Your product is selling. Customers are happy. Competitors are paying attention. Revenue charts are pointing northeast. Surely the patent examiner will see all that commercial glory and stamp APPROVED, right?
Not quite.
Commercial success can matter in patent prosecution, particularly when responding to an obviousness rejection under 35 U.S.C. § 103. But sales figures do not operate like a cheat code for patentability. The USPTO looks for a legally meaningful connection—a nexus—between the commercial success and the features of the invention actually claimed. If customers bought the product because of brilliant advertising, aggressive pricing, a famous brand, great customer service, or free doughnuts at the trade-show booth, the sales numbers may say plenty about the business and very little about nonobviousness.
The distinction matters because commercial success is principally an objective indicator of nonobviousness. It generally does not transform an old invention into a novel one under § 102, cure a patent-eligibility problem under § 101, or repair an inadequate written description under § 112. The first question, therefore, is not “How much did we sell?” It is “What rejection are we actually trying to overcome?”
This article provides general educational information, not legal advice for any particular patent application.
⚡ Quick Summary
Commercial success may help overcome a patent rejection when the rejection concerns obviousness and the success can be tied to the claimed invention. The USPTO expressly recognizes commercial success as objective evidence that may rebut an obviousness position, but applicants generally need evidence establishing a nexus between that success and what is claimed.
Strong sales by themselves are not enough. Advertising, price, distribution, brand recognition, customer service, operational efficiency, or another unclaimed feature may be the real reason the product succeeded. The USPTO specifically cautions against attributing commercial success to the invention when external business factors are responsible.
The practical lesson for founders is simple: revenue is evidence of demand, not automatically evidence of patentability.
❓ Common Questions & Answers
1. Can strong sales overcome a patent rejection?
Sometimes. Commercial success is recognized as objective evidence of nonobviousness, so it may strengthen a response to a § 103 obviousness rejection. But substantial weight generally depends on connecting the success to the claimed invention.
A spreadsheet showing impressive revenue without explaining why customers bought the claimed invention is usually missing the most important part of the argument.
2. Does the USPTO care how successful my company is?
The USPTO cares about evidence relevant to the statutory patentability analysis. Business success can become relevant when it supplies objective evidence concerning nonobviousness, but the patent system does not award patents simply because a founder built a thriving company. Section 103 asks whether the claimed invention would have been obvious to a person having ordinary skill in the relevant art.
In other words, congratulations on the revenue. The examiner still wants to talk about the claims.
3. What is the “nexus” requirement?
A nexus is the legally and factually sufficient connection between objective evidence—such as commercial success—and the claimed invention. The USPTO explains that evidence deserves substantial weight when it is attributable to what is actually claimed.
That connection can sometimes be presumed when a commercial product embodies the claimed features and is sufficiently coextensive with them. Even when that presumption does not apply, an applicant may still attempt to prove nexus directly.
4. Can marketing success prove nonobviousness?
Marketing may explain sales, but that can actually weaken the patent argument if the advertising—not the claimed technology—is what caused customers to buy.
USPTO guidance identifies heavy promotion, changes in advertising, and other business events unrelated to the merits of the claimed invention as factors that may undermine the connection between sales and nonobviousness.
5. Can commercial success solve an abstract-idea rejection?
Commercial success is traditionally an objective consideration in the obviousness analysis. It should not be treated as a universal cure for every category of rejection. A § 101 eligibility rejection requires its own substantive response, just as novelty, obviousness, enablement, and definiteness each involve different legal questions.
Trying to answer every Office Action with “But people love our product!” is roughly the patent-law equivalent of bringing a sales deck to a calculus exam.
🛠️ Step-by-Step Guide: Using Commercial Success Strategically
Step 1: Identify the exact rejection
Read the Office Action carefully. Determine whether the examiner is rejecting claims under § 101, § 102, § 103, § 112, or some combination.
Commercial success is most directly relevant to § 103 obviousness because objective indicia of nonobviousness form part of that analysis.
Step 2: Map the examiner's prior art against your claims
Build a claim chart showing what the examiner believes each prior-art reference teaches.
Then isolate the features or combination of features that distinguish the claimed invention. This prevents the commercial-success argument from drifting into vague statements about the product being “innovative,” a word beloved by pitch decks and considerably less useful without supporting facts.
Step 3: Identify what customers actually value
Ask why buyers selected the product.
Was it faster? Safer? More accurate? Easier to install? More energy efficient? Did it solve a technical problem that alternatives struggled with?
Then ask the critical second question: Is that advantage reflected in the claims?
If the feature driving demand is not claimed, the sales evidence may have limited relevance to those claims.
Step 4: Gather objective commercial evidence
Useful evidence may include documented sales performance, market adoption, customer statements, industry praise, purchasing records, competitor behavior, or other reliable information showing the magnitude and nature of the success.
The USPTO notes that applicants asserting commercial success in ex parte prosecution need to provide supporting evidence rather than simply offering conclusions.
Step 5: Build the nexus
Connect the evidence to the claimed features.
For example, a customer declaration explaining that the buyer switched products because a specific claimed technical configuration eliminated a recurring problem can be much more useful than saying, “Our sales doubled.”
The second statement proves somebody had a good quarter. The first begins explaining why.
Step 6: Address alternative explanations
Anticipate the examiner asking whether success resulted from advertising, pricing, distribution, brand reputation, unrelated functionality, or other commercial factors.
The stronger your evidence separating the claimed technical advantage from those alternative explanations, the stronger the commercial-success argument can become.
Step 7: Combine commercial evidence with the technical argument
Commercial success should rarely be treated as the entire response.
A strong § 103 response may also challenge the examiner's interpretation of the prior art, motivation to combine references, reasonable expectation of success, or factual findings. USPTO guidance requires an articulated reason supporting an obviousness conclusion.
Think of commercial success as reinforcement—not as the entire building.
🕰️ Historical Context
The modern statutory concept of nonobviousness was codified in the Patent Act of 1952, which reorganized federal patent law and introduced § 103 as an explicit statutory condition of patentability. The Act was approved in 1952 and became effective in 1953.
In Graham v. John Deere Co. in 1966, the Supreme Court laid out the enduring framework for evaluating obviousness. That framework examines the scope and content of the prior art, differences between the prior art and the claims, the level of ordinary skill, and relevant secondary considerations. Commercial success was among the real-world considerations recognized as potentially relevant.
The importance of these objective considerations is easy to understand. Patent analysis is vulnerable to hindsight. Once an invention exists, the solution can look obvious in retrospect. Real-world evidence—such as competitors failing to solve the problem, industry skepticism, copying, long-felt need, or commercial success—can provide another lens through which the obviousness question is evaluated.
Later decisions refined an important limitation: market success must actually relate to the claimed invention. Courts and the USPTO developed the nexus requirement so that a patent owner cannot simply point toward a profitable product and assume every dollar of revenue proves the patent claims were nonobvious.
The Federal Circuit's decisions in cases such as WBIP v. Kohler, Fox Factory v. SRAM, and Volvo Penta v. Brunswick further developed when nexus can be presumed and when it must be independently demonstrated. The common theme is that the relationship between the product, its claimed features, and the objective evidence matters enormously.
That principle remains active today. In Hafeman v. Google LLC, decided in June 2026, the Federal Circuit upheld the Board's treatment of secondary-consideration evidence where the patent owner had not sufficiently connected the asserted commercial success and other evidence to the merits of the claimed invention. The court emphasized both the availability of secondary considerations and the continuing importance of nexus.
🥊 Business Competition Examples
1. The Battery-Saving Startup
Imagine a hardware startup develops a claimed power-management configuration that significantly extends operating time. Customers repeatedly state that extended runtime is the reason they switched from competing products.
If that runtime benefit results from the claimed configuration, customer testimony, comparative testing, adoption data, and sales information could collectively support a nexus between commercial success and the claimed invention.
That is much stronger than presenting revenue alone.
2. The SaaS Rocket Ship
A software company has explosive subscriber growth while facing an obviousness rejection.
Unfortunately, most customers joined because the company offered the service free for six months and spent heavily on influencer partnerships. The claimed backend technology is invisible to customers and there is little evidence it influenced adoption.
Phenomenal marketing campaign. Less phenomenal nexus.
3. The Medical Device Improvement
A company launches a device featuring a claimed mechanical configuration that simplifies a difficult procedure. Hospitals begin purchasing it because clinicians consistently report that the configuration reduces a specific operational problem.
If the purchasing decisions can be credibly connected to that claimed configuration, the commercial evidence may have considerably more probative value.
4. The Famous-Brand Gadget
A large consumer brand releases a gadget containing a pending invention and immediately sells enormous quantities.
The problem? Customers appear to be buying because the logo is famous, the company owns prime retail shelf space, and the product is bundled with another bestselling device.
Large sales numbers do not automatically reveal why the market responded. Sometimes revenue is the hero of the quarterly earnings call and merely an extra in the patent argument.
💬 Discussion
Commercial success appeals to founders because it feels wonderfully objective. Patent arguments can involve dense claim language, technical references, and phrases such as “person of ordinary skill in the art.” Revenue, meanwhile, appears comfortably simple: customers paid money. Surely that means the invention is good.
But patentability does not ask whether the invention is good. It asks statutory questions about what has been claimed. For obviousness, the inquiry centers on whether the claimed subject matter would have been obvious in view of the prior art, with objective indicia considered as part of the analysis.
That is why the distinction between product success and claimed-feature success becomes so important. Most commercial products contain numerous features. Some are patented. Some are old. Some are aesthetic. Others concern pricing, packaging, service, software, distribution, or brand reputation.
A customer buying the whole product does not automatically tell you which component caused the purchase. That is the evidentiary problem behind nexus.
For startups, this suggests a useful operational habit: begin recording why customers choose the product before a patent dispute develops. Customer interviews, competitive win/loss analyses, technical evaluations, independent reviews, and contemporaneous purchasing explanations may later be more useful than trying to reconstruct the story years after the fact.
There is also a strategic lesson for patent drafting. If a technical feature is central to the company's competitive advantage but never appears in meaningful claim scope, proving that the feature drove sales does not magically insert it into the claims. Patent strategy and product strategy should therefore communicate early rather than meeting for the first time when everyone is holding an Office Action and looking concerned.
Another mistake is assuming that commercial success must independently defeat a strong obviousness case. Objective considerations are considered as part of the overall analysis. Their strength depends on both the evidence itself and its relationship to the claimed invention.
This also means founders should avoid exaggeration. A precise, well-supported argument showing that customers repeatedly selected a product because of one claimed technical improvement may be more persuasive than a breathless declaration that the product “revolutionized the industry.”
The bigger principle is that business evidence becomes patent evidence only when the legal connection is built. Commercial success can be useful. Commercial storytelling can be useful. But the Office Action response still needs to meet the examiner where the examiner lives: claims, prior art, technical distinctions, evidence, and law.
⚖️ The Debate: How Much Should Commercial Success Matter?
📈 Side One: Commercial Success Deserves Significant Weight
Position: Strong marketplace adoption can provide powerful real-world evidence that an invention was not as obvious as hindsight makes it appear.
If knowledgeable competitors had the same market incentives and technical resources but failed to develop the commercially successful solution, market behavior may reveal something that a purely paper-based comparison of references misses. That is one reason objective indicia belong in the obviousness framework.
Commercial success can also help counter hindsight bias. After an innovation becomes widely adopted, people naturally wonder why nobody did it earlier. Objective evidence gives the decision-maker information from the period in which the problem was actually being confronted.
The argument becomes especially compelling when multiple forms of evidence point in the same direction: rapid adoption, competitor copying, industry praise, long-felt need, and purchasing decisions tied specifically to the claimed solution. WBIP v. Kohler illustrates how multiple objective considerations can collectively support nonobviousness.
From this perspective, dismissing strong commercial evidence too quickly could reward hindsight and undervalue what happened in the actual market. Patents concern technological innovation, but innovations eventually encounter customers, competitors, engineers, and economics. Those real-world reactions can be informative.
🧪 Side Two: Commercial Success Should Be Treated Cautiously
Position: Sales can result from countless business advantages that have nothing to do with whether a claimed invention was technically nonobvious.
A superior sales team can outsell a superior product. Deep discounts can create adoption. Distribution agreements can dominate shelf space. A trusted brand can launch an ordinary product and immediately gain market share. None of those facts necessarily tells an examiner whether the claimed subject matter was obvious.
That is precisely why nexus matters. USPTO guidance instructs examiners to examine whether success is attributable to the claimed invention rather than advertising, business events, or other extraneous factors.
There is also a measurement problem. A complex product might contain hundreds of features, multiple patents, trade secrets, branding assets, and complementary services. Assigning its commercial success to one particular patent claim can become speculative unless reliable evidence supports the connection.
The cautious position therefore does not say commercial success is meaningless. It says commercial success should carry weight in proportion to the quality of the evidence connecting it to the claimed invention. That approach is consistent with current USPTO guidance and Federal Circuit nexus doctrine.
🎯 Key Takeaways
- Commercial success can help with obviousness. It is recognized as objective evidence relevant to a § 103 analysis.
- Sales alone are not the argument. You need to establish why the claimed invention caused or materially contributed to that success.
- Nexus is the bridge. Evidence should connect marketplace performance to the features actually claimed.
- Marketing can cut both ways. Great advertising may generate great revenue while simultaneously providing an alternative explanation for the sales.
- Lead with the technical case. Analyze the claims and prior art first, then determine whether commercial evidence genuinely strengthens the response.
⚠️ Potential Business Hazards
1. Assuming revenue automatically equals nonobviousness
A founder may spend considerable time collecting sales data only to discover that the data does not demonstrate why customers purchased the product.
Better approach: identify the claimed innovation first and build evidence around the reason customers value that innovation.
2. Gathering impressive but legally disconnected metrics
Downloads, revenue, social followers, press coverage, and market share may look magnificent in an investor update. They can still be weak patent evidence if they cannot be connected to the merits of the claimed invention.
A million views and a nexus are very different milestones.
3. Revealing sensitive business information unnecessarily
Commercial-success evidence can involve revenue data, customer information, market analysis, technical testing, or competitive intelligence.
Before placing confidential material into a patent prosecution record, businesses should consider confidentiality, disclosure strategy, evidentiary value, and available procedural options with counsel.
4. Narrowing claims solely to match today's bestseller
One temptation is to reshape claims aggressively around the particular feature currently driving sales.
That may occasionally be strategically sound, but excessive narrowing can also reduce the commercial reach of the patent. The goal is not merely obtaining a patent; it is obtaining meaningful protection aligned with business objectives.
5. Waiting until the rejection to document customer demand
Years later, proving why early customers made purchasing decisions can become difficult.
Companies that routinely document technical purchasing reasons, competitive comparisons, product evaluations, and customer feedback may have a much stronger evidentiary record if commercial success later becomes relevant.
🦄 Myths & Misconceptions
Myth 1: “If we've made millions, the invention must be patentable.”
Revenue demonstrates that people paid for something. It does not automatically establish novelty, nonobviousness, eligibility, enablement, or any other patent-law requirement. Commercial success has a recognized role in obviousness analysis, but it remains evidence rather than an automatic entitlement to a patent.
Myth 2: “Any sales increase proves commercial success.”
An increase in sales may have several causes. The USPTO's guidance specifically looks at whether success resulted from the claimed invention instead of matters such as promotion or other extraneous business events.
The better question is not merely whether sales increased, but why.
Myth 3: “The product contains the invention, so nexus is automatic.”
Not necessarily. The law surrounding presumed nexus examines the relationship between the product and the claimed invention, including whether the product is sufficiently coextensive with the claims. When a presumption is unavailable, nexus may still be established through evidence connecting the objective indicia to unique characteristics of the claimed invention.
Myth 4: “Commercial success can fix any patent rejection.”
Commercial success belongs principally to the obviousness conversation. Different rejection grounds require different legal and technical responses.
The patent system is many things, but sadly it has not yet adopted a universal “But look at our revenue!” form.
📚 Book & Podcast Recommendations
1. Patent It Yourself — David Pressman & David E. Blau
A detailed introduction to patent concepts and the patent process that can help entrepreneurs understand the vocabulary their patent professionals use.
URL: Nolo — Patent It Yourself
2. Nolo's Patents for Beginners
A more accessible entry point for founders who want the fundamentals before diving into deeper prosecution strategy.
URL: Nolo — Patents for Beginners
3. Patently Strategic
A podcast aimed at inventors and startups, with discussions on patent strategy and prosecution—including responding to patent rejection.
URL: Patently Strategic Podcast
4. Patent Pending Made Simple
A practical podcast focused on helping inventors understand patent prosecution, including examiner interviews and prosecution strategy.
URL: Patent Pending Made Simple
⚖️ Legal Cases Worth Knowing
1. Graham v. John Deere Co., 383 U.S. 1 (1966)
The Supreme Court established the foundational factual framework for analyzing obviousness and recognized commercial success and other secondary considerations as potentially relevant evidence.
URL: Graham v. John Deere
2. WBIP, LLC v. Kohler Co., 829 F.3d 1317 (Fed. Cir. 2016)
WBIP involved low-carbon-monoxide marine generators and provides an important example of commercial success, long-felt need, industry praise, skepticism, and copying being evaluated as objective evidence. The Federal Circuit also discussed circumstances supporting a presumption of nexus between commercial products and claimed inventions.
URL: WBIP v. Kohler
3. Fox Factory, Inc. v. SRAM, LLC, 944 F.3d 1366 (Fed. Cir. 2019)
Fox Factory refined the nexus analysis, including the circumstances required before nexus between a commercial product and claims may be presumed. It also made clear that failure to obtain a presumption does not necessarily end the inquiry because nexus may still be proven with appropriate evidence.
URL: Fox Factory v. SRAM
4. Hafeman v. Google LLC (Fed. Cir. 2026)
This recent Federal Circuit decision demonstrates how contemporary nexus analysis works in practice. The court agreed that the evidence did not adequately connect the asserted commercial success, praise, and copying to the merits of the claimed invention, reinforcing that objective evidence needs more than proximity to a successful product.
🤝 Expert Invitation: Turn Revenue Into the Right Patent Conversation
If your company is succeeding in the market but your patent application is running into rejection, the useful question is not simply:
“Can we show the examiner our sales?”
It is:
“What technical feature is driving those sales, is that feature actually captured in our claims, and can we prove the connection?”
That conversation can change the strategy considerably.
Miller IP works with startups, inventors, and growing businesses on patent strategy, prosecution, and intellectual-property planning. If an Office Action is sitting in your inbox looking like it was written specifically to ruin your afternoon, you can schedule a one-on-one strategy conversation at strategymeeting.com.
For more founder-focused intellectual-property education, business discussions, inventor stories, and resources, visit inventiveunicorn.com.
The objective is not merely to tell the Patent Office that your business is succeeding. It is to determine whether the facts behind that success support the patent argument you actually need to make.
🏁 Wrap-Up Conclusion
So, can commercial success overcome patent rejection?
Sometimes—particularly when you are dealing with an obviousness rejection and can establish a persuasive connection between market success and the claimed invention.
But commercial success is not patent pixie dust.
Customers might love your product because of the invention. They might also love your pricing, your branding, your support team, your distribution, or the fact that your competitor's website crashes every Tuesday.
The job is to separate those explanations.
When the evidence shows that customers selected the product because of a specific, claimed technical innovation, commercial success can become meaningful evidence of nonobviousness. When the evidence only shows that the company is good at selling things, congratulations—you have a successful business.
You may still have a patent rejection.
