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EPO Revokes Rambus Patent For Memory Chip

Law360 (February 12, 2004, 12:00 AM EST) -- The European Patent Office has revoked a patent for a semiconductor memory device from Rambus, following legal challenges initially filed in 2000 by three competing memory makers.

The revoked patent, number 0 525 068, related to a technology called "an access time register" and was effective in Germany, France, the U.K. and Italy.

The European Patent Office will explain why the patent was revoked when the agency releases its written decision in four to ten weeks, Rambus said.

Rambus filed for the European patent in 1991...
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