Biography
Jack Yoskowitz is a partner in Seward & Kissel’s Litigation & Investigations Group and Co-Head of Investment Fund Litigation, where he specializes in complex commercial and corporate litigation and regulatory matters predominantly for financial services institutions and individuals.
Jack is a trial attorney with significant first chair experience in bet your company matters. He regularly represents clients in securities regulatory matters and private litigation, including proceedings brought by the government agencies such as the SEC. Jack has tried cases in Federal and State courts as well as before various arbitration organizations. According to The Legal 500 US, Jack is “particularly impressive for [his] strong analysis and strategy” and “highly regarded for regulatory enforcement matters.” Jack has spoken and authored articles on matters relating to litigation and SEC matters, and he chairs the annual New York City Bar Association course titled, “Scope of Attorney-Client Privilege.” Jack regularly gives presentations to clients on insider trading, internal investigations and hot button issues.
Jack received a B.S. with distinction from Pennsylvania State University and was in the University Scholars Program (now Schreyer Honors College). He received his J.D. from Columbia University Law School, where he was a Harlan Fiske Stone Scholar. He has been recognized as a leading lawyer in Business Litigation by Super Lawyers (2013 to 2025). Jack is admitted to practice in the United States Supreme Court, the State of New York, the United States Court of Appeals for the Second Circuit, and the United States District Courts for the Southern and Eastern Districts of New York.
Jack is the partner in charge of Pro Bono efforts at Seward & Kissel and was honored by Her Justice as the recipient of the Commitment to Justice Award for Outstanding Partner. Jack is also an active Member of the External Advisory Board of Penn State’s Schreyer Honors College.
Capabilities
Areas of Focus
Credentials
Education
Columbia Law School
- J.D., 1992
- Harlan Fiske Stone Scholar
Pennsylvania State University
- B.S., 1989
- with distinction
Bar Admissions
- New York
Representative Work
- Representing defendant investment consultant in class action involving pension fund investments. Successfully resolved matter.
- Represented investment manager in a major Covid related dissolution involved hundreds of millions of dollars of derivative and volatility related instruments and successfully resolved issues with investors, creditors and government regulators.
- Winning motion in Delaware Chancery Court dismissing major shareholder defendant in class action arising out of company acquisition in a stock-for-stock merger.
- Representing blockchain company in parallel investigations by DOJ and SEC.
- Representing investment fund in a multi-defendant action alleging RICO and related claims.
- Successfully dismissed RICO claims and the threat of triple damages.
- Secured summary judgment motion dismissing an action brought by the SEC against an investment management firm and individual in a significant ruling of first impression involving the extraterritoriality of Rule 105 of Regulation M (short selling in connection with a public offering).
Areas of Focus
Credentials
Education
Columbia Law School
- J.D., 1992
- Harlan Fiske Stone Scholar
Pennsylvania State University
- B.S., 1989
- with distinction
Bar Admissions
- New York
Representative Work
- Representing defendant investment consultant in class action involving pension fund investments. Successfully resolved matter.
- Represented investment manager in a major Covid related dissolution involved hundreds of millions of dollars of derivative and volatility related instruments and successfully resolved issues with investors, creditors and government regulators.
- Winning motion in Delaware Chancery Court dismissing major shareholder defendant in class action arising out of company acquisition in a stock-for-stock merger.
- Representing blockchain company in parallel investigations by DOJ and SEC.
- Representing investment fund in a multi-defendant action alleging RICO and related claims.
- Successfully dismissed RICO claims and the threat of triple damages.
- Secured summary judgment motion dismissing an action brought by the SEC against an investment management firm and individual in a significant ruling of first impression involving the extraterritoriality of Rule 105 of Regulation M (short selling in connection with a public offering).