The ® Symbol Is a Trust Signal. Here's the Research to Prove It.

Most people think of trademark registration as a legal formality. You file some paperwork, pay a modest fee, wait a year or two, and eventually get a certificate you frame and forget. It's IP housekeeping — important, sure, but not exactly a marketing strategy.

I want to challenge that view. Because the evidence from economics, consumer psychology, and — increasingly — AI visibility research suggests that a federal trademark registration isn't just a legal asset. It's one of the most cost-effective trust signals a brand can deploy. And in a world where AI systems are becoming the first stop in the buyer's journey, it's becoming more important, not less.

I have a personal stake in this argument. Idea Grove holds two federally registered trademarks: Idea Grove® (Reg. No. 6,094,526, registered July 7, 2020, and now incontestable under Section 15 of the Lanham Act as of October 2025) and Trust Signals® (Reg. No. 6,645,693, registered February 15, 2022). So when I write about the value of trademark registration as a trust signal, I'm not speaking abstractly. I'm speaking from experience — and from a body of research that I find genuinely compelling.

What the Economics Actually Say

Let's start with the numbers, because they're surprising.

A landmark study by the European Union Intellectual Property Office and the European Patent Office — analyzing 119,000 firms across 27 countries over a decade — found that companies owning registered trademarks generate 40.9% higher revenue per employee than non-owners. For small and medium businesses specifically, the gap widens to 44%.

That's not a small effect. That's a structural performance advantage built into trademark-owning firms at a measurable scale.

A separate analysis by the American Economic Association, presented at its 2023 conference, calculated the average trademark's economic value at $36.76 million in 2016 dollars. A one-standard-deviation increase in a firm's trademark output correlated with a 1.66% profit increase after one year, growing to 4.93% after five years.

For startups, the signal is especially powerful. A joint EUIPO/EPO study found that startups with registered trademarks are up to 10.2 times more likely to secure funding than unregistered counterparts. Trademark use rises from 28% at the seed stage to 72% in late-stage funding rounds — suggesting investors treat registration as a maturity and credibility indicator before they've even met the founding team.

The financial case alone should be enough to make most brand owners reconsider how seriously they take trademark registration. But the trust case is equally compelling.

The ® Symbol Says Something Specific

There's a reason the ® symbol carries weight that ™ doesn't.

The ™ symbol requires no government approval. Any business can attach it to any name at any time without oversight. The ® symbol, by contrast, can only legally be used after a national trademark office has examined the application, confirmed the mark is distinct and not confusingly similar to existing registrations, and granted registration. In the United States, using ® without an actual federal registration is illegal. The same prohibition applies in the UK, India, Japan, South Korea, and many other jurisdictions.

This legal restriction creates an implicit guarantee. When a buyer sees ®, they're receiving a government-backed signal that this brand has been vetted, is distinct, and has invested in formal protection. The ™ makes a claim. The ® provides proof.

Multiple trademark authorities describe the ® as functioning as a "green light" for consumers while serving as a "red light" for competitors. The EUIPO Scoreboard found that 52% of trademark owners reported increased brand reputation as the primary benefit of registration — ahead of revenue growth and market expansion. Neuroscience research published in the INTA Trademark Reporter has demonstrated that trademark symbols are processed in milliseconds as unconscious credibility shortcuts, contributing to snap judgments about brand legitimacy even when buyers aren't consciously evaluating them.

The transition from ™ to ® isn't just a legal milestone. It's a brand maturation signal — evidence that the business has moved from aspiration to commitment.

Incontestability: the Trust Signal That Compounds

Most brand owners don't know what incontestability means, which is a shame, because it's the most powerful legal upgrade available to a registered trademark.

Under Section 15 of the Lanham Act, after five years of continuous post-registration use, a trademark owner can file a declaration of incontestability with the USPTO. The filing costs approximately $575 per class. What it buys is a fundamental shift in legal status: the mark moves from "prima facie evidence" of validity to "conclusive evidence." Challengers can no longer argue the mark is merely descriptive, is a geographic term, or is primarily a surname. The evidentiary burden shifts decisively in the owner's favor.

The landmark case is Park 'N Fly, Inc. v. Dollar Park and Fly, Inc. (1985), in which the U.S. Supreme Court ruled 8-1 that descriptiveness is simply not an available defense against an incontestable mark. More recently, in Garcoa v. Sierra Sage Herbs (2022), a defendant's incontestable "Green Goo" registration led to summary judgment dismissal — the case ended almost immediately because the Section 15 filing made the brand's rights effectively unchallengeable.

Incontestability has limits. Marks can still be challenged on grounds of fraud, abandonment, genericness, or functionality. But the elimination of descriptiveness attacks alone transforms the practical strength of a registration. It makes cease-and-desist letters more persuasive, infringement claims more defensible, and the brand itself more durable against competitive challenges.

Idea Grove®, our agency brand, achieved incontestable status in October 2025 after five years of continuous commercial use. Trust Signals® becomes eligible in February 2027. These aren't just legal milestones — they represent a compounding investment in brand protection that makes both marks more defensible every year they remain in use.

What Happens When Brands Don't Protect Their Marks

The cautionary tales of genericization are the inverse proof of trademark registration's value.

Aspirin was lost in 1921 when Judge Learned Hand ruled that Bayer had "consciously allowed consumers to acquaint themselves with the drug only by the name 'Aspirin'" without educating them it was a brand name. Escalator was cancelled in 1950 after the USPTO found that Otis Elevator had itself used the term generically in its own advertising. Thermos was declared generic in 1963 after a court found that only 11% of the public still recognized it as a brand — far too few to sustain exclusive rights.

The consequences of these failures extended well beyond legal status. When a trademark becomes generic, competitors can freely use the term. Quality standards collapse. Consumer trust in what the name promises erodes along with the monopoly over the name itself. Bentley University research characterizes genericization as "essentially a death sentence for the original product."

The brands that fought hardest to protect their marks understood exactly what was at stake. Xerox ran campaigns urging the public to say "photocopy" instead of "xerox." Velcro Companies released a viral video — "Don't Say Velcro" — that garnered over half a million views and measurably reduced trademark misuse. Johnson & Johnson modified the Band-Aid jingle to include the word "brand" and changed all packaging to read "BAND-AID® Brand Adhesive Bandages."

None of this was legal housekeeping. It was brand protection in the most direct sense — defending the trust signal that told consumers they were getting the genuine article.

Google won the most important modern genericization case in Elliott v. Google (9th Cir. 2017), establishing that verb use doesn't automatically constitute generic use. What matters is whether consumers use the term to refer specifically to Google's search engine or generically to any search engine. The court noted that "not a single competitor calls its search engine 'a google'" — preserving the mark and the trust premium that comes with it.

Counterfeiting: When Trademark Registration Becomes a Lifeline

The global counterfeiting market reached $467 billion in 2021 according to the OECD, representing 2.3% of total world trade. Corsearch projects the number will reach $1.79 trillion by 2030. The human cost is equally severe — counterfeit goods contribute to more than 70 deaths and 350,000 serious injuries annually in the United States alone.

The trust damage counterfeiting inflicts on legitimate brands is direct and measurable. A Corsearch survey found that 66% of consumers who unknowingly purchased counterfeits lost trust in buying from the legitimate brand again. More than 76% said they would be less likely to buy from a brand regularly associated with fake goods. Perhaps most damaging: over 15% of consumers directly blamed the legitimate brand for failing to remove counterfeit listings.

Trademark registration is what unlocks the enforcement mechanisms brands need to fight back. Only federally registered marks can be recorded with U.S. Customs and Border Protection for seizures at 328 ports of entry. Registration enables statutory damages of up to $2 million per counterfeit mark for willful infringement under the Lanham Act, along with ex parte seizure orders allowing federal marshals to act before trial.

The case law illustrates what this looks like in practice. Nike secured an $11 million jury verdict against an influencer selling counterfeit sneakers. Louis Vuitton won a $584 million default judgment against a counterfeit operation in Atlanta — one of the largest damages awards in U.S. counterfeiting history. Apple has had hundreds of thousands of counterfeit chargers and wireless headphones seized at U.S. borders using its registered trademarks as the legal basis.

In e-commerce, Amazon's Brand Registry — which requires a registered trademark for enrollment — has become one of the most effective anti-counterfeiting tools available to brand owners. Amazon invested $1.2 billion in anti-counterfeiting in 2023 and reports that enrolled brands now experience 99% fewer suspected infringements than before enrollment.

Registration doesn't just protect against counterfeiting — it signals to buyers, partners, and investors that the brand is protected, monitored, and managed with professional rigor.

The AI Era Gives Trademark Registration a New Dimension

Here's where trademark registration intersects directly with the future of brand visibility.

Gartner predicts that traditional search engine volume will drop 25% by 2026 as buyers shift to AI platforms for discovery. A 2025 Commerce/Future Commerce survey found that one in three Gen Z consumers and one in four millennials now turn to AI platforms instead of traditional channels for shopping advice. AI systems don't rank pages — they retrieve facts from knowledge graphs and recommend brands based on entity recognition and model confidence in authority.

Trademark registration contributes to this AI entity recognition in ways that are becoming increasingly important. It aids entity disambiguation — helping AI systems distinguish a specific brand from generic terms or competitors using similar language. It enforces consistent brand identity across platforms, and research suggests that inconsistencies in digital brand information reduce the accuracy of AI outputs by 30–40%. It provides verified "ground truth" data that helps prevent AI hallucination about brands.

Registration also provides enforcement tools that are increasingly essential in the digital environment. UDRP domain dispute complaints — the mechanism for reclaiming cybersquatted domains — require demonstrated trademark ownership. Every major social media platform has trademark-specific enforcement mechanisms, and platforms generally will not act against impersonators without a valid trademark claim. Google's Ads Trademark Policy allows trademark owners to prevent competitors from using their marks in ad copy — but only if the brand files a formal complaint, which requires registration.

This is where the Trust Signals® Framework connects to trademark strategy most directly. The framework maps how brands build the kind of authority that gets them recommended — by people and by AI. Third-party validation. Reputation management. User experience. Search presence. Thought leadership. Trademark registration reinforces all five of these disciplines simultaneously. It strengthens the brand's reputation by signaling legal legitimacy. It protects user experience by enabling enforcement against counterfeits and impersonators. It contributes to search presence through entity recognition. And it provides the documented, vetted brand identity that AI systems need to characterize a brand accurately.

A registered trademark isn't just a legal document. In the AI age, it's infrastructure.

B2B Buyers Treat Trademarks as Credibility Infrastructure

For B2B brands specifically, this matters more than most marketing leaders realize.

Dentsu's Superpowers Index — drawing on more than 14,000 buyer interviews — found that the best-known brands at the outset of B2B evaluations win business in 81% of cases. Forrester's Business Trust Survey found that 43% of B2B buyers make "defensive" purchasing decisions more than 70% of the time, meaning they prioritize mistake avoidance over upside maximization. Trusted, recognized brands serve precisely this function.

B2B buying committees now typically include five to nineteen stakeholders spanning legal, finance, IT, security, and other roles. Each evaluates different credibility signals. Trademarks function as universally legible credibility indicators across all of them — signals that require no explanation and carry immediate meaning.

The 2025 Edelman Trust Barometer found that 80% of people trust "My Brands" — placing brands ahead of governments, media, and NGOs as trusted institutions. LinkedIn's 2025 B2B Marketing Insights report found that 78% of buyers say trust in the vendor is a deciding factor, and 94% of marketers believe trust is the number-one KPI in B2B relationships.

With 67% of the B2B buying journey now completed digitally before any human interaction, the trust signals a brand projects online — including the ® symbol and the legal infrastructure behind it — shape vendor consideration before a single sales conversation takes place.

The Numbers One More Time

The global value of the world's 500 most valuable brands reached $9.5 trillion in 2025 according to Brand Finance. Intangible assets — of which trademarks are a central component — now represent approximately 80% of the value of the average U.S. company. The USPTO calculates that trademark-intensive industries contribute nearly $7 trillion to annual U.S. GDP and support over 56 million jobs.

At the micro level: a USPTO trademark filing costs $250–$350 per class. University of Chicago research suggests a few hundred dollars spent on registration can contribute over $22 million in added brand value for a typical mark. The EUIPO found that companies owning trademarks generate 40.9% more revenue per employee than those that don't.

The ROI mathematics are almost embarrassingly favorable. There are very few investments a brand can make that combine legal protection, consumer credibility, AI entity recognition, anti-counterfeiting enforcement, and financial valuation uplift for a few hundred dollars and a year of patience.

A Final Thought

I started this post with the argument that trademark registration is one of the most underappreciated trust signals in branding. I hope the evidence makes that case convincingly.

The ® symbol tells a story in a glance. It says: this brand has been vetted by a government agency, has invested in formal protection, and takes its identity seriously enough to defend it. That's a trust signal that precedes every buyer interaction, persists across every digital touchpoint, and — in the age of AI — increasingly shapes whether your brand gets recommended at all.

Idea Grove® is incontestable. Trust Signals® is on its way. The work of building brands that people — and machines — trust is ongoing. But the foundation of that work starts with the simplest thing: putting your name on the register.

Scott Baradell is founder and CEO of Idea Grove® (USPTO Reg. No. 6,094,526), a B2B PR and visibility agency based in Dallas. He is the author of Trust Signals: Brand Building in a Post-Truth World (Lioncrest, 2022) and the developer of the Trust Signals® Framework (USPTO Reg. No. 6,645,693). Both marks are registered trademarks of Idea Grove LLC.