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Amkor Technology Announces Rulings in Tessera Proceedings

13-Oct-2014 | Source : | Visits : 6279
CHANDLER, Ariz.- Amkor Technology Inc. today announced in a press release two rulings in its long-running dispute with Tessera Technologies, Inc. related to a license agreement entered into in 1996 between Tessera and Amkor’s predecessor. On October 10, 2014, the Patent Trial and Appeal Board at the United States Patent and Trademark Office, in an inter partes review proceeding, or IPR, ruled on our petition seeking cancellation of certain claims of US Patent No. 6,046,076. In a two-one decision, the IPR board reversed its preliminary determination and denied Amkor’s petition with respect to the most material claims. As previously reported, an arbitration panel has awarded Tessera royalties of $113 million plus interest, most of which relate to our alleged use of the ‘076 patent. The Superior Court for San Francisco County formally confirmed the arbitration panel’s award on October 9.

“We believe the decisions by the IPR board and Superior Court are in error and plan to pursue all avenues of appeal,” noted Gil Tily, Amkor’s executive vice president and general counsel. “The IPR was decided by a split decision, which is unusual for these types of proceedings. We strongly agree with the dissenting judge’s view that the ‘076 claims at issue are unpatentable and we plan to appeal the decision to the United States Court of Appeals for the Federal Circuit. Furthermore, the California state court ruling is just the initial step in the State Court confirmation process, and we will be challenging that decision in the appellate courts.”

Other proceedings with respect to the arbitration award in the California state appellate court and the United States District Court for the District of Delaware, which are described more fully in Amkor’s previous filings with the Securities and Exchange Commission, remain pending.

Amkor is a leading provider of semiconductor packaging and test services to semiconductor companies and electronics OEMs. More information about Amkor is available from the company's filings with the Securities and Exchange Commission and at Amkor's website:

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