The patent portfolio, marketed as the Moore Microprocessor Patent Portfolio, contains intellectual property that is jointly owned by the publicly held Patriot Scientific Corporation and the privately held TPL Group. The portfolio encompasses seven U.S. patents as well as their European and Japanese counterparts. Both TPL and Patriot assert that their jointly owned patents protect techniques used in designing microprocessors, microcontrollers, Digital Signal Processors (DSPs), embedded processors and System-on-Chip (SoC) implementations. Patriot Scientific and TPL believe at least three of the ten patents are elemental to virtually every microprocessor design. The three most significant of these patents are as follows:

• U.S. 5,809,336: Clocking CPU and I/O Separately
• U.S. 6,598,148: Use of Multiple Cores and Embedded Memory
• U.S. 5,784,584: Multiple Instruction Fetch

Dellbird:

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