Skip to content


Benjamin Dach, Ph.D., is an experienced patent lawyer whose practice focuses on litigation and intellectual property law.  With a unique background in the chemical, biological and pharmaceutical fields, he leverages his deep knowledge to help clients protect and maximize the value of their innovations. 

Benjamin has extensive experience in all stages of patent litigation, including trials and post-grant proceedings before the USPTO's Patent Trial and Appeal Board (PTAB).  He also conducts patent searches and due diligence to assess the patentability and freedom-to-operate of new technologies, including those related to biology, chemistry, physics and engineering. 

Benjamin has experience with high profile cases involving cutting-edge technologies including crystalline drugs, genetic engineering and mRNA vaccines.  He is dedicated to providing practical solutions and achieving the best possible outcomes for his clients.  Benjamin also has a strong pro bono practice assisting U.S. veterans, international refugees, non-profits promoting mental health and suicide prevention and organizations fighting anti-Semitism.


  • Fordham University School of Law, J.D.
  • Columbia University, Ph.D.
  • Yeshiva University, B.A., magna cum laude

Bar Admissions

  • New York
  • New Jersey
  • United States Patent and Trademark Office


  • Hebrew