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Our focus: your ideas

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

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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.

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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.

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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 in Wiesbaden for all matters relating to patent, trademark and design law since 1949.

Thanks to our merger with Mehler Achler Patentanwälte in 2021, we can offer our clients an even broader range of possibilities and provide you with combined specialist expertise.

Start-up consulting - Roket

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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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.

Globe bleed

WSL worldwide

More than


opposition and invalidity proceedings

in Europe

More than


patent applications

in North America

More than


trademark applications

in Central and South America

More than


intellectual property cases

in more than 20 African countries

More than


design applications

in Asia

Careers at WSL

Talent. Enthusiasm. Enjoyment.

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