France: Keyword use may lead to trade mark infringement

Managing IP is part of Legal Benchmarking Limited, 1-2 Paris Gardens, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

France: Keyword use may lead to trade mark infringement

Sixième Son Communication is a French communication agency specialising in audio branding and sound design. Sixième Son owns the trade mark Sixième Son, registered inter alia for advertising and sound production services. The French company Dissonances also operates as a communication agency focusing on sound creation. Dissonances registered the keywords "sixième son" and "sixiemeson" via Google's paid referencing service AdWords. Following a Google search, these keywords generated sponsored links titled "Sixième son – dissonances.fr" with the commercial tagline "Des musiques originales pour enrichir votre communication" ("original music to boost your communication") and redirected to Dissonances' website www.dissonances.fr. These findings led Sixième Son to sue Dissonances on the basis of trade mark infringement and unfair competition.

Applying the recent case law of the Court of Justice of the European Union, in particular the 2010 Google and 2011 Interflora decisions, the Paris Court of First Instance noted in its decision dated December 17 2015 that the mere use of a competitor's trade mark as a keyword in an internet referencing system does not amount in itself to trade mark infringement. On the other hand, the owner of a trade mark is entitled to prevent a competitor from advertising on this basis where the use of the trade mark as a keyword has an adverse effect on one of the functions of the trade mark, in particular the trade mark's function of indicating origin. This will be the case where the advertising generated on the basis of that keyword does not enable reasonably well-informed and observant internet users, or enables them only with difficulty, to ascertain whether the goods or services concerned by the advertisement originate from the owner of the trade mark or an economically related entity, or originate from a third party.

In other words, use of the trade mark as a keyword will only be considered reprehensible if the content of the corresponding ad is likely to cause confusion among consumers as to the origin of the goods or services.

In the present case, a search on the keyword "sixième son" was generating a top result sponsored link marked as "advertising", highlighted in yellow and titled "Sixième son – dissonances.fr". In other words this title was identically reproducing the registered trade mark Sixième Son.

Although the sponsored link was clearly identified as advertising, thus informing the public (which, according to the Court, is used to distinguish paid results from organic results) of its commercial nature, the judges noted that the combination of the trade mark Sixième Son with Dissonance's name to promote the website and activities of the latter is likely to cause confusion or mislead consumers into believing that the two companies are somehow related. In this regard, the judges stressed that Dissonances provides communication and sound creation services, which are identical with the services covered in Sixième Son's trade mark registrations. Moreover, they found that the commercial tagline used – "Des musiques originales pour enrichir votre communication" ("original music to boost your communication") – clearly promotes identical and directly competing activities.

Accordingly, the Court found that Dissonnance engaged in trade mark infringement and unfair competition due to the confusion caused with Sixième Son's trade mark, company name and trade name and ruled in favour of the latter.

Interestingly, Dissonances had filed a counterclaim on the basis that Sixième Son also registered its company name "dissonances" as a keyword to promote its own activities. This keyword was generating a sponsored link marked as "advertising", highlighted in yellow, mentioning Sixième Sens' website and titled "Sixième Son – sixiemeson.fr". The Court considered that the consumers were perfectly able to identify this sponsored link as an advertising and that Dissonances did not produce any evidence of unfair competition, especially since no reference to Dissonances was made in the title of the ad or in the ad itself. The counterclaim was therefore denied.

In conclusion, based on the French and EU courts' current practice, the mere registration of competitors' trade marks as keywords on internet search engines is not in itself reprehensible. However, traders are advised to be very careful in the way they use such keywords to advertise their own goods or services online.

Pirastru

Leonard Pirastru


Gevers & Ores41, avenue de FriedlandParis 75008, FranceTel: +33 1 45 00 48 48Fax: +33 1 40 67 95 67paris@gevers.euwww.gevers.eu

more from across site and SHARED ros bottom lb

More from across our site

Benoit Geurts and Coreena Brinck will help the firm ‘accelerate its innovation agenda’, according to its managing partner
News of a trademark row over Taylor Swift’s ‘The Life of a Showgirl’ and Nokia’s expansion of its IoT licensing programme were also among the top talking points
IP attorneys share how the Cox v Sony ruling impacts their counselling strategies, and if the case could influence how courts may assess liability for AI platforms
Natasha Daughtrey shares how firms can help their women litigators take the lead on trials, and why she is seeing a convergence of tech and life sciences disputes
The LMG Life Sciences Awards is thrilled to present the shortlist for the 2024 EMEA Awards
Having agreed to a cost cap in the landmark Emotional Perception AI case, the government should do the right thing and pay at least the bare minimum
Ruth Hoy will join the firm's IP practice alongside Huw Cookson, who will also become a partner
IP boutique firm says its platform will help navigate ‘scattered’ decisions by bringing case law, commentary and research under one umbrella
The latest round of promotions has contributed to a 21% rise in partner headcount in the past two years, with business leaders eyeing litigation and the UPC
João Negrão, EUIPO executive director, is joined by a seasoned official to reflect on three decades of stories
Gift this article