When a mark is challenged as descriptive: what to do first
A descriptiveness challenge is procedural before it is substantive. Confirm which track raised the objection — examination, opposition or invalidity — since each has a different decision-maker and a different clock. The most common early mistake is treating the response deadline as flexible. It is not, and missing it can close the case before the merits are heard.
The legal basis
For an EU trade mark, the ground for refusing or invalidating a descriptive sign sits within Regulation (EU) 2017/1001 (EUTMR), in force since 1 October 2017. The regulation covers both the examiner's objection raised during registration and a later invalidity action once the mark is already on the register.
For a national mark filed in Lithuania or Estonia, the equivalent ground exists under the applicable national trade mark law. The specific provision, and the office that applies it, depends on where the mark was filed and registered.
What changes in your timeline
The immediate effect of a descriptiveness challenge is timing pressure, not automatic loss of the mark. An examiner's objection carries a response window fixed in the objection letter itself. An opposition runs on a period set by the office and published in its procedural rules, starting from publication of the application. An invalidity action against an already-registered mark can, by contrast, be brought without a fixed starting deadline, though delay in raising a defence can affect how later evidence is weighed.
Whichever track applies, the clock started the moment the office or the opposing party issued the challenge — not the moment you opened the letter or the notification email.
What to do first
- Identify the exact track from the notice: office objection, opposition, or invalidity action.
- Locate the response deadline stated in the notice and calendar it immediately; the deciding office does not send reminders.
- Instruct counsel to assess whether the sign is genuinely descriptive of the goods or services claimed, or only allusive or suggestive.
- Gather evidence of use predating the challenge, including packaging, sales material, and consumer-facing references, all dated.
- Decide whether the response argues inherent distinctiveness, acquired distinctiveness through use, or both, before drafting begins.
- File the response through the same channel as the notice, within the stated window, and confirm receipt.
Who decides, and on what evidence
| Track | Decision-maker | Deadline logic |
|---|---|---|
| Office objection during examination | Examiner, then the Boards of Appeal if appealed | Response window set out in the objection letter itself |
| Opposition after publication | Opposition division | Opposition period runs from publication; further deadlines follow office rules |
| Invalidity action after registration | Invalidity or cancellation division, then Boards of Appeal | No fixed starting deadline; procedural deadlines apply once the action is filed |
For a national mark, the equivalent bodies sit within the national office or the competent court, and the applicable channel depends on where the mark was registered.
Descriptiveness is assessed from the perspective of the relevant public in the relevant territory, at the relevant date. The decision-maker weighs dictionary meaning and trade usage and, where acquired distinctiveness is argued, evidence that consumers already associate the sign with a single commercial origin.
If your situation is different
If the challenge coincides with a product redesign, sequence the two carefully. Changing the branding before the deadline can undercut your own argument that the sign is distinctive as used. When the product is redesigned mid-dispute explained sets out how to keep the two processes from colliding.
If the mark is licensed to a third party under a supply or technology agreement, a separate audit clause can surface at the same time and needs its own timeline. When an audit right is invoked without notice: what covers that clause on its own terms.
If the sign is also used in connection with a token or digital asset rather than only physical goods, a parallel dispute over the underlying mechanism belongs to a different forum entirely. When a stablecoin peg is challenged and its limits explains where that argument is decided.
What this page does not cover
This page does not assess whether your specific sign is descriptive; that turns on the goods or services claimed and the relevant public, and needs a case-by-case review. It does not cover infringement proceedings, customs seizure of goods bearing a challenged mark, or criminal enforcement. It does not predict the outcome of any appeal.
Related situations
What to do first in this situation and who walks through a comparable procedural fork triggered by corporate restructuring, where a trade mark portfolio has to be split rather than defended.
Verified
We checked this page against Regulation (EU) 2017/1001 (EUTMR), in force since 1 October 2017, as published on EUR-Lex. Procedural rules for national marks in Lithuania and Estonia sit with the respective national offices and are not restated here.
Where a descriptiveness dispute sits alongside a broader review of registered assets, a structured check can map what is registered against what is claimed. Asset in Spain explained sets out the scope of that check.
Frequently asked questions
What is the first step when a mark is challenged as descriptive?
Identify which track raised the objection — examiner, opposition or invalidity — and locate the deadline stated in the notice before addressing the substance.
Which deadline is already running?
If the challenge came from the examiner, the response window set out in the objection letter. If it is an opposition, the opposition period running from publication. An invalidity action has no fixed starting deadline, but once filed, its own procedural deadlines apply.
Who decides, and on what evidence?
An examiner, an opposition division, or an invalidity division decides, depending on the track, based on how the relevant public in the relevant territory perceives the sign, together with any evidence of acquired distinctiveness through use.