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SanDisk claim patent infringement

By dpreview staff on Nov 5, 2001 at 04:00 GMT

SanDisk has, over the last two weeks filed two patent infringement claims against Micron, Memorex, Pretec, Ritek and PQI. Both (or all) of these claims are related to patents filed as "Flash EEPROM System". These appear to be similar to previous sucessful claims made against both Lexar and Viking. Steven S. Baik, senior intellectual property counsel said (in regards to the latest claim), "This action is a clear signal to these and other Taiwanese companies that SanDisk will vigorously assert its intellectual property rights against such companies."

Press release:

SanDisk Files Patent Infringement Claim Against Micron Technology In Federal District Court

SUNNYVALE, CA, Oct. 15, 2001 – SanDisk Corporation (NASDAQ:SNDK) announced today that it has filed a complaint in federal court against Micron Technology, Inc., Boise, ID, for infringement of a fundamental solid state flash memory system patent held by SanDisk. The action was filed in the United States District Court for the Northern District of California.

The patent, “Flash EEPROM System” (U.S. patent 6,149,316), was issued on November 21, 2000. SanDisk, a pioneering technology company in the flash memory market, holds more than 150 related patents.

Charles Van Orden, general counsel for SanDisk, said, “We believe Micron is using SanDisk’s patented technology in an attempt to unfairly capitalize upon the innovations and advancements developed by SanDisk. SanDisk intends to vigorously investigate and prosecute unlicensed companies that improperly use SanDisk’s patented technology.”

Press release:

SanDisk Corporation Files Patent Infringement Claim Against Memorex, Pretec Electronics, Ritek Corporation And PQI In Federal District Court

SUNNYVALE, CA, Oct. 31, 2001 - SanDisk Corporation (NASDAQ:SNDK) announced today that it has filed a complaint in the United States District Court for the Northern District of California against Memorex Products Inc., Santa Fe Springs, CA, Pretec Electronics Corporation, Fremont, CA, Ritek Corporation, Hsin-Chu, Taiwan, and Power Quotient International Co., Ltd, Fremont, CA, for infringement of SanDisk's United States Patent No. 5,602,987, a fundamental flash memory system patent.

The patent, "Flash EEPROM System" (U.S. Patent No. 5,602,987) was issued on February 11, 1997. The patent discloses and claims important aspects of the operation of removable flash memory cards, such as CompactFlash cards. SanDisk, a pioneering technology company in the flash memory market, holds more than 150 patents related to flash memory and flash memory systems.

Steven S. Baik, senior intellectual property counsel for SanDisk, said, "We believe that Memorex, Pretec, Ritek and PQI have been selling and offering for sale flash memory cards that infringe valid SanDisk patents. This action is a clear signal to these and other Taiwanese companies that SanDisk will vigorously assert its intellectual property rights against such companies."

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