More Tessera Patent Claims Rejected In Re-Exam

Law360, New York (March 3, 2008, 12:00 AM EST) -- The U.S. Patent and Trademark Office has rejected claims for the fourth of five chip-packaging patents asserted by Tessera Inc. against an array of microchip firms.

The decision is the latest in a series of office actions that prompted the U.S. International Trade Commission last week to stay proceedings involving Tessera's multiple infringement complaints pending the re-examination of two related patents.

The USPTO notified Siliconware Precision Industries Co. Ltd., which had requested the re-examinations in its dispute with Tessera, that it had initially rejected U.S. Patent...
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