A customer asks a voice assistant to find a particular brand. The assistant responds with a different company, one whose name sounds almost identical. The customer may not notice the difference, especially if the recommendation appears relevant to the original request.
For businesses investing in artificial intelligence, voice-enabled shopping, and digital branding, this situation raises an increasingly important question: Can two trademarks create consumer confusion simply because they sound alike?
The answer begins with a familiar principle of trademark law. Two brand names do not need to look identical to create a likelihood of confusion. Their pronunciation, meaning, and overall commercial impression can matter just as much as their spelling.
As AI voice assistants become another way consumers discover businesses, these traditional trademark principles may take on new significance. The technology has changed how customers encounter brands, but the underlying legal question remains whether consumers are likely to misunderstand the commercial source of goods or services.
Why AI Voice Search Creates a Different Trademark Problem
Traditional online shopping gives consumers several visual clues about a brand. They can read its name, examine its logo, compare websites, and review product packaging before making a purchase.
Voice-assisted shopping may remove some of those clues.
Consider a hypothetical company called VELORA that sells home automation products. Another business introduces a competing product line under the name VELLORA. Although the names have different spellings, a customer speaking either name aloud might produce nearly identical sounds.
If a voice assistant interprets a request for VELORA as a request for VELLORA, the consumer could be directed toward a different product.
That mistake does not automatically establish trademark infringement. Voice recognition errors can occur for reasons unrelated to trademark law, including background noise, pronunciation differences, and technical limitations.
Nevertheless, repeated misidentification could become relevant evidence when examining whether similar brand names create confusion in a particular commercial setting.
The distinction is important. A technology malfunction and legally significant consumer confusion are not necessarily the same thing.
How the TTAB Evaluates Similar-Sounding Trademarks
The Trademark Trial and Appeal Board, commonly called the TTAB, resolves disputes concerning federal trademark registration.
In opposition and cancellation proceedings involving likelihood of confusion under Section 2(d) of the Lanham Act, the Board applies the factors established in In re E.I. du Pont de Nemours & Co.
These factors include similarities between the marks, the relationship between the goods or services, relevant trade channels, purchasing conditions, and other circumstances supported by the evidence.
Importantly, trademark similarity is not limited to visual appearance.
Two marks may have different spellings yet sound substantially alike when pronounced. The USPTO recognizes that phonetic equivalents can create confusion, particularly when the associated goods or services are identical or closely related.
The USPTO also recognizes that there is no single legally controlling pronunciation of a trademark. Consumers may pronounce unfamiliar or invented words differently, making phonetic distinctions less reliable than businesses sometimes assume.
For AI-related brands, this means an applicant cannot necessarily avoid a potential trademark conflict by changing a letter while preserving substantially the same pronunciation.
However, phonetic similarity alone does not automatically decide a TTAB dispute. The Board must consider the relevant evidence and applicable likelihood-of-confusion factors.
Can AI Voice Assistant Errors Become Evidence in a TTAB Proceeding?
Suppose a business discovers that multiple voice assistants regularly interpret its trademark as a competitor’s brand.
The company records the results and considers introducing them in a trademark opposition.
Would those recordings establish likelihood of confusion?
Not necessarily.
A voice assistant’s output is generated by software. It does not automatically demonstrate what an actual consumer believes about the source, sponsorship, or affiliation of the products.
For example, an assistant might misinterpret a spoken request because its speech recognition system cannot distinguish two similar sounds. That result may illustrate a technological limitation without establishing consumer confusion.
The evidence becomes more meaningful when connected to actual consumer behavior.
If customers repeatedly report receiving recommendations for the wrong company, contacting the wrong business, or purchasing an unintended product after a voice search, those circumstances may warrant closer examination.
Even then, the evidence must be relevant, properly introduced, and evaluated within the broader trademark dispute.
Under the evidentiary procedures discussed in the Trademark Trial and Appeal Board Manual of Procedure (TBMP), parties must build a record that allows the Board to assess the reliability and significance of their submissions.
An AI-generated response, standing alone, should not be treated as a substitute for evidence of consumer perception.
Why the Goods and Services Still Matter
Imagine two businesses with nearly identical spoken names. One provides industrial equipment maintenance, while the other develops mobile meditation applications.
Their names may sound alike, but that does not necessarily mean consumers will believe the businesses are connected.
Trademark law considers the relationship between the goods and services associated with the marks.
The analysis may become more complicated when both businesses operate within related technology markets.
For example, two companies offering AI-powered scheduling assistants might use names that sound nearly identical. If their services target similar customers and are offered through overlapping distribution channels, the potential for confusion could be greater.
By contrast, businesses offering unrelated products may present a different likelihood-of-confusion analysis, even where their names share substantial phonetic similarities.
In TTAB proceedings, the identification of goods and services in the relevant applications and registrations is especially important. The Board generally evaluates the goods and services as identified in those records rather than restricting its analysis to the parties’ current marketing practices.
That distinction matters when considering voice search evidence. A company cannot assume that the way its products currently appear in a particular AI platform will determine the full scope of the Board’s analysis.
Can Voice Search Confusion Lead to a Trademark Opposition?
A business that discovers a similar-sounding trademark application may have grounds to oppose registration if it possesses qualifying prior rights and can establish a likelihood of confusion.
An opposition generally must be filed within the applicable period after publication, subject to available extensions.
The dispute would not be about whether an AI assistant performed poorly. Instead, the central issue would be whether the applicant’s mark is likely to cause confusion with the opposer’s earlier mark when used with the relevant goods or services.
Voice assistant results might contribute to that analysis, but they would not replace the need to establish the elements of the claim.
There is also an important jurisdictional distinction. The TTAB determines rights concerning federal trademark registration. It generally cannot order an AI platform to change its search results, prohibit a competitor from using a name in commerce, or award infringement damages.
Businesses seeking those remedies may need to consider federal court litigation or other appropriate enforcement measures.
This distinction is consistent with the approach explained in Cohn Legal’s trademark infringement and enforcement resources, which address the differences between registration disputes and marketplace enforcement.
How Businesses Can Protect Their Trademarks in a Voice-First Marketplace
Businesses developing new brands should consider how their proposed names sound when spoken, not simply how they appear on a screen.
A trademark clearance search should account for potentially conflicting phonetic equivalents, alternative spellings, and related goods or services. A name that appears visually distinctive may still resemble an existing trademark when pronounced aloud.
Companies can also evaluate how voice-enabled platforms recognize their brands. Testing different pronunciations and reviewing customer feedback may reveal practical problems that ordinary website analytics do not capture.
These measures do not guarantee trademark protection, nor does a voice assistant’s ability to recognize a name establish legal rights. They can, however, help businesses understand how customers encounter their brands across emerging technologies.
Maintaining records of legitimate commercial use, advertising, customer communications, and brand development can also become important if a dispute arises.
For growing businesses, the goal should be to identify potential conflicts before substantial resources are committed to a name that may prove difficult to distinguish from an existing trademark.
Trademark Protection Must Evolve With AI Technology
AI voice assistants are changing how consumers search for products, discover services, and interact with businesses. Yet the legal principles governing trademark confusion remain rooted in consumer perception and source identification.
A different spelling does not necessarily create a legally distinguishable trademark. Similarly, an AI assistant’s inability to distinguish two names does not automatically establish infringement.
The challenge is understanding where technology-related errors intersect with meaningful evidence of consumer confusion.
For startups, entrepreneurs, and established companies, thoughtful trademark selection and early legal evaluation remain important parts of building a recognizable brand.
As emerging technologies create new ways for consumers to encounter trademarks, businesses can benefit from legal strategies that consider both established trademark principles and changing commercial practices.
To learn more about protecting your brand, visit www.cohnlg.com or contact Cohn Legal to discuss your trademark concerns.
