Marielle C.Coutrix


New York + 1.212.326.3702

Marielle Coutrix focuses her practice on regulatory, compliance, and civil litigation matters in the health care industry. She counsels and represents health systems, provider networks, pharmaceutical and medical device manufacturers, and digital health and health technology companies.

Marielle has experience in investigations before the Department of Justice, Office of Inspector General, and state attorneys general. She also recently helped secure a full defense verdict in Kentucky state court, defeating a multibillion dollar fraud claim.

Marielle's regulatory practice involves advising clients in the digital health, food and drug, and transplantation space on a spectrum of legal issues relating to state and federal anti-kickback statutes, the Stark Law, FDA (Food & Drug Administration) marketing pathways, corporate practice of medicine, professional licensure, and HIPAA (Health Insurance Portability and Accountability Act). She also supports clients engaged in M&A and other strategic transactions.

Marielle maintains an active pro bono practice, representing clients in child support and immigration matters.

Marielle previously worked in grantmaking in reproductive and sexual health and while in law school also served as the managing notes editor for the Michigan Journal of Environmental and Administrative Law.


  • Norwest Equity Partners acquires Nationwide Organ Recovery Transport Alliance, LLCJones Day represented Norwest Equity Partners on its acquisition and financing of Nationwide Organ Recovery Transport Alliance, LLC, a provider of air and ground organ recovery transportation services.
  • Celgene wins complete defense verdict in case filed by health insurer, Humana Inc., relating to off-label use of cancer medicationsOn March 2, 2023, Jones Day prevailed in a five-week jury trial on behalf of Celgene Corporation in a lawsuit brought by health insurance company Humana, Inc.
  • KKR acquires IVI-RMA GlobalJones Day acted as U.S. counsel in the €3 billion acquisition of IVI-RMA, a group specialized in assisted reproduction techniques.
  • EagleTree Capital acquires Andronaco IndustriesJones Day advised EagleTree Capital in the acquisition and financing of Andronaco Industries, a leading provider of corrosion-resistant flow control technologies.