Overcame capital and market recognition issues

Unified Patent Portfolio − June 2005

Patents valid through 2015

Door opened for dramatic financial turn-around

Marketing joint venture with TPL

• 150 License candidates on notice

• Litigation by licensing team pending vs. 4 major candidates

• Patents extend through 2015

Slide 18

Evaluating market opportunities for IGNITE and

other portfolio technologies

Evaluating opportunities to acquire other

companies or technologies

Evaluating possible alternatives to address number

of outstanding shares and warrants

Patriot Scientific Patriot Scientific

Outlook Outlook…