Why a Trademark Search Is Essential and How It Works
A trademark search (also known as a trademark clearance search) examines whether a planned trademark conflicts with earlier registered or otherwise protected signs. Its purpose is to identify legal risks before filing and to prevent opposition proceedings, injunctions or forced rebranding. A professional trademark search significantly reduces both legal and commercial risks prior to market entry.
Trademark offices do not examine conflicts with earlier rights. Without a trademark search, businesses risk oppositions, injunctions, damages and forced rebranding after market entry.
Before a trademark is filed, a thorough trademark search is not merely advisable but essential. The search determines whether the intended mark may infringe earlier trademark rights and whether its use could expose the applicant to legal action. Even where a mark might technically be registrable, similarity to an existing brand can create confusion among consumers and undermine marketing efforts from the outset. From both a legal and a marketing perspective, avoiding conflicts and consumer confusion at an early stage is critical for sustainable brand development.
This article explains how a professional trademark search is conducted, which steps it involves, and why professional clearance is indispensable in practice.
Choosing the Relevant Territory Before Conducting a Trademark Search
Before a trademark search begins, the territorial scope of protection must be defined. This is a decisive preliminary step, as the search must cover all trademark registers that are relevant to the intended market.
Trademark protection follows the territoriality principle. There is no “worldwide trademark”. A trademark is protected only in the jurisdictions where it has been registered or otherwise acquired protection. Consequently, the scope of the trademark search must correspond to the markets in which the mark is intended to be used.
From a German perspective, three systems are particularly relevant: German trademarks, EU trade marks and international trademark registrations under the Madrid System. The broader the desired territorial scope, the more extensive and complex the trademark search must be. Budget considerations also play a role, as broader protection generally entails higher filing and enforcement costs.
Assessing Registrability: Is the Sign Capable of Protection?
Once the territorial scope of protection has been defined, the next critical step is to examine whether the intended trademark sign is capable of protection in principle. Not every name, logo or slogan can be registered as a trademark. Trademark offices examine registrability ex officio during the application process and will refuse registration if absolute grounds for refusal are present.
Absolute grounds for refusal apply irrespective of earlier rights. They concern the intrinsic nature of the sign itself and are assessed by the trademark office even if no third party objects. A failure at this stage results in outright refusal of the application and loss of the filing fees.
In principle, a wide variety of sign types may qualify for trademark protection, provided they are suitable to distinguish the goods or services of one undertaking from those of others. Registrable signs include, in particular, word marks such as company names or personal names, slogans, figurative marks and logos, letter combinations, numbers or number combinations, and composite word-and-device marks. Trademark protection is also available for non-traditional marks, such as sound marks (for example advertising jingles), three-dimensional product shapes, and—under strict conditions—even abstract colour marks.
However, trademark protection is not unlimited. A sign must possess sufficient distinctive character. It must enable the relevant public to perceive it as an indication of commercial origin and not merely as descriptive or promotional information.
Signs are not registrable where they directly describe the goods or services for which protection is sought, where they are customary designations in the trade, or where they merely convey advertising slogans or laudatory statements. Generic or descriptive terms must remain freely available to competitors and cannot be monopolised through trademark law.
By way of example, the term “Auto” cannot be registered as a trademark for passenger vehicles, as it directly describes the product itself. Similarly, “Apfel” is not registrable for apple juice. By contrast, the mark “Apple” is registrable for computers, because in that context the term has no descriptive meaning. In practice, trademark offices assume that the relevant public has a basic understanding of English. As a result, English descriptive terms are frequently refused in the same way as their German equivalents.
Purely promotional expressions such as “Cheap”, “Hot”, “Genius” or “The Best” are likewise not registrable, as consumers do not perceive them as trademarks but merely as advertising claims lacking distinctive character.
Signs may also be refused where they are misleading as to the nature, quality or characteristics of the goods or services. For example, terms suggesting particular qualities or properties that the goods do not possess may be deemed deceptive and therefore unregistrable.
Finally, trademark protection is excluded for signs that violate public policy or accepted principles of morality. In a well-known decision, the German Federal Court of Justice held that the wording “READY TO F**K” used within a composite mark was contrary to accepted moral standards and therefore not registrable. As a general rule, marks involving offensive, discriminatory or morally sensitive content require particularly careful legal scrutiny.
Because trademark offices apply these standards strictly, a significant number of trademark applications fail due to lack of distinctiveness or descriptive content. Even indirect or suggestive descriptiveness may suffice to justify refusal. For this reason, legal assessment of registrability should ideally take place at an early stage of brand development, before substantial investments are made in a name or visual identity.
Trademark Search for Conflicting Earlier Rights
A trademark search is necessary because trademark offices do not examine whether earlier trademarks conflict with a new application. The applicant alone bears the risk of infringing older rights, which may result in opposition proceedings, cease-and-desist letters, injunctions or damages claims after filing.
Neither the German Patent and Trade Mark Office (DPMA) nor the EU Intellectual Property Office (EUIPO) examines relative grounds for refusal during the application process. This means that a trademark may be registered even though it conflicts with an earlier mark. The legal consequences often arise only later, when the proprietor of the earlier right takes action.
Trademark law grants owners of earlier rights an exclusive right to prohibit the use of identical or confusingly similar signs for identical or similar goods and services. If a likelihood of confusion exists, earlier rights holders may oppose the registration, demand cessation of use, seek destruction of goods and claim damages. Statistically, approximately one in five trademark applications is opposed.
How a Trademark Search Is Conducted
A trademark search consists of two stages: an identity search and a similarity search. The identity search checks whether an identical mark already exists. The similarity search examines phonetic, visual and conceptual similarities for identical or similar goods and services and assesses the likelihood of confusion under trademark law.
Publicly accessible online registers provide a starting point for preliminary searches, including the DPMA register, the EUIPO eSearch database and the WIPO Global Brand Database. However, such searches offer only an initial orientation.
Identity searches alone are insufficient. Trademark conflicts frequently arise from similar—not identical—signs. Similarity searches must therefore consider spelling variants, phonetic equivalents, translations and conceptual similarities. In addition, the comparison must always take into account the similarity of the goods and services concerned.
The decisive legal criterion is the likelihood of confusion, which arises when consumers may believe that the goods or services originate from the same or economically linked undertakings. This assessment is complex and requires consideration of numerous factors under § 14 MarkenG, § 42 MarkenG and Articles 8 and 9 EUTMR.
A meaningful similarity search therefore presupposes that the intended goods and services have already been defined, at least at the level of the relevant Nice classes.
Drafting the Goods and Services Specification After the Trademark Search
Once the trademark search has been completed, the goods and services specification must be drafted with great care. Trademark protection extends only to the goods and services listed in the application.
The guiding principle is precision: as broad as necessary, but as narrow as possible. Overly broad specifications increase conflict risks and may later expose the mark to cancellation for non-use. At the same time, the specification must adequately cover the planned business activities.
Goods and services are classified under the Nice Classification, which consists of 45 classes. To supplement the Nice Classification, the EUIPO and national trademark offices maintain a harmonised classification database (TMclass) with tens of thousands of approved terms. Using recognised terminology reduces examination delays and legal uncertainty.
Advantages of a Professional Trademark Search by a Lawyer
Without a professional trademark search, businesses risk filing marks that conflict with earlier rights. This can lead to oppositions, injunctions, damages claims or forced rebranding after market entry. Such disputes are usually far more costly than conducting a proper clearance search before filing.
If potential conflicts are identified, legal expertise becomes indispensable. Depending on the circumstances, the goods and services may be narrowed, negotiations with earlier rights holders may be initiated, coexistence or delimitation agreements may be concluded, or unused earlier marks may be challenged through cancellation proceedings.
Even where no obvious conflicts appear, only a professionally conducted trademark search provides a reliable assessment of residual risk. Filing a mark “on speculation” despite identified similarities is strongly discouraged.
When a Trademark Search Should Be Conducted
A trademark search should be conducted before filing a trademark application and ideally during the brand development phase. Early clearance allows legal risks to be identified before marketing investments are made and prevents conflicts that could undermine brand strategy after launch.
Professional Trademark Searches by ab&d Rechtsanwälte
As a law firm specialising in trademark law, ab&d Rechtsanwälte advises clients comprehensively on trademark clearance and brand protection strategies. Drawing on many years of focused practice, we conduct legally robust trademark searches and provide clear, commercially relevant risk assessments.
We support our clients in identifying conflicts, structuring goods and services strategically, negotiating coexistence agreements where appropriate and preparing trademarks for secure registration in Germany, the European Union and internationally.
If you wish to minimise legal risk and protect your brand effectively from the outset, we will be pleased to assist you with a professional trademark search tailored to your business objectives.