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Case 1:04-cv-00343-JJF Document 729-4 Filed 07/19/2007 Page1 of 2

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H Erie? l CONNOLLY BOVE LODGE 8: l··l1U"i`Z LLP
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Scott R. Miller {
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_ Via Email and US Mail _ ¤..,
Cass W. Christensen, Esq. mwWw_Cb,h_mm
McKenna Long & Aldridge LLP
1900 K Street, NW .
Washington, DC 20006-1108
Re: LG.Plzilzps LCD C0., Ltd. v. ViewSonic Corp., et al.
USDC Case No. 04-343 JJF A
Dear Cass:
Based upon discoveryi'V`iewSonic has obtained in the above—referenced action,
ViewSonic now has evidentiary support to more clearly plead its inequitable conduct
affirmative defense to LPL’s infringement allegations that have been addressed in its recent
interrogatory responses. It is ViewSonic’s position that an inequitable conduct defense to
LPL°s allegations is already at-issue in the case via \[iewSonic’s interrogatoiy responses, i
the unclean hands affirmative defense pled by ViewSonic, as well as the inequitable `
conduct affirmative defense pled by the Tatung defendants.
Enclosed for your review is ViewSonic’s proposed Amended Answer more clearly 1
pleading inequitable conduct as a separate affirmative defense. Please advise by May 31
whether LPL will stipulateto ViewSonic’s filing ofthe enclosed proposed Amended
Answer. lf you believe that a telephonic meet and confer will be helpful, please advise us
of same this week so that we can schedule it by the end of next week. lf LPL is unwilling
to agree to allow ViewSonic to file the enclosed Amended Answer, ViewSonic will seek
appropriate relief from the Court.
` We look forward to ‘LPL’s expected cooperation in this matter.
Sinciefely,
\\.. /
l x
1
S5 Miller
Enclosure
cc: All counsel of record (w/encl.) (via email)
12188.1

Case 1:04-cv-00343-JJF

Document 729-4

Filed 07/19/2007

Page 1 of 2

Case 1:04-cv-00343-JJF

Document 729-4

Filed 07/19/2007

Page 2 of 2