Christine D.Prorok


Chicago + 1.312.269.4113

Christine Prorok represents and counsels clients in a variety of complex commercial litigation matters in state and federal courts, including contractual disputes and business torts. She has diverse litigation experience, including briefing and motions practice, offensive and defensive discovery, and preparation of witnesses.

Christine maintains an active pro bono practice, representing immigrants in asylum proceedings, as well as plaintiffs in a class action that challenged an administrative rule governing child neglect investigations. She also recently assisted with drafting an amicus brief relating to criminal sentencing.


  • 3D Systems defends antitrust lawsuit brought by KLS Martin against Medical ModelingJones Day defended a lawsuit brought by KLS Martin, Inc. against Medical Modeling, Inc., a wholly-owned subsidiary of 3D Systems, Inc., for violations of the Florida antitrust act and other laws.
  • Timken acquires Cone DriveJones Day advised The Timken Company in its acquisition of Cone Drive, a leader in precision drives used in diverse markets including solar, automation, aerial platforms, and food and beverage.
  • Data security company obtains dismissal of trade secret and tortious interference claimsJones Day successfully defended a data security company against claims of tortious interference and violations of the Illinois Trade Secrets Act.
  • NACDL amicus brief provides impetus for Supreme Court criminal sentencing decisionCiting an amicus brief authored by Jones Day for the National Association of Criminal Defense Lawyers ("NACDL"), the Supreme Court resolved a longstanding question of criminal resentencing law that fractured the Court seven years earlier.
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