John R. Mattingly

Mr. Mattingly is an experienced patent attorney and the firm’s managing partner. He was raised in the suburbs of Washington, D.C., and Mr. Mattingly graduated from the University of Maryland and the Northern Virginia Law School, where he was president of the student bar association. Mr. Mattingly’s technical expertise is in the electrical and mechanical arts. […]
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Shrinath Malur

Mr. Malur is a partner at Mattingly & Malur.  Mr. Malur’s practice focuses primarily on patent and trademark prosecution, client counseling and opinion writing. His expertise is in a variety of areas in the electrical and electro-mechanical fields.  During law school, he was a member of the Giles S. Rich Inn of Court.   He previously […]
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Colin D. Barnitz

Mr. Barnitz has extensive experience in preparing and prosecuting patent applications in a variety of technology areas including mobile devices, computer science, communication networks, Internet search technologies, storage systems, user interfaces, databases, semiconductors, optics, medical devices, micro machines, business methods, and general mechanical arts for clients ranging from startups to large multinational corporations. Mr. Barnitz […]
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Douglas R. Hanscom

Mr Hanscom has over 41 years of experience in the fields of patent and trademark law. His practice includes the preparation and prosecution of utility and design patent applications as well as the  preparation and prosecution of trademark and service mark applications. Mr Hanscom’s technical expertise extends to diverse technologies in the mechanical fields with […]
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Chun-Pok “Roger” Leung

Mr. Leung provides client counseling in intellectual property matters including patent strategy and portfolio management.  As a former partner at a large law firm, he managed a team of attorneys and paralegals to maintain a portfolio of over 700 patent matters for a large client.  He has prepared hundreds of patent applications and has prosecuted […]
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Nicholas R. Mattingly

Mr. Mattingly focuses on patent prosecution for foreign and domestic clients.  In addition, Mr. Mattingly writes patent applications in the electrical, mechanical, and software technical fields.  He also has experience in various aspects of infringement, validity analyses, claim construction, and discovery matters. Mr. Mattingly is experienced in handling patent matters in various technologies including networking, […]
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Jamie T. Nguyen

Jamie T. Nguyen is an associate with Mattingly & Malur, P.C. Mr. Nguyen concentrates his practice in intellectual property matters including patents, trademarks and copyrights, with a particular focus in patent prosecution including both domestic and foreign applications. He has experience in cases at various levels before the U.S. Patent and Trademark Office as well […]
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