American Power Conversion (APC) to be Covered by Patent License

CARLSBAD, Calif. -- October 4, 2007 -- Patriot Scientificannounced today that Schneider Electric SA has purchased a license to the company's Moore Microprocessor Patent™ (MMP) Portfolio to cover its recently acquired business unit, American Power Conversion (APC). Headquartered in France, Schneider Electric purchased its initial MMP license in 2006.

"We are proud of the relationship we've built with Schneider Electric," said Andre-Pascal Chauvin, Vice President of Licensing at Patriot Scientific's licensing partner Alliacense. "As Schneider Electric continues to drive dramatic changes in the power and control industry, the company has shown true vision in embracing leadership technologies. The MMP Portfolio is adding real value to their market success, and enabling real growth."

The broad scope and sweeping applicability of the MMP Portfolio continues to encourage manufacturers of end-user products from around the world to become MMP licensees. More than 20 companies have already purchased MMP licenses, including such industry giants as Hewlett Packard, Intel, AMD, Sony, Casio, Fujitsu, Nikon, Seiko Epson, Pentax, Olympus, Kenwood, Agilent, Lexmark, NEC Corporation, Funai Electric, SanDisk, Sharp Corporation, Nokia, Bull, LEGO, and others.

About Patriot Scientific

Patriot Scientific is a leading intellectual-property licensing company that develops, markets, and enables innovative technologies that satisfy the demands of fast-growing markets for wireless devices, smart cards, home appliances, network gateways, set-top boxes, entertainment technology, automotive telematics, biomedical devices, industrial controllers and more. Headquartered in Carlsbad, Calif., information about the company can be found at http://www.ptsc.com.

About the MMP Portfolio

The Moore Microprocessor Patent (MMP) Portfolio contains intellectual property that is jointly owned by the privately held TPL Group and publicly held Patriot Scientific Corporation (OTCBB: PTSC). The portfolio includes seven U.S. patents as well as their European and Japanese counterparts. It is becoming widely recognized that these patents protect fundamental technology used in designing microprocessors, microcontrollers, digital signal processors (DSPs), embedded processors and system-on-chip (SoC) devices. The MMP portfolio is exclusively managed by Alliacense, a TPL Group Enterprise.