How valuable is it to make a trademark undisputed? What exactly does Article 15 protect under the conditions and evidentiary requirements stated in Section 15 of the United States

Making a trademark undisputed is equivalent to transforming it from 'potentially challenged' to 'essentially immovable'. Under the US trademark law, once the Section 15 declaration (15 USC § 1065) is accepted by the US Patent and Trademark Office (USPTO) and continuously used after five years of registration, it is very difficult for third parties to revoke it on the grounds of prior similarity, description, etc. Its value is not on paper, but directly changes the offensive and defensive landscape in litigation and platform complaints.

What rights are locked in Section 15

Ordinary US trademark registrations receive "presumed validity" and "nationwide presumed notice," but third parties can still file for revocation in TTAB (Trademark Trial and Appeal Board), claiming that the trademark lacks distinctiveness, is a generic name, or has prior rights. After Section 15 is accepted by USPTO, the registered trademark gains "undisputed" status. The undisputed here is not absolute: it primarily blocks revocation requests based on 15 USC § 1052 (e) (1) descriptive, § 1052 (f) lack of distinctiveness, and prior use reasons. However, attacks such as fraudulent acquisition, abandonment of use, generic naming, and violation of antitrust laws can still be targeted. In practice, we generally recommend that customers treat Section 15 as a trademark asset "solidification" action, rather than a universal talisman.

The time threshold is not registration for at least five years, but continuous use for at least five years

Many people mistakenly believe that "adding five years to the registration date" is enough to submit their application for the first time. The law states that it shall be used continuously for five years after registration and is still in commercial use. During USPTO review, the focus is on using the chain of evidence, not the date on the registration certificate. If there is a cessation of use, authorization for others to use without control, or use only for affiliated companies without forming a trademark legal meaning, the five-year period will be interrupted. Cross border e-commerce sellers are particularly prone to falling into this trap: months of zero sales on US sites, delisting from listings, and loss of quality control after brand authorization to third-party operators, all of which can cast doubt on the continuity of the five-year plan. Before submission, we usually retrieve Amazon's backend sales records, independent website orders, and advertising data to validate the usage timeline.

Submission window and fee: If you miss Section 8, you will lose your registration first

Section 15 cannot be submitted separately out of thin air, it is attached to a valid registration. Between the 5th and 6th year after registration, a Section 8 Declaration of Use must be submitted, otherwise USPTO will directly revoke the registration. Section 15 can be submitted together with Section 8 or separately after the fifth year. In terms of cost, the current official fee for submitting Section 15 electronically through TEAS Plus is $200 per category, while paper submission is much higher. If you miss the window for Section 8, there is still a 6-month grace period, but an additional grace fee of $100 per category is required. Once the registration is revoked, Section 15 cannot be discussed. We usually recommend that clients start preparing for this timeline in the fourth year after registration.

Evidence requirement: It's not enough to just submit a statement

Section 15 requires the registrant to sign a declaration stating that the trademark has been continuously used for five years and is still in commercial use, accompanied by evidence of current use. The USPTO's scrutiny of evidence is stricter than Section 8, as the undisputed status can substantially affect third-party rights. Evidence forms include photos of trademarked products, packaging, labels, sales page screenshots, invoices, and order records. The key point is that the evidence must show the actual use of the trademark in US commerce, and the time point must cover the 'current'. Many customers will only submit a screenshot of the website homepage for the first time, which is usually rejected. We generally recommend organizing evidence based on the three elements of "product+trademark+US sales scenario", with at least two different sources mutually corroborating each other.

How to save after being rejected: the response deadline is only 3 months

USPTO may issue an Office Action after reviewing Section 15, with common reasons for rejection including insufficient evidence of use, inconsistency between trademark design and registration, and disqualification of the signatory. The response deadline is 3 months from the date of publication, and an extension can be applied for, but the extension requires payment and can only be extended for a maximum of 3 months. Failure to respond within the deadline will result in the application being considered abandoned. If Section 15 is ultimately rejected, it will not affect the original registration validity, but the undisputed status will not be obtained. In practice, we generally recommend that clients conduct an internal usage audit before submission to address any issues that may trigger review comments in advance, which saves money and time compared to responding afterwards.

What can be saved in TTAB and the court after obtaining uncontroversial status

The greatest value of undisputed status lies in adversarial procedures. When a third party files for revocation in TTAB, if the registration has already obtained Section 15, the plaintiff cannot claim revocation on the grounds of descriptive, lack of distinctiveness, or prior similarity. This means that the defendant can use a summary judgment or motion to dismiss the case early, saving a lot of evidence disclosure and trial costs. In federal court litigation, the uncontested registration constitutes a strong presumption of trademark validity, significantly increasing the burden of proof for the plaintiff. For cross-border e-commerce sellers, this means a stronger foundation of rights in Amazon brand complaints, TRO responses, and US customs filings. When it comes to cross-border execution, reference can be madeOverseas Intellectual Property columnThe overall layout concept.

How to coordinate with the non controversial mechanisms of the European Union and other jurisdictions

The European Union does not have a system that fully corresponds to Section 15 of the United States, but after five years of registration with the European Union Intellectual Property Office (EUIPO), if the prior rights holder is aware of the use but tolerates it for five consecutive years, they may lose some revocation rights due to negligence, which is logically similar. Article 45 of the Chinese Trademark Law also has a similar five-year tolerance rule. When making a global brand layout, we generally recommend using Section 15 in the United States as a "rights solidification" node in the US market, while evaluating the corresponding mechanisms in jurisdictions such as the European Union, the United Kingdom, and Japan, to avoid only reinforcing in the US while other market rights can still be challenged. Specific jurisdictional differences can be referred to other countries' intellectual property legal services.

Which trademarks are most suitable for Section 15 and which ones are not urgent

Core brand keywords, store owner trademarks, and trademarks that have already invested heavily in advertising budgets are the most worthwhile. Once such trademarks are revoked, the loss is the brand assets of the entire US market. On the contrary, defensive registrations, backup trademarks, and trademarks that have not yet been actually used have limited significance in Section 15 because the evidence of use itself is not solid. In practice, we generally recommend that customers prioritize handling trademarks that have been in use for at least five years, with annual sales reaching a certain level, and have already experienced platform complaints or infringement disputes, based on three dimensions: "service life+sales scale+infringement risk". Intellectual property legal services in the United States and the European Union can be referred toU.S. and EU Intellectual Property Legal Services.

Guangdong Zhiming Law Firm's foreign-related intellectual property team focuses on trademark and patent copyright business in the United States and the European Union, providing full process services such as trademark registration, Section 8/15 maintenance, TTAB confrontation, TRO response, etc. for overseas enterprises and cross-border e-commerce sellers. Hotline: 0755-25986969.

Disclaimer: The content of this article is for general legal information sharing only and does not constitute legal advice on any specific case. The US trademark law and USPTO practices may change, please consult a practicing lawyer based on the facts for specific cases.