How to Overcome a Section 2(d) Likelihood-of-Confusion Refusal
Section 2(d) likelihood of confusion refusals can feel like hitting a brick wall.
By Howard KatzenbergPractical guidance for trademark practitioners
Updated October 12, 2026
Section 2(d) likelihood of confusion refusals can feel like hitting a brick wall. The examiner has found your mark confusingly similar to an existing registration, and suddenly your straightforward application has become a complex legal chess match. Which arguments actually work? How do you choose the right strategy?
Here are the main strategies and when each one fits.
The Supplemental Register Option
Strategy Overview: The supplemental register is not a way around a Section 2(d) refusal. Section 2(d) applies whether registration is sought on the principal register or the supplemental register, so amending to the supplemental register leaves a likelihood-of-confusion refusal in place. What the supplemental register can answer is a different refusal, such as one finding the mark merely descriptive or primarily a surname.
When to Use: This option fits a descriptive mark once any likelihood-of-confusion refusal has been resolved on its own terms. The trade-off is losing constructive notice and incontestability benefits.
Limitations: Not suitable for strong, arbitrary marks where principal register protection is essential for enforcement. Also less valuable for marks that need maximum protection scope for licensing or international expansion.
Class Deletion
Strategy Overview: Sometimes the most elegant solution is surgical removal of the problematic class, leaving the rest of your application intact.
When to Use: This strategy is ideal when you have a multi-class application and can afford to lose one class to save the others. Particularly effective when the deleted class represents a minor part of your business or future plans.
Limitations: Obviously, you lose protection for the deleted goods/services. Only viable when the remaining classes provide adequate coverage for your core business needs.
Goods Coexistence: The Workhorse Strategy
Strategy Overview: Argue that your goods and the cited mark's goods can coexist in the marketplace without causing consumer confusion, even if the marks are similar.
This is where the DuPont factor analysis becomes crucial. Courts and examiners consider not just whether goods are related, but their channels of trade and buyers, judged by how the goods are described in the application and the cited registration.
LATAM WEALTH, owned by QUATRO DREAMS LLC, faced confusion with existing LATAM registrations for promotional services. The response highlighted fundamental business model differences:
"Applicant provides professional business and management consulting services, whereas Registrant's services are limited to consumer loyalty, promotional, and advertising programs tied to travel rewards. The target customers for Applicant's services are corporate clients and business owners, while Registrant's customers are individual consumers participating in travel incentive programs. The nature, purpose, and marketing channels are distinct and unrelated."
After this response, the examiner withdrew the Section 2(d) refusal. (The mark then registered on the Supplemental Register because of a separate geographic-descriptiveness refusal.)
Key Elements of Effective Coexistence Arguments:
- Different customer bases: B2B vs. B2C, price points, sophistication levels
- Distinct distribution channels: Where products are sold, as limited in the identifications themselves
- Purpose differentiation: What problem each product/service solves
- Market positioning: How brands are presented and perceived
Limitations: This strategy fails when goods are obviously related or when the examiner finds the market channels too similar. Works best with sophisticated buyers or clearly distinct business models.
Commercial Impression
Strategy Overview: Argue that despite surface similarities, the overall commercial impression of the marks creates different consumer perceptions.
Commercial impression arguments go beyond just comparing individual elements to assess how consumers would actually perceive the marks in context.
LATAM WEALTH again provides a strong example of this approach:
"Applicant's mark LATAM WEALTH creates a composite phrase that connotes a specialized professional consulting firm focused on financial growth and business prosperity within the Latin American market. By contrast, Registrant's marks consist solely of 'LATAM,' used in connection with promotional and advertising services—primarily tied to consumer loyalty and frequent flyer programs."
The examiner withdrew the Section 2(d) refusal after this response without saying which argument carried the day.
When to Use: This strategy works best when your mark includes distinctive elements that change the overall meaning or when the cited mark is relatively weak. Most effective for longer marks or composite marks with multiple elements.
Limitations: Weaker when marks are very similar in structure or when the distinctive elements are merely descriptive. Examiners may focus on dominant elements rather than overall impression.
Mark Distinction: The Direct Approach
Strategy Overview: Argue that the marks are sufficiently different in sight, sound, and meaning to avoid confusion.
This is often the first instinct—prove the marks are different enough.
Best Practices for Mark Distinction:
- Lead with the strongest difference: Sight, sound, or meaning—pick your best argument first
- Use concrete examples: Show how the marks would appear in actual use
- Address weak elements: Don't ignore similarities, explain why they don't matter
- Consider phonetic differences: How marks sound when spoken can be decisive
Limitations: This strategy struggles when marks share dominant elements or when the overall structure is too similar. Examiners are trained to look past minor differences.
Weakness Arguments: Attacking the Foundation
Strategy Overview: Argue that the cited mark is weak, descriptive, or otherwise entitled to limited protection scope.
When the cited mark itself is weak, this can narrow its scope of protection, though even a weak mark is protected against a similar mark for closely related goods or services.
Research Opportunities for Weakness Arguments:
- Existing disclaimers: Check TSDR for any disclaimers in the cited registration
- Descriptiveness: Analyze whether the cited mark merely describes goods/services
- Third-party uses: Search for others using similar terms
- Prosecution history: Review how the cited mark was examined initially
Limitations: This approach requires solid evidence and can backfire if your own mark has similar weaknesses. Also, many registered marks have already survived scrutiny, making weakness harder to prove.
Market Channel Distinction: Where Commerce Happens
Strategy Overview: Demonstrate that the goods/services reach consumers through completely different channels, making confusion unlikely. The examiner judges channels from the identifications: if an identification has no limit on its channels of trade, its goods are presumed to move in all normal channels.
Effective Channel Distinction Elements:
- Specific retail environments: Where customers encounter the products, as stated in the identifications
- Buyer sophistication: Professional purchasers vs. consumers
- Price points: Economy vs. premium market segments
When to Use: Most effective when channels are truly distinct—B2B vs. B2C, different industries, different retail environments. Works well combined with goods coexistence arguments.
Limitations: E-commerce has blurred many traditional channel distinctions. Examiners may find channels more related than applicants expect.
Strategic Combinations: What Works Together
Some strategies work well together:
High-Impact Combinations:
- Commercial impression + mark distinction
- Goods coexistence + channel distinction (effective for B2B vs. B2C arguments)
- Weakness arguments + commercial impression (undermines cited mark while strengthening your position)
Avoid These Combinations:
- Multiple weak arguments (better to focus on 1-2 strong points)
The Decision Framework: Choosing Your Strategy
When facing a Section 2(d) refusal, use this framework to select your approach:
First, Assess the Landscape:
- How similar are the marks really? (Identical, very similar, or moderately similar?)
- How related are the goods/services? (Same, related, or distinct?)
- How strong is the cited mark? (Arbitrary, suggestive, or descriptive?)
- What's your risk tolerance? (Need certainty or willing to fight?)
Then Choose Your Strategy:
For Quick Resolution (Low Risk Tolerance):
- Class deletion (if you can spare a class)
- Goods amendment (if you can narrow scope)
For Strong Cases (Confident in Distinctiveness):
- Mark distinction + commercial impression
- Goods coexistence + channel distinction
- Weakness arguments (if cited mark is vulnerable)
For Complex Cases (Multiple Issues):
- Combination approaches
- Third-party evidence
- Consumer sophistication arguments
Common Mistakes
1. Kitchen Sink Arguments: Throwing every possible argument weakens your position.
2. Ignoring Strong Similarities: Acknowledging obvious similarities and explaining why they don't matter is more persuasive than pretending they don't exist.
3. Weak Factual Support: Generic statements about "different channels" or "sophisticated consumers" without specific evidence rarely convince examiners.
4. Misreading Examiner Concerns: Sometimes examiners signal their main concerns in the office action. Address those directly rather than fighting different battles.
5. Overlooking Prosecution History: The cited mark's prosecution history often reveals weaknesses or disclaimers that can be leveraged.
When to Know You're Fighting a Losing Battle
Not every Section 2(d) refusal is worth fighting. Watch for these warning signs:
- Identical marks for identical goods
- Arbitrary marks versus arbitrary marks with minor differences
- Multiple cited registrations covering the same ground
In these scenarios, consider alternative strategies like significant goods amendments or even refiling with a different mark.
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