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PTO Rejects Claims In Synopsys Patent Again

Law360 (March 16, 2007, 12:00 AM EDT) -- The U.S. Patent and Trademark Office has, for the second time, rejected all claims in a patent at the center of a dispute between Magma Design Automation Inc. and Synopsys Inc., Magma said Friday.

Last year, the PTO rejected all 15 claims in the patent, U.S. Patent No. 6,378,114, after an initial reexamination, but the ruling did not invalidate the patent. Magma requested the second evaluation in December, after discovering additional prior art and asserting that Synopsys had not properly cited it when applying for the...
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