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Samsung Wins Dismissal of ADM Claim Over Memory Patent

Samsung Electronics Co. won a judge’s dismissal of one of several claims that it infringed Advanced Micro Devices Inc. patents related to making memory chips.

U.S. District Judge Susan Illston in San Francisco ruled today that Samsung didn’t infringe patent 5,559,990, related to improving computer memory performance.

South Korea’s Samsung was accused in a 2008 complaint of making chips that incorporated inventions protected by seven AMD patents. The dispute is over dynamic random access memory, or DRAM; static random access memory, or SRAM; and NAND-flash memory chips.

Michael Silverman, a spokesman for Sunnyvale, California- based AMD, said the company is reviewing today’s court order.

“The ‘990 patent is one of several patents involved in the lawsuit, and the judge’s order does not impact AMD’s claims with respect to any of the remaining patents,” he said in an e-mail.

The case is Advanced Micro Devices Inc. v. Samsung Electronics Co., 3:08-cv-986, U.S. District Court, Northern District of California (San Francisco).

To contact the editor responsible for this story: David E. Rovella at

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