USPTO Upholds Rejections In Tessera Patent Re-Exam

Law360, New York (September 18, 2008, 12:00 AM EDT) -- The U.S. Patent and Trademark Office has again rejected a slew of claims under re-examination in a dispute over a Tessera Technologies Inc. patent related to semiconductor packaging technologies.

The inter partes re-examination proceedings for U.S. Patent Number 6,433,419 will now move to the Board of Patent Appeals and Interferences, the San Jose, Calif.-based technology company said in a statement Thursday.

The patent office, which has been reviewing five Tessera chip-packaging patents at issue in litigation, rejected all 23 claims submitted for re-examination, according to a...
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