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We pursue design infringements effectively and sustainably.

The misuse of your registered and unregistered designs can lead to significant revenue losses for your business. For this reason, we take decisive action against design infringements. In cases of design infringements, we swiftly enforce your claims for injunctive relief via formal warning letters and preliminary injunctions; this is particularly crucial at trade fairs, where immediate action is essential. This is the only way to ensure the effective and lasting protection of your industrial designs.


Furthermore, you may be entitled to monetary damages, which we, of course, also recover on behalf of our clients, as well as a range of additional claims, specifically the destruction of infringing products and the disclosure of distribution channels, enabling you to take effective action against future design infringements.

Received a cease-and-desist letter for design infringement?

If you have received a warning letter yourself regarding an alleged design infringement, it is crucial to react promptly. Please send your warning letter to our firm via email for a no-obligation review; we will assess whether you are, in fact, infringing upon an industrial design and will defend you against any unjustified claims. We may already be familiar with your opponent.


Conversely, if you have received a warning letter from our firm, we recommend that you seek the assistance of legal counsel specializing in this field to ensure the matter is resolved as quickly and efficiently as possible.

Contact us

We offer initial consultations in design law at affordable and transparent fixed rates, which are credited against our fees should you decide to retain our services further.


Feel free to contact us by sending us an email or calling us at any time. We are looking forward to helping you with any issues relating to design law and the protection of industrial designs.

Attorney at law Andreas Erlenhardt, LL.M.

Bar-certified specialist attorney for intellectual property



We do business all over Germany. Our Düsseldorf office is located within the district of the Higher Regional Court (Oberlandesgericht) of Düsseldorf, to which the following communities belong: Hilden, Langenfeld, Meerbusch, Neuss, Krefeld, Kaarst, Ratingen, Mönchengladbach, Viersen, Kempen, Wuppertal, Erkrath, Haan, Remscheid, Mettmann, Solingen, Velbert, Oberhausen, Duisburg, Mülheim, Dinslaken and Kleve – we do not have offices in these cities but only in Düsseldorf. We have advised clients who are located in Berlin, Dortmund, Bremen, Köln, Dresden, Bochum, Bonn, Gelsenkirchen, Chemnitz, Kiel, Augsburg, Koblenz, Lübeck, Leverkusen, Oldenburg, Stuttgart, Osnabrück, Paderborn, Würzburg, Ulm, Offenbach, Bottrop, Hannover, Münster, Recklinghausen, Trier, Erlangen, Jena, Reutlingen, Nürnberg, Pforzheim, Göttingen, Heilbronn, Regensburg, Ingolstadt, Darmstadt, Heidelberg, Potsdam, Leipzig, Hamm, Kassel, Saarbrücken, Mainz, Freiburg, Aachen, Braunschweig, Wiesbaden, Karlsruhe, Mannheim, Bielefeld, Essen, Frankfurt and München.