Mark Sadaka

Sadaka Associates LLC

$ $$$

North Dean Street 155
Englewood 07631 NJ US

Mark T. Sadaka is the principal of Sadaka Associates, LLC, in Englewood, New Jersey with offices in New York and Maryland. He is an accomplished trial lawyer with a specialized medical background that has made him leader and invaluable resource in the realm of medically complicated cases. Mr. Sadaka represents people hurt by defective drugs, medical devices, vaccines, exposure to hazardous chemicals, and other dangerous products. He also represents victims of corporate fraud.

Mr. Sadaka is well known for his advocacy of socially important litigation. He is a tireless advocate of consumer rights and upholds the view that large corporations have a social responsibility of safety and integrity when conducting business. He is not afraid to take on corporations with nearly unlimited resources who violate their social responsibilities to the public. Mr. Sadaka’s commitment to social justice has made him a leader in the court room.

Mark Sadaka has successfully brought a number of first-of-its-kind defective drug related lawsuits, including brain damage caused by Zostavax and aggressive prostate cancer caused by Avodart. Through nine years of persistence and innovation, Mr. Sadaka was the first ever to successfully prove that the Gardasil vaccine killed a 21-year old woman in Tarsell v. DHHS, 10-cv-251-.

He is selected as co-lead counsel and co-science chair for a nationwide product liability lawsuit alleging that the Zostavax, a vaccine that contains live virus, causes serious injuries to people ages 50 years and older. He has represented thousands of people harmed by products such as pharmaceuticals, medical devices, and vaccines.

Under his leadership, Sadaka Associates has earned millions in settlements for clients in individual and class action cases involving wrongful death, defective products, failure to warn about the side effects of specific products and drugs, and consumer fraud.

Mr. Sadaka’s expertise in both science and law makes Mr. Sadaka a highly valued, trusted counsel to his clients. Mr. Sadaka has a truly unique educational foundation that provides an unparalleled understanding of his craft.


  • JD, Washington University School of Law, St. Louis, MO
  • BS, The Pennsylvania State University, University Park, PA

Court Admissions:

  • New Jersey
  • New York
  • Pennsylvania
  • E.D.N.Y.
  • D.N.J.
  • S.D.N.Y.
  • W.D.N.Y.
  • Federal Court of Claims
  • United States Court of Appeals for the 3rd Circuit


  • American Association for Justice
  • American Inn Of Court
  • American Public Health Association
  • Court of Federal Claims Bar Association
  • New Jersey American Association for Justice
  • New York State Trial Lawyers Association
  • New York State Bar Association
  • Society for Environmental Toxicology and Chemistry


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North Dean Street 155
Englewood 07631 NJ US
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