Source: s3://data.kl3m.ai/documents/govinfo/USCOURTS/USCOURTS-cand-3_09-cv-05235/USCOURTS-cand-3_09-cv-05235-109/pdf.json

Nature of Suit Code: 830
Nature of Suit: Patent
Cause of Action: 35:271 Patent Infringement

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United States District Court

For the Northern District of California

IN THE UNITED STATES DISTRICT COURT

FOR THE NORTHERN DISTRICT OF CALIFORNIA

POWER INTEGRATIONS, INC., a Delaware

corporation,

Plaintiff,

 v.

FAIRCHILD SEMICONDUCTOR

INTERNATIONAL, INC., a Delaware

Corporation, FAIRCHILD

SEIMCONDUCTOR CORPORATION, a

Delaware Corporation, and FAIRCHILD

(TAIWAN) CORPORATION, a Taiwanese

corporation,

Defendants. /

No. C 09-5235 MMC

ORDER DENYING MOTION FOR

FINDING OF UNENFORCEABILITY DUE

TO INEQUITABLE CONDUCT

Before the Court is the “Motion for a Finding that U.S. Patent No. 6,538,908 is

Unenforceable Due to Power Integrations’ Inequitable Conduct,” filed May 9, 2014, by

defendant Fairchild Semiconductor International, Inc., Fairchild Semiconductor Corporation,

and Fairchild (Taiwan) Corporation (collectively “Fairchild”). On January 26, 2015, the

Court conducted a bench trial on the matter, Blair M. Jacobs, Leigh J. Martinson, and

Christina A. Ondrick of McDermott Will & Emery LLP appearing on behalf of Fairchild and

Howard G. Pollack and Michael R. Headley of Fish & Richardson P.C. appearing on behalf

of Power Integrations. That same date, after the close of evidence, the Court stated on the

record its findings of fact and conclusions of law. 

Case 3:09-cv-05235-MMC Document 678 Filed 01/26/15 Page 1 of 2
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For the reasons stated on the record, the Court finds Fairchild has failed to show the

patent is unenforceable due to inequitable conduct, and accordingly, Fairchild’s motion is

hereby DENIED.

IT IS SO ORDERED.

Dated: January 26, 2015 

MAXINE M. CHESNEY

United States District Judge

Case 3:09-cv-05235-MMC Document 678 Filed 01/26/15 Page 2 of 2