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...

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...

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,...

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...

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...

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...
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