President, Informationism, Inc. (2004–present)
Senior Fellow, London Center for Policy Research (2015–present)
Partner, Rimon, P.C. (2011–14)
Law Clerk, Hon. Arthur Gajarsa, U.S. Court of Appeals for the Federal Circuit (2003–04)
Principal, Charles River Associates (2000-03)
President, Gordian Solutions, Inc. (1996-2000)
Director of Economic and Policy Analysis, Cambridge Research Associates, Inc. (1994–96)
Principal Scientist, Information Extraction and Transport, Inc. (1993–94)
Assistant Professor of Computer Science, University of Southern California (1987–93)
California (2000)
District of Columbia (2001)
New York (2013)
United States Court of Appeals for the Federal Circuit (2004)
United States Court of Appeals for the Second Circuit (2013)
Supreme Court of the United States (2005)
United States Patent and Trademark Office (2013)
The World Bank
Rensselaer Polytechnic Institute
Carnegie Mellon University
The Brattle Group
Arthur Anderson & Co.
Putnam, Hayes & Bartlett
Sheppard Mullin
Quinn Emanuel
DLA Piper
Boies Schiller
McDonnell, Boehnen, Hulbert & Berghoff
Turner Boyd
Bartlit Beck
O'Melveney & Meyers
Hantman Associates
Wiley Rein
Akin Gump
Rosen Saba
Rimon, P.C.
Dhillon & Smith
The Electric Frontier Foundation
ARCO
Proctor & Gamble
HotJobs
AOL
RealNetwork
Bandag
Pitney Bowes
IBM
Northrup
Duke Energy
Neopost
Aon Corp.
Zions National Bank
Nuance
Acteva