Free Letter - District Court of Delaware - Delaware

Case 1:04-cv-01371-JJF

Document 662

Filed 01/07/2008

Page 1 of 1

FISH & RICHARDSON P.C.
Suite I100 919 N. Market Street P.O. Box 1114 Wilmington, Delaware 19899-1114

Frederick P. Fish 1855-1930 W.K. Richardson 1859-1951

LETTER BY ECF AND ENCLOSURE BY HAND January 7, 2008 Ms. Deborah Krett Case Manager United States District Court for the District of Delaware 844 King Street Wilmington, DE 19801 Re: Power Integrations , Inc. v. Fairchild Semiconductor International USDC-D. Del. - C.A. No. 04-1371 JJF

Telephone 3oz 652-5070 Facsimile 3oz 652-0607 Web Site www.fr.com

m
ATLANTA AUSTIN BOSTON DALLAS DELAWARE MUNICH NEW YORK SAN DIEGO SILICON VALLEY TWIN CITIES WASHINGTON, DC

Dear Ms. Krett: As we discussed with your office, we discovered that Exhibit B to the Declaration of William J. Marsden, Jr. In Support of Power Integration's Opposition to Fairchild's Motion for Judgment as a Matter of Law or in the Alternative for a New Trial Regarding the Invalidity of U.S. Patent No. 4,811,075 (D.I. 635) did not include the pages of DX 130 referred to in the accompanying brief (D.I. 634). A corrected copy of the declaration and exhibits, which were filed under seal on December 21, 2007, are attached for substitution. No other changes were made to the declaration or exhibits. Please accept our apologies for this error. Respectfully,

KWC/kxk Enclosure (2 copies of under seal declaration) cc: Steven J. Balick, Esq., (w/corrected Exhibit B) (By email) G. Hopkins Guy, III, Esq. (w/corrected Exhibit B) (By email)

80053719.doc