Rex A. Donnelly – Patent Expertise

Rex’s patent expertise has been honed through hands-on involvement in the preparation and prosecution of nearly two decades worth of U.S. utility and design patents and their international counterparts. Rex’s mechanical engineering background and chemical industry experience informs his patent prosecution experience in a number of fields, including medical devices, software, imaging, packaging, optics, heat transfer, fluid handling, chemical processing, waste treatment, business methods, and security devices.

Prior to becoming an attorney, Rex spent 10 years with a Fortune 15 global chemical manufacturer as an engineer and environmental coordinator with responsibility for various chemical process and environmental technologies. Rex’s extensive technical experience with large corporation and his broad base of intellectual property law experiences in a variety of technologies provide a solid understanding of the technical and legal issues facing clients who  need patent protection. Rex’s extensive patent litigation, licensing, and risk management experience focuses his patent preparation and prosecution practice toward maximizing the scope, validity, enforceability, and commercial value of issued patents.

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Rex A. Donnelly Shareholder | Wilmington, DE

P: (302) 778-3460
F: (302) 778-2600

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Practice Expertise