DIRECTV Joins Ranks of MMP Patent Portfolio Licensees

CARLSBAD, Calif. - Feb. 8, 2008 - Patriot Scientific announced today that The DIRECTV Group has purchased a Moore Microprocessor Patent™ (MMP) Portfolio license from The TPL Group, Patriot's exclusive licensing partner. DIRECTV distributes digital entertainment programming via satellite to residential and commercial subscribers.

"We welcome DIRECTV to the rapidly growing list of MMP licensees," said Carl Silverman, vice president of licensing for Alliacense. "The recently announced settlement in the MMP patent-infringement case, together with a favorable Markman ruling, have really ignited our licensing activity."

"Everyone knows DIRECTV and their inclusion in the ever-expanding ranks of MMP licensees really underscores the ubiquity of this valuable technology," said Patriot's President and CEO, Jim Turley.

The sweeping scope of applications using MMP Portfolio design techniques continues to encourage the world's leading manufacturers of end user products from around the globe to become MMP Portfolio licensees. Since January 2006 over 30 global companies from the U.S., Europe, Japan, Korea and Taiwan have purchased MMP Portfolio licenses.

About DIRECTV

The DIRECTV Group (NASDAQ:DTV) is a world-leading provider of digital television entertainment services. Through its subsidiaries and affiliated companies in the United States, Brazil, Mexico and other countries in Latin America, the DIRECTV Group provides digital television service to more than 16.6 million customers in the United States and over 4.6 million customers in Latin America. For more information on DIRECTV, visit http://www.directv.com.

About the MMP Portfolio

The Moore Microprocessor Patent Portfolio contain intellectual property that is jointly owned by the privately held TPL Group and publicly held Patriot Scientific Corporation. The portfolio includes seven U.S. Patents as well as their European and Japanese counterparts. 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 Alliacense

Alliacense is a TPL Group Enterprise executing best-in-class design and implementation of Intellectual Property (IP) licensing programs. As a cadre of IP licensing strategists, technology experts, and experienced business development/management executives, Alliacense focuses on expanding the awareness and value of TPL's IP portfolios. Founded in 1988, The TPL Group has emerged as a coalition of high technology enterprises involved in the development, management and commercialization of proprietary product technologies as well as the design, manufacture and sales of proprietary products based on those technologies and corresponding IP assets. For more information, visit www.alliacense.com.

About Patriot Scientific Corporation

Patriot Scientific (OTCBB: PTSC) is a leading intellectual property licensing company that develops, markets, and enables innovative technologies to address the demands in fast-growing markets such as wireless devices, smart cards, home appliances and gateways, set-top boxes, entertainment technology, automotive telematics, biomedical devices, and industrial controllers. Headquartered in Carlsbad, Calif., information about the company can be found at www.ptsc.com.

An investment profile on Patriot Scientific may be found at http://www.hawkassociates.com/ptscprofile.aspx. Copies of Patriot Scientific press releases, current price quotes, stock charts and other valuable information for investors may be found at http://www.hawkassociates.com and http://www.americanmicrocaps.com.