Free Redacted Document - District Court of Delaware - Delaware

Case 1 :04-cv-01371-JJF Document 682 Filed 02/13/2008 Page 1 of 4
Asn-¤BY & GE¤¤Es
ATTORNEYS Ann COUNSELLORS AT LAW T¤L¢PH¤N¢
302-884-Ill!
soo DELAWARE Avenue
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P. O. BOX I|5O :•¤2·a¤4-aoav
WILMINGTON, DELAWARE 19899
February 6, 2008
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The Honorable Joseph J. Farnan, Jr. PUBLIC VERSION
United States District Court
844 King Street
Wilmington, DE 19801
Re: Power Integrations, Inc. v. Fairchild Semiconductor International, Inc., et al.,
C.A. No. 04-1371-JJF
Dear Judge Faman:
We write on F airchild’s behalf in response to Power Integrations’ January 29, 2008 letter
to the Court (D.I. 677) enclosing ai REDACTED _
` V Although Power Integrations claims that the Dyson Letter
supports its post-trial motions for permanent injunction and an accounting in this matter, the
Dyson L<·>¤¤r—- REDACTED . ,
that appears to have prompted Dyson to send it—actually demonstrate just the opposite: that
Fairchild has taken substantial efforts to prevent any further infringement of Power Integrations'
patents—in-suit, that Fairchild’s customers and even downstream third-party purchasers like
Dyson also are taking substantial efforts to prevent any further infringement, and that such
efforts have bome fruit.
‘ ‘ REDACTED
Two weeks after receiving the Fairchild Notice, Dyson sent the Dyson Letter to advise
Power Integrations that ? `
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Case 1 :04-cv-01371-JJF Document 682 Filed 02/13/2008 Page 2 of 4
The Honorable Joseph J. Farnan, Jr.
February 6, 2008
Page 2
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When viewed in context, the Dyson Letter (like the Fairchild Notice that appears to have
prompted it) in no way supports Power Integrations' request for an injunction. Rather, the Dyson
Letter and Fairchild Notice demonstrate that:
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Respectfully,
John G. Day
John G. Day
JGD/nml
187928.1
c: William J. Marsden, J r. Esquire (by hand)
Frank E. Scherkenbach, Esquire (via electronic mail)
Howard G. Pollack, Esquire (via electronic mail)
G. Hopkins Guy, IH, Esquire (via electronic mail)
1 Put into perspective, an assumption that all 18,000 Dyson units contain infringing Fairchild
components that cost 25 cents per component yields total damages of $675.00 at the 15% royalty rate
applied by the jury in this matter.

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