Photo of Aaron R. Ettelman

Aaron R. Ettelman

Aaron R. Ettelman is a shareholder in the firm’s Intellectual Property Department focusing his practice on all aspects of intellectual property rights, including patent prosecution, counseling and opinions, due diligence, post-issuance proceedings, litigation, and licensing.
While Mr. Ettelman’s scientific background is rooted in chemistry, his practice has spanned the technological spectrum and has included work in liquid crystal display technology, electro-optic materials and devices, organic synthesis, pharmaceuticals, vitamins and dietary supplements, the cannabis industry, agricultural technology, cosmetics, medical devices, fuels and lubricants, coatings, electrochemical and battery sciences, semiconductors and nonvolatile memory, and mineral extraction.
Earlier in his career, Aaron was the chief intellectual property counsel and assistant secretary for the U.S. subsidiary of a global specialty chemicals company where he was responsible for all North American IP matters.
Mr. Ettelman received his Bachelor of Science degree in chemistry with honors from Lehigh University and his juris doctor from Temple University Beasley School of Law where he was a staff member at the Temple Law Review.
Aaron is admitted to practice before the U.S. Patent and Trademark Office and is a member of the Pennsylvania and Delaware Bars. 

  • Selected to Best Lawyers in America® in the areas of Intellectual Property Litigation - Patent, 2019 - 2024
  • Pennsylvania Bar Association, Member
  • Delaware State Bar Association, Member

Articles & Alerts


  • Delaware
  • Pennsylvania
  • United States District Court - District of Delaware
  • United States District Court - Eastern District of Pennsylvania
  • United States Court of Appeals - Federal Circuit
  • U.S. Patent and Trademark Office


  • Temple University Beasley School of Law, J.D., 1999
    • Member, Temple Law Law Review
  • Lehigh University, B.S., Chemistry, 1995

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