Our focus: your ideas

We safeguard your ideas with expertise, passion and creativity to make sure your innovative power and pioneering spirit pay off.

Our journey: together

Working together is the best way to solve complex problems, which is why team spirit is our top priority at all times.

Our approach: combative

Whether in official examination procedures or in litigation, we have been fighting for our clients for more than 70 years. We are well versed in tactics and always ready to come up with custom-made solutions to any problem.

Our methods: progressive

From encrypted communication to paperless office, we are every bit as much in tune with the times as you are.

Your specialists in patent, trademark and design law

Our firm has been the first port of call for all matters relating to patent, trademark and design law since 1949.

Thanks to our merger with Mehler Achler Patentanwälte in 2021 and the opening of our Munich office in 2024, we have expanded our capabilities for our clients and offer consolidated expertise.

Start-up consulting

Protecting ideas, patenting inventions, practicing innovation: These are the building blocks of our expert start-up consulting, which will help you with all the aspects involved in founding a company.

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About us

Whether you are a solo inventor or a big industrial player, our firm in Wiesbaden has been advising German and international clients on all areas of protection of industrial property rights for more than 70 years.

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News and knowledge

17. November 2025

Guide to Comprehensive Patent Protection in Europe

If you want to protect an invention across Europe, a European patent enables you to cover up to 39 countries with a single application. These include all 27 EU member states as well as 12 other contracting states of the European Patent Convention (EPC) – including Switzerland, Norway, the United Kingdom, and Turkey.

30. May 2025

Selling a patent: Process, legal basis and risks

The sale of a patent offers entrepreneurs, start-ups and inventors the opportunity to monetize intangible assets in a targeted manner. Whether for strategic reasons, as part of an exit strategy or to focus one's own portfolio - patent transfer is an established form of transaction in Germany and internationally.

30. May 2025

What are Nice Classes? A guide for founders, start-ups and inventors

Anyone wishing to register a trade mark has a clear objective: to protect a sign with recognition value in the course of trade. However, this trade mark protection is only fully effective if the associated goods and services are precisely specified.

09. April 2025

Register a design: How to proceed

A unique design gives a product an unmistakable identity. To prevent the design from being copied by third parties, design law offers effective protection. By registering a design, you receive the exclusive right to use your design for up to 25 years.

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Technical expertise

We will be happy to advise you on all technical fields, such as those relating to mechanics, mechanical engineering, electrical engineering and physics, organic and inorganic chemistry, biochemistry and biotechnology, pharmacy, medicine, medical technology and software.

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Legal expertise

From patents and utility models to trademarks, registered designs and Internet domains in Germany and on an international basis, we are on hand at all times to provide our clients with the full breadth of our expertise.