# Question 78: The NORTHSTAR ARC Demand

## Your role

You represent Cirrus Array Systems after receiving a trademark demand from Northstar Arc Technologies. Draft a final response letter of no more than 700 words. Apply the supplied confusion factors, concede nothing, make no unnecessary factual commitment, preserve defenses, and propose only a controlled path to resolution.

## Governing law

Assume the following trademark rules apply:

1. Infringement turns on likely consumer confusion regarding source, sponsorship, affiliation, or approval, assessed from the factors below as a whole.

2. Relevant factors include the strength of the asserted mark, similarity of the marks in appearance, sound, meaning, and overall commercial impression, relatedness of goods or services, overlap in channels and customers, purchaser care, actual confusion, and intent.

3. Registration supports validity and ownership but does not establish infringement. Extensive third-party use of a shared term may narrow the practical strength of that portion of a mark.

4. Marks are compared as encountered in the marketplace, including house marks and full composite wording, without mechanically ignoring a shared word.

5. Sophisticated purchasing and a lengthy, expensive sales process can reduce confusion but do not eliminate it when marks and offerings are highly similar.

6. Isolated inquiry or momentary uncertainty is relevant but is not conclusive actual confusion, particularly when corrected before purchase.

7. Good-faith independent adoption is relevant to intent but does not by itself defeat likely confusion.

8. A demand recipient may preserve all defenses, decline informal damages discovery, and propose a temporary standstill or targeted exchange without admitting validity, priority, confusion, intent, or liability.

9. A response should not threaten unsupported claims, disclose privileged naming analysis, promise permanent changes before agreement, or invite immediate litigation through unnecessary provocation.

## Facts

Northstar Arc owns a federal registration for **NORTHSTAR ARC** for enterprise electrical-grid analytics and consulting. It claims use since 2018. Its demand states that it has spent more than $6 million marketing the mark.

Cirrus launched **CIRRUS NORTHSTAR ARRAY** in 2025 for hardware and software that monitor solar-farm arrays. Cirrus always displays CIRRUS as the first and largest word in its logo. Its contracts average $180,000 and ordinarily require technical demonstrations, security review, procurement review, and executive approval over four to six months.

The companies sell to some of the same energy-industry enterprises and attended one trade conference together. Northstar Arc primarily provides grid-forecasting analytics. Cirrus sells field-monitoring devices and related dashboards.

A commercial search found 46 active energy or engineering businesses using “Northstar” in a trade name or product name. The record does not establish whether those uses are legally protected or how widely customers encounter them.

One equipment vendor emailed Northstar Arc asking whether “the Cirrus Northstar booth is part of your group.” The vendor corrected its records after Cirrus supplied its full name. No customer, contract, payment, or support request has been misdirected.

Cirrus's naming file shows that a product team selected “Northstar” from a list of constellation terms and added “Array” to refer to solar arrays. The file contains no reference to Northstar Arc. Do not disclose the privileged naming file in the response.

Northstar Arc demands within five days that Cirrus stop all use, transfer its domain, disclose customers and revenue, destroy materials, and pay damages. Cirrus is willing, without admitting an obligation, to discuss consistently using the full **CIRRUS NORTHSTAR ARRAY** mark, distinct presentation, and market-separation measures during a 30-day standstill.

## Assignment

Draft the response letter. It must:

* Acknowledge the demand without admitting validity, priority beyond the public record, infringement, or damages.
* Address the full marks, offerings, channels, purchaser care, third-party use, the isolated inquiry, and independent adoption.
* Avoid disclosing privileged material or overstating facts not established.
* Decline the domain transfer, destruction, customer list, revenue disclosure, and payment demand at this stage.
* Preserve all defenses and remedies.
* Propose a 30-day standstill and a narrowly controlled counsel discussion of presentation and market-separation measures.
* Avoid threats, provocation, permanent commitments, or language inviting broader claims.

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