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Dennis Cohen practices complex commercial litigations and white collar investigations, in both federal and state courts.

Dennis handles all aspects of trials, hearings and appeals in trial and appellate courts, including oral argument, witness examination, taking and defending depositions, drafting and filing of briefs, discovery management and settling of judgments. He also handles large-scale investigations, including interviews, document management, issue analysis and investigation strategy.

Dennis has represented individuals and corporations in the financial services, technology, media and sports and entertainment industries. He has litigated unfair trade practice, intellectual property and First Amendment cases. He has practiced in several state and federal courts and has represented clients in connection with United States Attorney’s Office, Securities and Exchange Commission, Federal Bureau of Investigations, Ontario Securities Commission, Royal Canadian Mounted Police, New York County District Attorney’s Office and New York State Attorney General’s Office investigations.

His commercial cases have included the following typical representations and achievements:

• Dismissal by forum non conveniens of a litigation representing a threat to the company’s existence, representing a foreign software company against a multibillion-dollar software giant in federal court;
• Dismissal by forum non conveniens in state court for an out-of-state manufacturer against a competitor;
• Investigation of accounting-related matters and handling of subsequent litigations for the court-appointed Madoff trustee;
• Multiyear state court litigation for a substantial New York-based commercial landlord, including successful litigation against insurance companies, dispositive motions and extensive discovery; and
• Large-scale securities class action litigations and discovery management involving millions of pages of documents.

His white collar defense and investigation cases have included the following typical representations and achievements:

• Investigated several hundred million dollars of fraudulent transfers recoverable by court-appointed receiver;
• Briefed, argued and won a criminal appeal, including Constitutional issues, for which he was sworn in as a Special Assistant District Attorney by New York D.A. Robert Morganthau;
• Defended SEC investigation into insurance company, disposed of without major discovery or interviews of certain top executives;
• Handled a multi-count criminal trial, including jury selection, delivering the opening statement, arguing motions in limine and conducting witness cross examination;
• Drafted First Amendment-based dismissal brief in criminal investigation;
• Represented high profile witness in sports gambling FBI investigation;
• Monitored a multinational conglomerate regarding RFP procedures in connection with a state agency investigation; and
• Serves among core team of investigators unraveling Ponzi scheme, handling initial document management, working with FBI, USAO and SEC, and winding down business on behalf of court-appointed trustee in key first months of Madoff investigation.

During law school, Dennis served as an Articles and Notes Editor and contributor to the New York University School of Law Journal of International Law and Politics and was also a contributor to the East European Constitutional Review.

Dennis is a member of the American and New York State Bar Associations and the Association of the Bar of the City of New York.