• Harvard University 
    (B.A., 1993, magna cum laude
  • Oxford University 
    (B.A., 1995, with honors) (M.A., 2000)
  • Yale Law School 
    (J.D., 1998)


  • District of Columbia, New Jersey, and New York
  • United States Supreme Court
  • United States Courts of Appeals for the Fourth, Fifth, Sixth, Eighth, and Ninth Circuits
  • United States District Courts for the District of Columbia, the Eastern District of Michigan, and the District of New Jersey


Gregory S. Chernack's practice focuses on trial and appellate litigation involving complex legal issues with a particular emphasis on pharmaceutical products liability litigation.  He has appeared at numerous trials on behalf of Novartis Pharmaceuticals Corporation, including Hill v. Novartis Pharm. Corp., No. 1:06-cv-00939-JSR-SAB (E.D. Cal.) where he argued a Rule 50 motion that resulted in the granting of a directed verdict in favor of Novartis; Kyle v. Novartis Pharm. Corp., 1: 06-cv-00035-TBR (W.D. Ky.), which resulted in a defense verdict; and Brown v. Novartis Pharm. Corp., No. 7:08-CV-00130-FL (E.D.N.C.), a case which plaintiffs dismissed in the midst of trial.  He also successfully argued Simmons v. Novartis Pharm. Corp., No. 11-5053, 2012 WL 2016249 (6th Cir. June 5, 2012) on behalf of Novartis before the United States Court of Appeals for the Sixth Circuit.

With more than a decade of practice in the field of mass torts and complex litigation, Mr. Chernack has a broad range of litigation experience in state and federal court venues across the country.  He has appeared as counsel of record in cases brought in California, New Jersey, Pennsylvania, New York, Kentucky, Oregon, Ohio, Alabama, and North Carolina, among other states.  He has worked with numerous expert and company witnesses in preparation for trial and developed a number of successful defenses to various lawsuits around the country.  This work has included the representation of a vaccine manufacturer in defending numerous lawsuits brought against it.  As part of this representation, Mr. Chernack second chaired a three-week jury trial in Missouri state court and drafted various appellate and trial briefs.

In addition to his work involving pharmaceutical products liability cases, Mr. Chernack has worked on several cases before the United States Supreme Court involving issues ranging from patent law to immigration regulations, handled numerous other complex civil litigation matters including creditor protection in bankruptcy proceedings, and has handled several criminal matters pro bono.  He has also advised clients regarding regulatory compliance issues involving consumer products and medical devices.

Mr. Chernack served as law clerk to the Honorable Ralph K. Winter, Chief Judge, United States Court of Appeals for the Second Circuit and to the Honorable Jack B. Weinstein, Senior Judge, United States District Court for the Eastern District of New York.  He was a judge for The George Washington University Law School's 2008-2009 Van Vleck Moot Court Competition and was an Articles Editor of the Yale Law Journal.

Mr. Chernack is the Chairman of the Town Council of Section 5 of Chevy Chase.  He has served as an adjunct Professorial Lecturer in Law at George Washington University Law School and as President of the Board of the D.C. Public Library Foundation.


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