Protective rights secure your market position and have an immeasurable promotional impact. They protect your investments and are a symbol of quality.

Isenbruck Bösl Hörschler was founded in 2003. As recognized rankings such as those in JUVE and the Financial Times show, the firm ranks among the top German patent law firms. Our clients include established large companies in key industries as well as small and medium-sized companies, start-ups and universities.

About us

The firm has a broadly based team of patent attorney contacts in various technical fields and professionally trained non-attorney employees. This enables us to offer our clients comprehensive expertise in the field of intellectual property rights and to provide individually tailored interdisciplinary advice. In cooperation with selected, specialized attorneys abroad, the firm offers a comprehensive, worldwide service.

Get to know our team

Our services

We are active in all fields of intellectual property. Our patent attorneys advise their clients from the filing of patent applications to the granting of technical and non-technical property rights as well as in the defense and enforcement of patents, utility models, trademarks and designs.

Our range of services

Main focus

Due to a broad spectrum of technical expertise in the patent attorney team, experts matching the respective area of specialization can handle your assignments. Special technical areas of expertise include chemistry, process engineering, polymers, plastics technology, biotech, pharmaceuticals, life sciences, mechanics, optics, electrical engineering, and digital/AI.

All sectors

Our partners

Involvement of attorneys-at-law

In infringement proceedings and other civil proceedings in the field of intellectual property rights, where the involvement of attorneys-at-law is required by law or advisable, we cooperate with reputable external attorneys-at-law.


Isenbruck Bösl Hörschler has offices in Mannheim and Düsseldorf and is represented locally at important locations for the protection of intellectual property in Germany. It goes without saying that in the electronic age we have no problems working with international clients even over long distances.


Call us or write to us.
We will be happy to advise you.


+49 621 42 271-0 (Mannheim)

+49 211 157756-0 (Düsseldorf)