Claims, Applies Corwin to Sale
December 3, 2025
Bloomberg
Comcast Bid Seeks to Merge NBCUniversal With Warner Bros.
December 2, 2025
Delaware Business Litigation Report
Chancery Dismisses Challenge to Real Estate Investment Fund Capital Call
December 2, 2025
D&O Diary
Big AI Investments Mute Tariff Impact
December 2, 2025
Law.com
SEC Closes New Fyre Festival Probe
December 2, 2025
Securities Regulation and Corporate Governance Monitor
California Says It Will Not Enforce Climate-Related Risk Reporting Law
December 2, 2025
Bloomberg
Trump Commutes Sentence of GPB Capital Founder David Gentile
December 1, 2025
Wall Street Journal
Court Upholds U.S. Attorney Ouster
December 1, 2025
Reuters
Airbus Hit With New A320 Problem
December 1, 2025
Dealbook
OpenAI Takes Stake in Thrive Holdings
December 1, 2025
Reuters
Black Friday Sales Hit Record High
November 30, 2025
D&O Diary
Delaware Legal Fee Awards Excessive?
November 30, 2025
Bloomberg
SEC Power to Recoup Illegal Profits at Risk as Supreme Court Eyes Case
November 30, 2025
Delaware Corporate & Commercial Litigation Blog
Delaware Chancery Finds Waiver of Privilege Despite Inadvertent Disclosure
November 30, 2025
Business Law Prof Blog
“In Connection With” Strikes Again
November 30, 2025
Cleary M&A Watch
Court Blocks California Climate Rules
November 25, 2025
Dealbook
Fed, Big Tech Lift Investors’ Spirits
November 25, 2025
Wall Street Journal
Four Apple Executives Are Top Contenders to Succeed CEO Tim Cook
November 25, 2025
Reuters
Alphabet Nears $4 Trillion Market Value
November 25, 2025
Bloomberg
Hassett Emerges as Fed Frontrunner
November 25, 2025
Wall Street Journal
U.S. to Skip Publication of Initial Third-Quarter GDP Estimate
November 24, 2025
Bloomberg
Comey, James Charges Dismissed
November 24, 2025
Freshfields' A Fresh Take
OFAC Sanctions Colombia’s President
November 24, 2025
Cooley Securities Regulation
SEC Chair Offers Vision for Crypto Regs
November 24, 2025
Corporate & Securities Law Blog
Delaware Courts Limit Noncompete Enforcement in Incentive Plans
November 24, 2025
Dealbook
UK Daily Mail Owner to Buy Telegraph
November 23, 2025
Corporate Governance
SEC Posts First “Reasonable Basis” Notice for Pending No-Action Request
November 23, 2025
Cleary Enforcement Watch
SEC 2026 Exam Priorities Change Little
November 23, 2025
Financial Times
Make Insider Trading Thing of the Past
November 23, 2025
Delaware Corporate & Commercial Litigation Blog
Delaware Chancery Levies Fees for Lack of Candor Causing Discovery Abuses
November 23, 2025
Bloomberg
Trump Plans Offshore Drilling Expansion
November 20, 2025
New York Times
Yen for Low Prices Boosts Walmart Sales
November 20, 2025
Freshfields' A Fresh Take
BIS Suspends “Affiliates Rule” on Exports
November 20, 2025
The Governance Beat
Ninth Circuit Temporarily Freezes California Climate Reporting
November 20, 2025
Sidley Enhanced Scrutiny
Delaware Chancery Limits Personal Jurisdiction in Crypto Theft Case
November 20, 2025
Bloomberg
Nvidia’s Huang Dismisses Bubble Fears
November 19, 2025
Reuters
Trump Mulls Preempting State AI Laws
November 19, 2025
Wall Street Journal
October Jobs Data Not Forthcoming
November 19, 2025
New York Times
Saudi Arabia Backs Elon Musk’s xAI
November 19, 2025
Brookings
Merge CFTC, SEC to Regulate Digital
November 19, 2025
Cleary M&A Watch
The Latest on No-Action Letter Changes
November 18, 2025
Wall Street Journal
Meta Defeats FTC Antitrust Case
November 18, 2025
Bloomberg
Elliott Wins CEO Change at Rexford
November 18, 2025
D&O Diary
SEC Enforcement Actions Decline
November 18, 2025
Reuters
SEC Eases 2026 Crypto Sector Exams
November 18, 2025
Wall Street Journal
Firm Layoff Tactics Keep Changing
November 17, 2025
New York Times
Crypto Flooded With Dirty Billions
November 17, 2025
The Governance Beat
SEC Exits Investor Proposal Processing
November 17, 2025
Delaware Corporate & Commercial Litigation Blog
Chancery Rules Bank Directors Face Liability for Illegal Overdraft Issue
November 17, 2025
Business Law Prof Blog
The Latest on Delaware Corporate Exits
November 17, 2025
Bloomberg
Zero-Day Options Limit Stock Rallies
November 16, 2025
Securities and Exchange Commission
Deputy Enforcement Chief Exits SEC
November 16, 2025
Securities Regulation and Corporate Governance Monitor
SEC Registration Tips Post-Shutdown
November 16, 2025
Deal Lawyers.com
Coinbase DExits to Pro-Crypto Texas
November 16, 2025
Business Law Prof Blog
How Trump Can Hurt Proxy Advisers
November 16, 2025
Bloomberg
Warner Bros. Shields CEO Pay in a Sale
November 13, 2025
Reuters
Verizon to Cut About 15,000 Jobs
November 13, 2025
Wall Street Journal
Paramount, Comcast, Netflix Prepare Bids for Warner as Deadline Nears
November 13, 2025
New York Times
UK OKs Small Nuclear Reactor in Wales
November 13, 2025
The Governance Beat
White House Mulls Proxy Adviser Limits
November 13, 2025
Bloomberg
October Jobs, CPI Data Reveal Unlikely
November 12, 2025
Wall Street Journal
U.S. Mints Its Final Pennies
November 12, 2025
The Governance Beat
Microsoft Excludes Shareholder Proposal Without No-Action Relief
November 12, 2025
The Block
SEC Chair Unveils “Token Taxonomy”
November 12, 2025
Deal Lawyers.com
Delaware Chancery Rules M&A Choice-of-Law Clause Covers Defamation
November 12, 2025
Bloomberg
CFPB Says Money Poised to Run Out
November 11, 2025
The Governance Beat
More Vanguard Funds Get Voting Choice
November 11, 2025
Washington Post
DOJ Struggles as Thousands Exit
November 11, 2025
Dealbook
SoftBank Sells Nvidia Stake to Pay for AI
November 11, 2025
D&O Diary
Backdoor Class Actions Thriving in UK
November 11, 2025
Wall Street Journal
Tariff Case May Define Scotus Chief
November 10, 2025
Bloomberg
BlackRock Faces 100% Private Loan Loss
November 10, 2025
Dealbook
Will Musk Get the $1 Trillion?
November 10, 2025
D&O Diary
First Brands Sues Founder: Misconduct
November 10, 2025
ThinkAdvisor
Is SEC Regulation by Enforcement Dead?
November 10, 2025
Bloomberg
Inflation Data Fog Thickens for Fed
November 9, 2025
Reuters
Retailers Promise Cheaper Thanksgiving
November 9, 2025
Wall Street Journal
Visa, Mastercard Near Merchants Deal
November 9, 2025
Dealbook
Debt Has Entered the AI Boom
November 9, 2025
D&O Diary
Tariffs Securities Suit Hits Carmax
November 9, 2025
Wall Street Journal
Europe Probes Nasdaq Over Antitrust
November 6, 2025
Bloomberg
Bayer Weighs Roundup’s Demise
November 6, 2025
Reuters
Tesla Shareholders OK $1 Trln Musk Pay
November 6, 2025
New York Times
UK Faces Up to Hard Economic Choices
November 6, 2025
D&O Diary
Should Securities Suits Go to Trial?
November 6, 2025
Bloomberg
Crypto Trust-Charter Bid Sparks Alarm
November 5, 2025
New York Times
Tariffs Send Automakers Into Chip Tizzy
November 5, 2025
Freshfields' A Fresh Take
SEC Ups Foreign Private-Issuer Scrutiny
November 5, 2025
Sidley Enhanced Scrutiny
Delaware Chancery Confirms Common Law Standard for Actual Control
November 5, 2025
Dykema
Dealmakers Warily Optimistic for 2026
November 5, 2025
Bloomberg
Trump’s Options If Scotus Nixes Tariffs
November 4, 2025
The Governance Beat
ISS Proposes 8 Voting Policy Changes
November 4, 2025
Wall Street Journal
Big Tesla Investor Rejects Musk Pay
November 4, 2025
D&O Diary
AI-Related Securities Suit Filed Against IC Design Software Firm
November 4, 2025
Deal Lawyers.com
M&A Anti-Reliance Clauses Skirt Risk
November 4, 2025
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  • Business Law Prof Blog
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  • 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.
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