V-Card | Print | PDF | Email Page

David M. Maiorana (Dave)


(T) +1.216.586.7499
(F) +1.216.579.0212


  • American University (J.D. summa cum laude 1997; Federal Circuit Editor, Law Review); University of Virginia (B.S.Ch.E. 1992)

Bar Admissions

  • Ohio; Virginia; U.S. Courts of Appeals for the Federal and Fourth Circuits; U.S. District Courts for the Northern and Southern Districts of Ohio, Eastern District of Virginia, Eastern District of Texas, Eastern District of Michigan, and Northern District of Illinois; and registered to practice before the U.S. Patent and Trademark Office

Government Service

  • Patent Examiner, U.S. Patent and Trademark Office (1992-1997)

Dave Maiorana is a trial lawyer with a notable combination of significant experience as a USPTO examiner along with 20 years litigating complex intellectual property matters. He has represented clients as both plaintiffs and defendants around the country and in the ITC. Dave has experience in diverse technology areas, including teeth whitening, diapers, fem care, antibodies, self-inflating tires, oxygen concentrators, flash memory, and digital cameras.

Dave recently served as first-chair trial counsel for Canon in a case before the ITC and the district court, where, in both cases, all of Canon's products were found noninfringing and Canon was awarded its district court attorneys' fees.

Dave has successfully represented Procter & Gamble for many years, including as lead counsel in patent litigation matters. He recently represented P&G as a patentee plaintiff, successfully moving for a preliminary injunction. In another case as lead counsel for P&G, Dave won summary judgment of infringement and no invalidity.

Dave leverages his USPTO and trial lawyer experience as lead counsel in many inter partes review proceedings before the PTAB. His PTAB experience includes multiple proceedings where he obtained complete denial of IPR petitions on behalf of patent owner, including four recent IPRs relating to a pharmaceutical formulation patent.

Dave is "flexible, friendly and easy to work with" and is "highly skilled in matters before the USPTO and in ITC issues" (Legal 500).

Dave is a member of the ITC Trial Lawyers Association, the IPO ITC Committee, ABA (Intellectual Property Law Section), AIPLA, Cleveland IP Law Association, and Cleveland Metropolitan Bar Association.

Honors & Distinctions

  • The Best Lawyers in America, recognized for intellectual property — litigation (2019)

    The Legal 500 US, recommended for intellectual property — patent litigation: full coverage (2015, 2017)

    Managing Intellectual Property IP STARS (2017, 2018)
David Maiorana Dave