Jonathan S. Sack headshot
Morvillo Abramowitz Grand Iason & Anello PC
New York


Jonathan S. Sack has extensive experience litigating complex civil and criminal cases. He represents individuals and companies in federal and state criminal, civil, and regulatory matters, and conducts internal investigations.

Fellow content

Tuesday, May 10, 2022

Cybersecurity and Individual Liability: "United States v. Sullivan" and the Criminalization of a Cyber Attack Response

Jonathan Sack analyzes a pending federal criminal prosecution wherein an individual has been charged with fraud arising from Uber Technologies’ response to a 2016 data breach.

Thursday, May 05, 2022

Jury Rejects Wire Fraud Charges in Boeing Crash Prosecution

Jonathan Sack writes about the US government’s reliance on an expansive theory of "right to control” wire fraud and zeroes in on the importance of a vigorous defense on the facts and the law.


Blogs of Interest

The Academy
Blogs, short articles and series by Fellows of the International Academy of Financial Crime Litigators.

The official blog of the "International Enforcement Law Reporter," edited by Bruce Zagaris.

Friday, January 21, 2022

The SEC’s Rulemaking Process: Long-Haul or Short-Cut?

​​Jonathan Sack discusses the importance of a quantitative analysis approach to The SEC's Rule-making Process.

Monday, October 04, 2021

Payment For Order Flow & Market Implications

In light of the recent scrutiny of SEC officials, Jonathan Sack writes about the legal framework for Payment for Order Flow.

Thursday, September 30, 2021

Restitution in FCPA Cases: Who Is a Victim of Foreign Corruption?

Jonathan Sack’s writes about the rising significance of restitution in FCPA cases.

Wednesday, June 16, 2021

Eleventh Circuit En Banc Ruling Fails To Resolve Key Issue Regarding Victims’ Right To Confer With Prosecutors

Jonathan Sack reviewed the recent ruling which needs to clarify an important procedural issue under the CVRA: 'when does a victim’s right to confer arise – before charges are filed in court, or only afterward?'. 

Wednesday, May 12, 2021

Second Circuit Rulings Clarification May Affect Criminal Liability

Jonathan Sack co-authored an article discussing recent Second Circuit rulings clarifying the scope of criminal liability: non-disclosure agreements and insider trading.

Friday, March 12, 2021

Where’s the Quid? DOJ Tests the Limits of Public Corruption Law

Two recent federal prosecutions, in Ohio and Illinois, have drawn attention to the “quid” part of the equation – the thing of value a public official receives in return for a corrupt official act. In Jonathan Sack's latest New York Law Journal article, “Where’s the Quid? DOJ Tests the Limits of Public Corruption Law,” he discusses what these two prosecutions may say about federal public corruption law.

Friday, January 15, 2021

When Does Company Counsel Also Represent a Company Founder?

Jonathan Sack cautions that the legal standard makes it difficult for the individual to demonstrate a personal attorney-client relationship with the company counsel. 

Tuesday, November 10, 2020

The Supreme Court Will Interpret Another White-Collar Criminal Statute

Jonathan Sack’s recent article, published by the New York Law Journal, analyzes the Computer Fraud and Abuse Act which is soon to be considered by the Supreme Court in United States v. Van Buren.

Tuesday, June 30, 2020

DOJ's Updated Guidance for Evaluating Corporate Compliance Programs

In his latest contribution, Jonathan Sack discusses the DOJ’s updated compliance guidance, “Evaluation of Corporate Compliance Programs.”

Thursday, May 28, 2020

Crime Victims' Rights Act Challenged by Epstein Case

Writing for the "New York Law Journal," Jonathan Sack and his co-author evaluate the ruling by the U.S. Court of Appeals for the Eleventh Circuit that held that federal prosecutors did not have an obligation under the Crime Victims’ Rights Act to tell Jeffrey Epstein’s victims of the decision not to prosecute him for sex trafficking. 

Thursday, May 14, 2020

Employment Agreements Under (Dis)Stress

In his recent article in the "New York Law Journal," Jonathan Sack and his co-author look at employment contracts and how a change in compensation resulting from the coronavirus pandemic may trigger the employee's rights to severance, vesting of equity or options, and other benefits, and may impose added obligations on employers. 

Tuesday, April 14, 2020

A New Discovery Tool in Arbitration

In his article in "Forbes," Jonathan Sack explains the significance of a recent ruling by England’s highest court, which held that judicial process may be invoked to order depositions in support of a foreign arbitration.  

Tuesday, March 03, 2020

Revealing ‘Particulars’ In Criminal Fraud Cases

Jonathan Sack, in this article for the "New York Law Journal," discusses how while courts frequently deny particulars in fraud prosecutions, its advisable to seek a bill of particulars to help the defense avoid surprises at trial.

Friday, January 03, 2020

‘Bridgegate’ Uncovers Federalism in State Matters

The “New York Law Journal” published Jonathan Sack’s analysis of the influence that principles of federalism have had on Supreme Court decisions, using the “politically motivated” closure of traffic lanes along the George Washington Bridge in 2013, as an example.

Thursday, November 21, 2019

Materiality and Admissibility of Evidence In Criminal Securities Fraud Cases

The New York Law Journal recently published Jonathan Sack’s commentary on materiality in securities fraud prosecutions. Read about important decisions examining admissibility of evidence.

Tuesday, October 01, 2019

Limiting the Reach of the Supreme Court’s ‘McDonnell’ Decision

Jonathan Sack recently co-authored an article about the “official act” requirement set forth in the Supreme Court’s McDonnell decision and how recent 2nd Circuit decisions highlight how fluid key aspects of anti-bribery law remain.