CARLSBAD, Calif. – Sept. 10, 2007 – Patriot Scientific (OTC Bulletin Board: PTSC) announced today that Denso Wave Incorporated has purchased a license for the company's microprocessor-related patent portfolio. Headquartered in Tokyo, Denso Wave becomes the 23rd licensee of the company's valuable portfolio and the third licensee in two weeks.

CARLSBAD, Calif. – October 3, 2007 – Patriot Scientific (OTC Bulletin Board: PTSC) announced 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.

CARLSBAD, Calif. – October 29, 2007 – Patriot Scientific (OTC Bulletin Board: PTSC) announced today that Royal Philips Electronics has purchased a Moore Microprocessor Patent (MMP) Portfolio license. Philips becomes the 23rd MMP licensee in as many months and the third major European company to purchase a license following Schneider Electric and Nokia Corporation.