Michael S. Mayer

Michael counsels companies and litigates a variety of business and commercial cases. He has broad experience in arbitration, state court, and federal court actions by representing clients in a wide array of disputes, including contract, tortious interference, fiduciary duty, negligence, real property, non-competition agreement, employment discrimination, wage act, spoliation of evidence, trade secret, reinsurance, fraud, and other business litigation claims.

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Michael S. Mayer

(937) 227-3713

110 N. Main St., Suite 1600
Dayton, OH 45402

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Business and Commercial Disputes

  • Breach of Contract
  • Fraud
  • Tortious Interference
  • Negligence
  • Breach of Fiduciary Duty



Intellectual Property Disputes

  • Trade Secret
  • Copyright Infringement
  • Trademark Infringement

Class Action Defense

Employment Disputes

  • Non-compete Agreement
  • Discrimination
  • Wage Act

Supreme Court of Ohio


Supreme Court of Illinois


United States District Court for the Southern District of Ohio

United States District Court for the Northern District of Illinois


United States Court of Appeals for the Second Circuit


United States Court of Appeals for the Third Circuit

2011 Illinois Super Lawyers “Rising Star”

2003 Global Citizenship BBA Community Service Award from the Dean’s Counsel of the University of Michigan Business School (now the Ross School of Business)

American Bar Association


Federal Bar Association – Dayton Chapter


Ohio State Bar Association


CLE Advisory Committee, Ohio State Bar Association

Dayton Bar Association


Civil Trial Practice Committee, Dayton Bar Association


Carl D. Kessler Inn of Court

DePaul University College of Law


Juris Doctor (JD), magna cum laude


Order of the Coif


Dean’s Scholarship


Business Editor for the DePaul Journal of Sports


Law and Contemporary Problems


Multiple CALI awards

University of Michigan


Bachelors of Business Administration (BBA), with high distinction

Brigid’s Path, Board of Directors (2015–present)

St. Remy Parish, Volunteer (2012–present)

Habitat for Humanity, Volunteer (2015)

Dayton Bar Association, Bar Briefs magazine


Illinois Institute for Continuing Legal Education Civil Litigation Flash Point Series


Jablonski v. Ford Motor Co.: Attempting To Clarify The ‘Duty’ Analysis In A Negligent-Product-Design Case (December 2011).


Coleman v. Akpakpan: Adverse Consequences of Failure to Comply with Court Orders and Rules & Janowiak v. Tiesi: Retrospective Operations of Contracts (August 2010).


Doe v. Diocese of Dallas: Illinois Supreme Court Reaffirms That the Legislature Cannot Bring Time-Barred Claims Back From the Dead (October 2009).


Business and Commercial Litigation Handbook chapter regarding “Document Production and Organization,” Illinois Institute for Continuing Legal Education (2007) (co-author), as well as the Supplement to the chapter (2009) (co-author).


3 DePaul J. Sports L. & Contemp. Probs. 54 (Summer 2005) Stepping In To Step Out Of

Liability: The Proper Standard Of Liability For Referees In Foreseeable Judgment-Cal Situations.


American Bankruptcy Institute Journal (May 2010) (contributor) Caught in the Crossfire: The (Supposedly) Innocent Attorneys Who Represent Accused Fraudsters.


FIC Blog


Speaker, Ohio State Bar Association, “Litigation Skills — Alternative Dispute Resolution and Settlement” (September 2016)


Speaker, Dayton Bar Association, “Federal Practice Update — Corporate Representative Depositions” (December 2016)


The Licensing Journal, The Ohio State University v. CafePress, Inc.: Colleges Continue Trend of Aggressively Protecting Trademarks (Vol. 37 No. 2, February 2017)