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Steven Kellner

Steve Kellner Kellner


Steve Kellner focuses his practice in the areas of domestic and foreign patent, trademark, and copyright prosecution; clearance, validity, and infringement investigations, analysis, and opinions; reexamination and reissue proceedings; trade secrets; IP portfolio development and management; licensing agreements; and due diligence.

Steve has represented a wide variety of clients in these areas, including medical device, insurance, wireless communications, and software companies, technology startups, businesses in the Fortune 500 and the Fortune 100 Fastest-Growing Companies lists, multi-national corporations, and individual inventors.

With experience in the electrical, mechanical, and chemical arts, Steve handles patent matters in computer software and hardware, financial services, electronic trading platforms, e-commerce, virtualization technologies, semiconductors and microelectronics, cloud computing, Internet of Things (IoT) devices, on-line gaming, internet browsing, networking, medical devices, business and insurance methods, and wireless communications.

Bar admissionsPennsylvaniaUnited States Patent and Trademark Office
CourtsUnited States District Court for the Eastern District of Pennsylvania
  • J.D., Drexel University
  • B.S., Engineering, Drexel University