Caterpillar Inc. Purchases MMP Portfolio License, According to Patriot Scientific Corporation

Wednesday, February 03, 2010

Carlsbad, CA -- Patriot Scientific Corporation (OTC Bulletin Board: PTSC) announced today that Caterpillar Inc. has purchased a Moore Microprocessor Patent™ (MMP) Portfolio license from The TPL Group.

Caterpillar becomes the 70th MMP Licensee and the first heavy equipment manufacturer to purchase a license since the launch of the MMP Licensing Program in 2005.

About the MMP Portfolio

The Moore Microprocessor Patent Portfolio contains intellectual property that is jointly owned by the privately-held TPL Group and publicly-held Patriot Scientific Corporation (OTCBB: PTSC - News). The MMP Portfolio includes seven U.S. patents as well as their European and Japanese counterparts. It is widely recognized that the MMP Portfolio protects fundamental technology used in microprocessors, microcontrollers, digital signal processors (DSPs), embedded processors and system-on-chip (SoC) devices. Manufacturers of microprocessor-based products can learn more about how to participate in the MMP Portfolio Licensing Program by contacting: mmp-licensing@alliacense.com.

About Patriot Scientific

Headquartered in Carlsbad, California, Patriot Scientific Corporation provides data sharing and secure data solutions for a connected world. Patriot Scientific addresses the expanding market opportunities in the healthcare, justice and public safety industries through its wholly owned subsidiary Patriot Data Solutions Group, Inc. These growth activities are funded with revenues generated, in a large part, from the continuing successful Moore Microprocessor Patent™ Portfolio licensing partnership with The TPL Group. Patriot Scientific's integrated core intelligence solution addresses the critical data/information sharing needs of the healthcare industry, the Department of Homeland Security, the Department of Justice, and federal, state, and local public safety and law enforcement agencies. For more information on Patriot Scientific Corporation, visit: www.ptsc.com.

Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995

Statements in this news release looking forward in time involve risks and uncertainties, including the risks associated with the effect of changing economic conditions, trends in the products markets, variations in the company's cash flow, market acceptance risks, patent litigation, technical development risks, seasonality and other risk factors detailed in the company's Securities and Exchange Commission filings.

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