Biography Photo of Gregory L Mayback

Gregory L. Mayback

During his 26-year career, Mr. Mayback has participated in the issuance of over 1620 patents. His qualifications extend past his electrical engineering training to include diverse technical areas including medical devices and medicine, semiconductors, computer hardware and software, automotive power and security systems, power generation (nuclear and fossil fuel), and telecommunications. Mr. Mayback is a named inventor on twenty issued patents.

Mr. Mayback was the lead patent attorney in the patent infringement case Powell v. The Home Depot USA, Inc., in which the plaintiff was awarded damages and attorneys fees of over $24.5 Million for intentionally infringing a radial arm saw safety device.

Mr. Mayback’s activities with clients include launching a rocket over 21 miles above the Black Rock Desert and off-road motorcycle riding in the jungles of Costa Rica and on the Baja 1000 rally course.

Education & Credentials


University of Miami School of Law

J.D., 1992
  • with Honors

Vanderbilt University

B.S., Electrical Engineering, 1986
  • with Honors

Bar Admission

  • Florida1992


  • Best Lawyers in America®
    • Patent Law, 2023 
  • Chambers USA, America's Leading Lawyers for Business
    •   Intellectual Property
  • Martindale-Hubbell®
    • AV-Preeminent® Rating
  • Florida Super Lawyers®
    • Top 5% of the State’s Lawyers, 2007–2019, 2021-2022
  • Florida Trend Magazine
    • "Legal Elite™," Top 2% of the State’s Lawyers 2004–2006, 2008–2016 
  • South Florida Legal Guide
    • "Top Lawyer," 2007, 2009, 2012–2018, 2021
  • South Florida Business Journal
    • "Best of the Bar," 2003–2005

Prominent Assignments

Expert witness in a case where the patent attorney was alleged to have committed malpractice and later was publicly reprimanded by the Florida Board of Governors following a July 13 court order for failing to adequately communicate with a client and engaged in conduct prejudicial to the administration of justice. Thrisoint Pty. Ltd., and EPRT Technologies, Inc. v. John H. Faro and Technology Business Law Group, LLC d/b/a Faro & Associates., U.S. District Court for the S. Dist. of Fla., CASE NO: 13-CV-23893 HUCK-O’SULLIVAN

Expert Witness: CARDUSA, Inc. v. Magnetic Ticket & Label Corp., U.S. District Court for the S. Dist. of Fla., CASE NO: 06-CV-60747 HURLEY-HOPKINS

Expert Witness: Omni Pharmaceutical, LLC v. Manuel Viamonte, Jr./Manuel Viamonte, Jr. v. Omni Pharmaceutical LLC, Karim Pirani, et al., 11TH Judicial Circuit, Miami-Dade County, Florida, Civil Division, CASE NO.: 04 25539 CA 06

Professional Involvement

  • Appointed to the Biomedical Engineering Industrial Advisory Board of the University of Miami Department of Biomedical Engineering 2014 to present
  • Board of Directors of the International Network of Boutique Law Firms 2015 to 2018
  • Past Co-Chairman of the Intellectual Property Committee of the Broward County Bar Association
  • Law Clerk, Honorable C. Clyde Atkins, Senior Judge, U.S. District Court for the Southern District of Florida (1992-1994)

Community Involvement

  • Volunteer Poll Watcher

Court Admissions

  • U.S. Supreme Court (2014-Present)
  • U.S. District Court, Southern District of Florida, General and Trial Bar (1993-Present)
  • U.S. District Court, Western District of Michigan (1997-1998)
  • U.S. Court of Appeals for the Eleventh Circuit (1997-1998)

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