EUIPO’s March 2026 Rollout of CP16 and CP17: Descriptive Signs and Trademark Slogans Enter a More Predictable European Convergence Phase

In March 2026, the EUIPO used a joint webinar to push the implementation signal of CP16 and CP17 into the market again. The two Common Practices focus respectively on when a sign describing the subject matter of goods or services may be refused as descriptive, and when a slogan can still function as a trade mark. What matters here is less a sudden statutory change than a broader shift in examination culture: issues that used to depend heavily on office-specific instincts are being pulled into a more structured and more predictable framework across European trade mark practice.

For brand owners, the significance is practical. European trade mark assessment is moving from a world where applicants merely know which examples are risky to one where they can increasingly anticipate the logic behind refusals. Read together with CP14 on public policy and morality and CP15 on the comparison of goods and services, CP16 and CP17 are not just two new documents. They are another step in aligning how offices analyse descriptiveness, promotional wording and filing specifications before disputes even begin.

1. What the March 2026 signal really means

CP16 and CP17 did not suddenly appear in March 2026. Both Common Practices were formally adopted by the EUIPO Management Board in November 2025. The March 2026 joint webinar is better understood as the public implementation phase: the point at which adoption starts to turn into examiner training, practitioner awareness and cross-office alignment. For applicants, that matters because the practical risk is no longer hypothetical. The interpretive framework is now being actively socialised across the network.

CP16 addresses a long-debated issue: when a sign describes the subject matter, content or theme of the goods or services, and therefore one of their characteristics, instead of indicating commercial origin. Its practical value lies in its structure. The analysis looks at the relevant public, the meaning conveyed by the sign, whether the goods or services are inherently capable of containing or relating to subject matter, and whether there is a sufficiently direct and immediate link between the sign and that subject matter.

CP17 deals with another recurring grey zone: slogans. It does not create a new rule that slogans are harder to register simply because they are promotional. The more important message is that promotional function and trade mark function can coexist, but not every advertising phrase will cross the threshold into distinctiveness. The central question remains whether the relevant public will perceive the wording merely as a commonplace promotional statement or also as an indicator of trade origin.

2. Why CP16 and CP17 should be read together with CP14 and CP15

Looking at CP16 and CP17 in isolation understates what is happening. CP14 brought greater structure to the assessment of signs contrary to public policy or accepted principles of morality. CP15 did the same for the comparison of goods and services, especially where vague or unclear terms distort legal analysis. CP16 and CP17 now push that same convergence logic into two of the most commercially important word-mark questions: descriptiveness and slogan distinctiveness.

Taken together, these projects suggest that European trade mark practice is not moving toward looser discretion, but toward reusable analytical steps. That is strategically important. It gives applicants a better basis for pre-filing clearance, helps representatives build more consistent cross-border filing advice, and reduces the risk that materially similar wording will be assessed through noticeably different reasoning in different offices.

That said, convergence should not be mistaken for a single automatic outcome everywhere. Common Practice harmonises the language of analysis, not every final result. Differences in linguistic nuance, market context, public perception and national implementation timing will remain relevant. The practical lesson is to treat CP documents less as result catalogues and more as tools for structuring filing strategy, specification drafting and response arguments in advance.

3. The direct filing impact for brand names, slogans and specifications

The first category most affected is content-led naming. Books, educational services, podcasts, streaming services, software modules, advertising services and AI-enabled tools are all vulnerable where a term is likely to be read as referring to the theme, content or object of what is being offered. Businesses will find it harder to rely on the argument that a word does not describe the product itself if the public will immediately understand it as describing what the product or service is about.

The second category is the heavily promotional slogan. CP17 does not say that slogans are unregistrable. It says, in effect, that generic praise, direct promises and broad value statements will often struggle to perform a stand-alone badge-of-origin function. A phrase that merely tells the market “faster”, “better”, “greener” or “smarter” may work well in marketing and still fail as a core word mark if it does not trigger a sufficient degree of memorability, interpretative pause or source-identifying resonance.

The third category is the filing specification itself. Too many applicants still treat registrability as a naming issue only. In reality, the breadth and wording of the goods and services list can amplify descriptiveness objections. Read together, CP15 and CP16 point to a more demanding discipline: the broader, vaguer and more mixed the specification, the harder it becomes to argue that a sign lacks a direct descriptive connection to everything claimed. For cross-border applicants, better specification architecture can be as important as better branding.

4. Four strategic adjustments businesses should make now

First, upgrade European pre-filing review from a pure conflict search to a registrability screen. Ask three questions before filing: how will the relevant public understand the sign; will that meaning be read immediately as subject matter, content, theme, function or a promotional claim; and does the specification make that reading stronger? Many absolute-ground problems can be identified before the application is ever submitted.

Second, separate brand assets from marketing language. The house mark or core sub-brand should avoid wording that is too descriptive or purely laudatory. Where a slogan is commercially necessary, protection planning should be built around combination marks, stylisation, use evidence and the longer-term accumulation of distinctiveness rather than the assumption that every campaign line can stand alone as a word mark.

Third, revisit naming rules for content, education, media, advertising, SaaS and AI products. The more a product or service can be said to carry a theme or communicate a function, the more likely it is to fall within CP16’s direct-link logic. In the AI era, this matters especially for workflow phrases, prompt-like names and functionality-driven branding.

Fourth, recognise that more harmonised does not mean more permissive. CP16 and CP17 increase predictability first, not tolerance. Their real commercial value is that they help applicants identify risk earlier, refine naming choices earlier and distinguish protectable brand signals from language that should remain in the competitive commons.

Overall, the EUIPO’s March 2026 rollout of CP16 and CP17 matters because it pushes European trade mark examination further toward structured reasoning, network-wide calibration and front-end predictability. For businesses entering Europe, that is both a constraint and an opportunity: the earlier they understand the boundary between brand identity, descriptiveness and promotional wording, the better they can reserve exclusive rights for the signs that truly function as trade marks.