Practice Areas



  • Top Corporate Counsel, Class of 2015, dbusiness


  • Michigan State Bar, 1998
  • U.S. Patent and Trademark Office, 1994


The Ohio State University College of Law, J.D., 1993

Michigan State University, B.S. Chemical Engineering, 1988

Photo of Susan M. Zerull

Susan M. Zerull


Susan Zerull joined Cantor Colburn after 25 years as in-house counsel at The Dow Chemical Company, Imation, and 3M. Her practice concentrates on patent procurement, developing intellectual property strategies, and complex intellectual property transactions. She brings a pragmatic, business focused, and global view to her practice. Susan’s technical areas of expertise include polymers, electronic materials and devices, photovoltaics, solar modules, small molecules, chemical formulations, chemical processes, and pharmaceuticals.

Experience Highlights

Counsel, Cantor Colburn, 2018-present

Managing Counsel, IP Law, The Dow Chemical Company, 1998-2018

Patent Attorney, Imation, 1996-1998

Patent Attorney, 3M, 1993-1996

Research Engineer, The Dow Chemical Company, 1988-1990 


Professional Affiliations

Intellectual Property Owners Association (IPO)