**CIRRUS ARRAY SYSTEMS**
[Address]

**VIA EMAIL AND CERTIFIED MAIL**

Counsel for Northstar Arc Technologies
Re: Your demand letter regarding CIRRUS NORTHSTAR ARRAY

Dear Counsel:

We write on behalf of Cirrus Array Systems in response to your letter concerning our client's CIRRUS NORTHSTAR ARRAY offering. We have reviewed your letter and the public record for the registration you cite. Nothing in this letter is an admission of the validity, scope, ownership, or priority of any asserted right beyond what appears in the public record, and nothing here concedes confusion, infringement, dilution, intent, damages, or any obligation. All of our client's rights, defenses, and remedies are expressly reserved. This letter is sent for settlement purposes.

We do not agree that the factors governing likelihood of confusion support your position, and we set out the principal reasons below without waiving any others.

**The marks as encountered.** Your registration must be compared with our client's mark as it actually appears in the marketplace: CIRRUS NORTHSTAR ARRAY, with CIRRUS displayed as the first and largest element of the logo. The dominant source identifier a purchaser encounters is the CIRRUS house mark. The full marks differ in length, cadence, first impression, and overall commercial impression. Your mark ends in "ARC"; our client's ends in "ARRAY," a term used in its ordinary descriptive sense for solar arrays. We do not read the shared word out of the comparison, but neither may it be extracted from the composites and compared in isolation.

**Practical strength.** A commercial search identified 46 active energy or engineering businesses using "Northstar" in a trade name or product name. We do not characterize the legal status of those uses, and we make no factual representation about them beyond the search result itself. Their existence is nonetheless relevant to the practical strength of that portion of your mark and to the scope of protection that portion can support. Your stated marketing expenditure is noted; it is not evidence of confusion.

**Offerings, channels, and purchaser care.** Your client's principal offering is enterprise grid-forecasting analytics and consulting. Our client sells field-monitoring hardware and associated dashboards for solar-farm arrays. Some enterprise customers in the energy sector overlap, as they would for most vendors in this industry, and the parties appeared at one shared conference. But our client's transactions average approximately $180,000 and ordinarily proceed through technical demonstration, security review, procurement review, and executive approval over four to six months. Purchasers of this kind identify vendors with precision. We recognize that sophistication does not eliminate confusion in every case; here it materially reduces any realistic risk.

**The vendor inquiry.** The single email you describe came from an equipment vendor, not a customer, and was resolved as soon as our client's full name was supplied. No customer, contract, payment, or support request has been misdirected, and your letter identifies none. An isolated, corrected inquiry from a non-purchaser is not probative actual confusion.

**Adoption.** Our client selected its name independently and in good faith, without reference to your client. We will not disclose privileged materials, and nothing in this letter waives privilege or work product.

**Response to your specific demands.** Our client declines, at this stage, to transfer any domain name, destroy materials, cease use, disclose customer identities, disclose revenue, or make any payment. Your five-day deadline is not workable and we do not accept it. Informal damages-related discovery is declined. This declination is without prejudice to any position either party may later take.

**Proposed path.** Without admitting any obligation and without commitment to any permanent change, our client is prepared to discuss, counsel-to-counsel, a narrowly defined set of measures: consistent use of the full CIRRUS NORTHSTAR ARRAY designation, presentation conventions that keep CIRRUS visually dominant, and practical market-separation steps concerning the parties' respective offerings. To that end, we propose a 30-day standstill during which neither party initiates proceedings or public statements about this matter, all limitations periods and equitable timing arguments are tolled and preserved for both sides, and the discussion proceeds on a confidential, non-admission, Rule 408 basis. Any resolution would require a written agreement.

Please confirm by [date] whether your client accepts the standstill. We are available to schedule a call promptly.

Sincerely,

Counsel for Cirrus Array Systems