Atty. Jay B. Kasner

Atty. Jay B. Kasner

Jay B. Kasner, Skadden’s national securities litigation practice leader, represents a diverse group of U.S. and international public and private companies and their directors and officers in their most crucial litigation matters.

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'Bet The Company' Litigation & More Attorney · Serving New York, NY

Profile Summary

About Jay B. Kasner at a Glance

Jay B. Kasner is a business and litigation attorney based in New York, New York, practicing at Skadden, Arps, Slate, Meagher & Flom LLP. Admitted to practice in New York, New York State Bar Association. Educated at Boston University School of Law (J.D., 1980) and Union College (Schenectady) (BA). Recognitions include Best Lawyers in America — Bet-the-Company Litigation (2026), Best Lawyers in America — Commercial Litigation (2026), and Best Lawyers in America — Litigation - Securities (2026). Serves clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Jay B. Kasner

Jay B. Kasner, Skadden’s national securities litigation practice leader, represents a diverse group of U.S. and international public and private companies and their directors and officers in their most crucial litigation matters.

He has been ranked repeatedly in the top tier for nationwide securities litigation in Chambers USA, is one of only three lawyers listed in Chambers as a “star individual” for New York securities litigation, and received its Business Trial Lawyer Award for Excellence in 2018. He was named a 2018 Distinguished Leader by the New York Law Journal — which also recognized Skadden as its Litigation Department of the Year — and a 2018 Litigation Trailblazer by the National Law Journal. Under Mr. Kasner’s leadership, Skadden’s 80-attorney securities litigation practice was recognized nine consecutive times, including in the 2020 Fearsome Foursome — the four elite litigation practices — and named a “powerhouse” in securities and finance litigation by BTI Consulting.Mr. Kasner has advised or is currently advising numerous public and private companies of various sizes around the world, including, among others:

  • Abercrombie & Fitch
  • Anadarko Petroleum
  • BlackBerry Limited
  • Computer Sciences Corporation (now known as DXC Technology)
  • El Pollo Loco
  • FedEx Corporation
  • News Corporation (now known as 21st Century Fox)
  • Nokia Corporation
  • Pfizer Inc.
  • Officers and directors of Republic Airways, Inc.
  • Sprint Nextel Corporation

Over the course of his career, he also has advised financial services clients worldwide in class action and other litigation, including, among others:

  • Ally Financial Inc.
  • AXA Equitable
  • Banca IMI S.p.A.
  • Bank of America Merrill Lynch
  • Barclays plc
  • BNP Paribas
  • Canadian Imperial Bank of Commerce
  • Citigroup Inc.
  • Deutsche Bank AG
  • Fidelity Investments
  • Goldman Sachs & Co.
  • HSBC
  • J.P. Morgan Chase & Co.
  • Morgan Stanley
  • The Royal Bank of Scotland plc
  • Société Générale S.A.
  • UBS

His victories before the U.S. Supreme Court and various appellate courts throughout the United States include representing, among others:

  • Merrill Lynch in Merrill Lynch v. Dabit, in which he secured a unanimous U.S. Supreme Court decision in the first case in which the Court addressed the provisions of the Securities Litigation Uniform Standards Act of 1998;
  • Merrill Lynch in Lentell v. Merrill Lynch & Co. Inc. — one of Law360’s Securities Cases of the Decade — in which the Second Circuit adopted a standard for pleading loss causation that has been cited hundreds of times;
  • Merrill Lynch & Co. Inc. in the first class action appeal arising from the auction rate securities market collapse, despite an SEC brief calling for the decision’s reversal — a move that could have exposed a wide range of financial institutions to liability. The decision has been cited in more than 300 cases since its issue date;
  • Bank of America and Merrill Lynch against two double-derivative actions, securing a decision at both the district and circuit court levels that set new standards for such claims;
  • Vivint Solar, Inc., several of its officers and directors, and The Blackstone Group in securing a significant Second Circuit decision in a case of first impression that created a circuit split on the standard for determining the disclosure of interim financial data in a prospectus; and
  • The underwriting syndicate of Petrobras’ multibillion-dollar global bond offerings, successfully arguing issues related to the application of the U.S. Supreme Court’s decision in Morrison v. National Australia Bank to class certification proceedings under Federal Rule 23. This was the first time a circuit court applied Morrison at the class certification stage. The case settled favorably while a writ of certiorari regarding class certification was pending before the U.S. Supreme Court.

Mr. Kasner also has represented numerous Europe-based, U.S.-listed companies and their individual officers and directors in securities litigation. These include Autoliv Inc., the former CEO of Porsche Automobil Holding SE, RSA Insurance Group plc, SCOR SE, Seadrill Ltd. and Stena AB, among others.

Additionally, he advises Latin American companies in the defense of a wide range of litigation and regulatory issues, including securities and complex commercial claims, for clients such as BRF S.A., Cimento Tupi S.A., Gerdau S.A., Quiñenco S.A. and Tech Pack S.A. In addition to representing the Petrobras underwriter syndicate, which included Banco Bradesco BBI S.A., Itaú BBA USA Securities, Inc. and Banco do Brazil S.A., he recently has advised:

  • Avianca Holdings S.A. in securing the withdrawal of a New York state action brought by its second-largest shareholder in an attempt to block, among other things, a contemplated strategic partnership between Avianca, Colombia’s largest airline, and United Airlines;
  • Banco Itaú International in obtaining the dismissal of Florida RICO litigation in the Southern District of Florida brought by the Meridian Trust Company involving the Brazilian oil exploration company OGX Petróleo e Gás Participações S.A., among others;
  • Embraer S.A. in securing the dismissal with prejudice of a federal securities fraud class action that resulted in the clarification of company disclosure standards in connection with an ongoing investigation; and
  • Netshoes (Cayman) Limited in securing in the dismissal, and subsequent settlement, of a state securities class action alleging that the company violated the Securities Act of 1933 by making false and misleading disclosures in connection with its IPO.

Mr. Kasner is the recipient of the Judge Joseph M. Proskauer Award from the UJA-Federation of New York, given to distinguished individuals who have shown a deep commitment to philanthropy and whose conduct and service exemplifies the highest ideals of the law (2017); the Judge Simon G. Rifkind Award presented by the Jewish Theological Seminary in recognition of his demonstrated commitment to the letter of the law and for distinguished public service (2014); and the 40th Anniversary George A. Katz Torch of Learning Award from the American Friends of The Hebrew University Lawyers’ Division, Greater New York Region (2010).

Practice Areas Explained

Jay B. Kasner's Areas of Legal Practice

Each practice area below reflects the types of cases Jay B. Kasner handles, with a practical overview of what that area of law involves and how it may apply to your situation in New York.

Business & Corporate Law in New York

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Jay B. Kasner is one of 497,491 business attorneys indexed nationally. Browse business attorneys in New York →

Civil Litigation in New York

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Jay B. Kasner is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in New York →

Jurisdictional Context

Why Local Counsel Matters in New York

Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in New York are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New York courts without local counsel or pro hac vice admission.

New York Courts and Legal Process

Choosing a New York-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

Looking for additional New York attorneys? Browse all attorneys in New York or all attorneys in New York.

Frequently Asked

Common Questions About Jay B. Kasner

Where is Jay B. Kasner's law office located?
Jay B. Kasner's law practice is located in New York, New York. The firm is Skadden, Arps, Slate, Meagher & Flom LLP. You can contact the office directly through this profile page.
What practice areas does Jay B. Kasner handle?
Jay B. Kasner focuses on business, litigation. Each practice area listed reflects experience handling cases of that type in New York.
Where did Jay B. Kasner go to law school?
Jay B. Kasner earned their education at (J.D., 1980); (BA).
How can I contact Jay B. Kasner for a consultation?
You can contact Jay B. Kasner directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Jay B. Kasner received?
Jay B. Kasner's notable recognition includes: Best Lawyers in America — Bet-the-Company Litigation; Best Lawyers in America — Commercial Litigation; Best Lawyers in America — Litigation - Securities.

Professional Profile

Why Clients in New York Choose Jay B. Kasner

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Jay B. Kasner's practice in the field of business and litigation.

Broad Practice Area Coverage

Covering business and litigation, Jay B. Kasner can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in New York

A New York-based practice means Jay B. Kasner attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues Jay B. Kasner Handles in New York

Below is a representative sample of the types of matters Jay B. Kasner has experience with under New York law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business

This list is illustrative, not exhaustive. Contact Jay B. Kasner directly to discuss the specifics of your situation.

Search Reference

How People Find Jay B. Kasner Online

Prospective clients searching for legal help in New York commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Jay B. Kasner.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Jay B. Kasner directly.

Jay B. Kasner's Practice Areas & Specializations

Education & Law School Background

J.D.
Boston University School of Law
- 1980
BA
Union College (Schenectady)
- In Progress

Awards & Professional Honors

Best Lawyers in America — Bet-the-Company Litigation
- 2026
Best Lawyers in America — Commercial Litigation
- 2026
Best Lawyers in America — Litigation - Securities
- 2026

Bar Admissions & Licensed Jurisdictions

New York, New York State Bar Association

Client Reviews & Ratings — Jay B. Kasner

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