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Ivan has experience preparing and prosecuting patent applications. Ivan has also conducted patentability analysis and legal research concerning legal issues associated with potential litigation.

Additionally, Ivan has experience preparing freedom to operate opinion letters and has drafted notice letters concerning infringement of registered trademarks.

Before joining Calfee, Ivan served as a Law Clerk and Patent Agent at Pearne & Gordon LLP.

Prior to attending law school, Ivan worked in a multitude of technical and business capacities for several large industrial companies in both Canada and the U.S., including The Linde Group and The Lincoln Electric Company. At the Linde Group, Ivan gained experience as an Applications Engineer focused on combustion technology for the iron and steel producing industries. As a Product Manager at The Lincoln Electric Company, Ivan collaborated with both Machine Research and Development and Applications Engineering in developing tungsten inert gas (TIG) welding product technology.

Ivan earned his J.D. from The University of Akron School of Law, where he served as the Assistant Editor of the Akron Law Review and as a Board Member and Treasurer of the Intellectual Property and Technology Law Association. Ivan also received the CALI award for Legal Drafting, Patent Office Litigation, IP Practicum, and International Patent Law.

Ivan earned his M.B.A. from Case Western Reserve University, Weatherhead School of Management and earned his B.S. in Industrial and Systems Engineering from The Ohio State University.

Ivan was admitted to practice as a Patent Agent in the United States Patent and Trademark Office in December of 2018.

Ivan joined Calfee as an Associate in 2020.

Honors & Recognitions

  • CALI Award Recipient for Patent Office Litigation, IP Practicum, International Patent Law, and Legal Drafting


J.D., summa cum laude, The University of Akron School of Law

M.B.A., Case Western Reserve University, Weatherhead School of Management

B.S., Industrial and Systems Engineering, The Ohio State University

Professional & Community

Professional & Community

  • Association of Croatian American Professionals, Member
  • Cleveland Intellectual Property Law Association, Member

Licensed In

  • Ohio
  • U.S. Patent and Trademark Office


  • Croatian
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