Appendix N

• Author: Austen Zuege
• Pages: 495-501

Appendix N

495

[LETTERHEAD]

[Contact Information]

[Date]

[Method of Delivery]

[Client address]

Re: Investigation of U.S. Patent No. X,XXX,XXX

Product/Technology:

Part/Feature:

Atty. Matter No.:

Dear [Name]:

At your request, we performed an analysis of claims 1-Y of U.S. Patent

No. X,XXX,XXX by Smith (“the Smith ‘XXX patent”) entitled “[Title]”

(TAB 1). This letter confirms the oral opinion previously provided to

you.

I. OPINION SUMMARY1

• Claims 1-Y of the Smith ‘XXX patent are not infringed by

the [Part/Feature], because none of the aforementioned

[ Feature] have “Z” as required by all claims of the Smith

‘XXX patent.

1. This opinion letter does not address all possible defenses that may exist.

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