Michael R. Blumenthal
Alternate image for Michael R. Blumenthal


  • Cleveland-Marshall College of Law (J.D., 1987)
  • The Ohio State University (B.S., 1984)


Bar Admissions
  • Ohio 1987
Court Admissions
  • U.S. Supreme Court
  • U.S. Court of Appeals for the Sixth Circuit
  • U.S. District Court for the Southern District of Ohio
  • U.S. District Court for the Northern District of Ohio


  • The Best Lawyers in America® - Cleveland: Commercial Litigation, 2024 - present
  • Martindale-Hubbell AV Preeminent® Peer Review Rated Lawyer  
  • Ohio Super Lawyers, Environmental Law



Currently, Michael is working with Ohio EPA in rolling out a certification program for water quality professionals for collecting data to assess streams and categorize wetlands, in support of applications for Section 401 Water Quality Certifications and Isolated Wetland Permits. He is actively involved in seeking “common sense” and practical solutions related to emerging contaminants (“forever chemicals”). Michael is participating in a variety of rulemaking committees representing the interests of private industry.

  • American Bar Association, Sections of Natural Resources, Energy, and Environmental Law and Real Property, Probate, and Trust Law
  • Member of Infrastructure and Regulated Industries Section American Bar Association
  • International Council of Shopping Centers
  • Great Lakes Petroleum Retailers and Allied Trades Association
  • Ohio Manufacturers Association
  • Bureau of Underground Storage Tank Regulations Rulemaking Advisory Committee, 2003–2004
  • Dr. Bob’s House Board Trustee and Legal Counsel, 2008 to date
  • Ohio EPA Groundwater Rule Advisory Committee for Ohio's Brownfield Program, 2005
  • Ohio Petroleum Marketers and Convenience Store Association Legal Counsel – Overseeing BUSTR’s five-year rule revision process on behalf of petroleum marketers


Michael is a member of the board of trustees of both Stella Maris, Inc. and Fresh Start, Inc., nonprofit corporations focused on providing alcohol and chemical dependency treatment and mental health services to the indigent and homeless.

He is a member of the board and active in fundraising for the Ohio Kidney Foundation and is involved with county task forces examining the opioid crisis and working to streamline the drug court process.