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Stephen E. Zlatos

Of Counsel

Steve is a highly experienced trial lawyer with 35 years of experience in both state and federal courts. He has handled a wide range of patent and intellectual property cases and is considered the Firm’s leading specialist in trying the damages portion of the case, including lost profit and reasonable royalty based damages recoveries. He has a Bachelor of Science degree in Interdisciplinary Engineering Studies from Purdue University and a J.D. degree from the Indiana University School of Law-Indianapolis, where he was a member of Phi Delta Phi legal society and an Associate Editor of the Indiana Law Review. Prior to joining the Firm in 1981, Steve served as Deputy Attorney General for the State of Indiana from 1977 to 1981, and was the chief attorney in the Environmental Section. Earlier, he obtained technical experience as a product engineer with Sheller-Globe Corp., an automotive parts manufacturer located in Union City, Indiana.

Steve has been a partner of the Firm since 1986 and was elected to serve as one of its managing partners in 2003. During his career as a patent attorney, he has represented inventors in patent litigation in federal courts throughout the United States. He has been an active member of the American Trial Lawyers Association and served as chair of the Intellectual Property Section of the Indiana State Bar Association. In 2003, Steve was appointed Honorary Consul for Slovak Republic. His consulate area includes the States of Indiana, Kentucky and Tennessee. He has traveled extensively throughout Central Europe, speaks Slovak, and is active in assisting Indiana companies in developing business ties there.


  • Purdue University
    B.S. Interdisciplinary Engineering Studies, 1973
  • Indiana University Robert H. McKinney School of Law
    J.D., 1977

Bar Admissions

  • Indiana, 1977
  • U.S. Patent and Trademark Office, 1980

Professional Affiliations

American Bar Association


2009 AICELS Law Review, Journal on Central European Law: “Interview: Specialist in US Patent Law”
Presentations and Speaking Engagements

2008 Visiting Lecturer on Intellectual Property Law, Masaryk University, Brno, Czech Republic

November 13, 2008 Indiana Continuing Legal Education Seminar: Patent Litigation Summit’ -- “Mock Markman Hearing: The case of Terumo v. WAM Technologies”

November 16, 2006 Indiana Continuing Legal Education Seminar: Patent Litigation Summit’ -- “Choosing Where to Sue And Reining In The Costs”


Appointed Honorary Consul for the Slovak Republic, 2003-present

Editorial Board, American Institute for European Law Studies, 2008-present

Past Chairman, Patent, Trademark & Copyright Section, Indiana Bar Association