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Mehler Achler Patentanwälte


We advise our German and international clients in every field of intellectual property law. In doing so, we are committed to providing comprehensive advisory services as well as dedicated personal support. And we naturally also ensure absolute confidentiality of all matters and information entrusted to us.

Establishment and Assertion of Intellectual Property Rights

The formulation and submission of patent and utility model applications in most fields of technology and of trademark, domain and registered design applications forms a major focus area of our work.

We conduct the examination procedures on your behalf at the German Patent and Trademark Office, the European Patent Office and the Office for Harmonization in the Internal Market. To obtain intellectual property rights in all countries worldwide, we use our network of competent and experienced foreign patent law firms.

After your intellectual property rights have been established, we keep a close eye on them. If they are breached or contested by competitors, we will help you devise an effective defense strategy. We represent you in opposition or nullity procedures against your patent, in opposition or cancellation procedures against your trademark and in cancellation procedures against your utility model or registered design.

Research and Monitoring

We support you in analyzing and evaluating the intellectual property right situation during the development stage of your products by conducting the required research. We then present the results to you, specifying both your risks and the different courses of action available to you.

At the same time, we monitor opposing trademarks and technical property rights so as to be able to act against them promptly and in good time when required.

Out of Court Settlements

Demarcation agreements in the case of trademark disputes also form part of our service range, as do license negotiations with your competitors based on every type of intellectual property right.

Employee Invention Law

We advise and represent you as an employee or employer in all matters of employee invention law. We compile an overview of your rights and duties, help you establish an efficient reporting system for inventions, for example, and support you in calculating the appropriate compensation. If all attempts at mutual agreement fail, we also support you in enforcing your interests by litigation.

Breach of Property Rights

If a possible breach of your property right or of the property right of a competitor is at issue, we will compile an infringement opinion to provide you with an overview of the legal position and advise you of the possible courses of action and risks.

In the event of litigation, we will represent you before the German courts in cooperation with law firms specialising in the field of intellectual property and well known to us from many jointly conducted proceedings. In the case of property right breaches in foreign jurisdictions we can also use a network of experienced colleagues. In doing so, we will always support you and our foreign partner firms with our technical and legal expertise.