Law Office of James Marc Leas


Patent Law

James Marc Leas is a patent lawyer in sole practice focusing exclusively on patent law. His patent practice includes preparing and prosecuting US and international patent applications, consulting clients who are developing or designing innovative products, preparing patentability and validity searches, and rendering patentability, infringement, and validity opinions.  


James combines broad technological skills in physics, electro-chemistry, electronics, semiconductor devices, materials, and processes, photovoltaics, optics, mechanical devices, apps, and software, with the ability to draft high quality patent applications including commercially valuable claims. 


James is a member of the Vermont Bar and is admitted to practice before the United States Patent and Trademark Office.  

Law Office of James Marc Leas

Registered Patent Attorney

Law Office of James Marc Leas

37 Butler Drive

South Burlington, Vermont 05403 

Free Telephone Consultation

802 864-1575 landline (voice)

802 734-8811 mobile (text)