• Authority

We support you in all proceedings at the European Patent Office (EPO)

The EPO is the authority for the examination and granting of European patents. To do this, you need an experienced legal counsel with the necessary admissions to protect your intellectual property in order to strengthen your competitiveness. Contact a patent attorney from the law firm Dr. Keller, Schwertfeger: We are commitment to your national and international business interests.

We are committed to protect your intellectual property from the EPA ‚Äď innovative companies and inventors are well represented in our office:

The patent attorneys in our office have all the approvals to carry out your property right applications across the board. In this context, we represent the interests of our clients in patent applications, in patent granting or opposition procedures or in the enforcement of property rights in the event of nullity suits. In particular, as an authorized representative, we let our clients profit from our qualifications in almost all scientific and technical fields as well as from our profound legal experience as patent attorneys in EPO proceedings.

Our patent attorney’s office specializes in protecting your inventions, designs, trademarks as well as your entire intellectual property. Together we plan to protect your valuable innovations. Find out more about our key qualifications and focus areas in which we are at your side as competent experts.

We offer you our service to ensure the protection of your intellectual property.

Find out more about our law firm's thematic focus.

Protecting your rights at every patent and trademark office

We are committed to protect the property rights of natural persons or corporate entities at any patent or trademark office worldwide. These property rights can relate to a brand name, a technical invention such as a new product, device or process. In Europe, the EPO (European Patent Office), based in Munich, is responsible for examining and granting of European patents (and in the future also of Unitary patents). Community trademarks and designs are protected by the European Union Intellectual Property Office (EUIPO).  If the patent or trademark protection applies exclusively to Germany, the German Patent and Trademark Office (GPTO) is responsible. Our firm also represents you and your company in attacks against unitary patents or participate in infringement proceedings at the Unitary Patent Court (UPC) or German district courts.

As patent and trademark attorneys, we provide professional advice on patent or trademark registration, protection, and competent legal assistance in the event of a conflict in order to avert economic damage.

As authorized patent & trademark attorneys, we represent you at the following organizations and courts:

EPO (European Patent Office)
GPTO (German Patent and Trademark Office)
EUIPO (European Union Intellectual Property Office)
WIPO (World Intellectual Property Organization)
BPATG (Federal Patent Court)
UPC (United Patent Court)

Well represented at the EUIPO

The EUIPO (European Union Intellectual Property Office) is based in Alicante, Spain. It’s an agency established by the European Union. The EUIPO is responsible for the registration of Union trademarks and Community designs. We legally represent our clients' trademarks and designs and protect their interests in opposition or nullity proceedings. Each year, an average of more than 150,000 new trademarks and 90,000 designs are registered at the EUIPO. We offer comprehensive protection of your intellectual property rights and ensure the security of your entrepreneurial future.

We have been protecting your innovations
for more than 90 years!


WIPO is the World Intellectual Property Organization and one of 16 specialized authorities within the United Nations system. WIPO's task is to administer 23 individual international treaties that cover various areas of knowledge monopolies. WIPO also pursues the overall objective of protecting intellectual property in order to protect science, technology and arts from imitators. WIPO and EPO are working together to provide comprehensive protection of intellectual property across all countries. We offer our clients the best possible representation in conflicts and protection of their rights in an international context. In this sense, you can rely on our expertise and our commitment to legal conformity and fair competitive conditions worldwide.

Would you like to learn more about international patent applications (EPO, WIPO, etc.)? In our FAQ section, we provide well-founded answers to frequently asked questions. We would be glad to give you free advice. Please contact our office online or by telephone.

We make time for your needs and for the future of your company!
Please feel free to contact us!

Patentanwälte Dr. Keller, Schwertfeger Partnerschaft mbB

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