Law firm

karo IP – Your patent law firm for
IP strategy, industrial property rights
and litigation

karo IP is your specialized patent law firm in Düsseldorf when it comes to IP strategy, industrial property rights and patent dispute avoidance.

Your partner for patents, trademarks and designs

We advise and represent companies of all sizes – from start-ups to international corporations – in all matters relating to patents, trademarks and designs.

We support you from obtaining to enforcing your industrial property rights – efficiently, strategically and with a passion for technology and law. Whether patent application, trademark application, design protection or infringement proceedings – we find the right solution for every challenge. We attach great importance to clear communication, transparency and economically sensible strategies.

Modern IP law firm in the heart of Düsseldorf

Our head office in downtown Düsseldorf is located in the center of patent and trademark law in North Rhine-Westphalia. Here we combine legal precision with technical expertise and develop tailor-made IP solutions for the protection, enforcement and defense of your intellectual property.

Our modern offices at Steinstraße 16-18 offer space for concentrated, networked work – in close proximity to courts and IP colleagues. Thanks to its central location, our law firm is easily accessible by public transport – a contribution to sustainable mobility and a modern working culture.

We stand for innovation, plain language and reliability – values that our clients have appreciated about karo IP for years.

We can put together a suitable team of experts at any time to provide you with customized and cost-effective solutions – in the following languages:
  • German
  • English
  • Chinese
  • Japanese

We can put together a suitable team of experts at any time to provide you with customized and cost-effective solutions – in the following languages:

  • German
  • English
  • Chinese
  • Japanese

Solution from a single source –
Efficiency through diversity

We specialize in intellectual property rights and industrial property rights such as

  • Patents
  • Utility Models
  • Trademarks
  • Designs

We offer targeted and forward-looking advice for the IP strategy of

  • Start-Ups
  • SMEs
  • Cooperations
  • other associations

For complex tasks

  • we consider related areas of law and necessary legal proceedings with
  • As a patent law firm, we work together with a comprehensive network of national and international patent attorneys and attorneys-at-law, searchers, marketing and tax experts. We are familiar with dispute avoidance, i.e. monitoring, negotiations, freedom to operate and individual agreements

If a dispute arises, we will assist you with

  • Infringement proceedings, nullity proceedings, cancellation proceedings and revocation proceedings
  • Objections, complaints and warnings
  • before the UPC

Your contact persons

Matthias Rößler

Sven Jessen

Michael Schirmuly

Dr. rer. nat., LL.M. Yingkun Brunner

Dietmar Haug

Tobias Stelzer

Philip Dittke

Matthias Rößler

LL.M., Graduate Engineer (Dipl.-Ing.)
Matthias Rößler
Patent Attorney
roessler@karoip.com
+49 (0)211 976 356 0

Matthias Rößler

Dipl.-Ing. Sven Jessen Patentanwalt
Graduate Engineer (Dipl.-Ing.)
Sven Jessen
Patent Attorney
jessen@karoip.com
+49 (0)211 976 356 0

Sven Jessen

->
 Michael Schirmuly
Graduate Industrial Engineer (Dipl.-Wirt.-Ing.)
Michael Schirmuly
Patent Attorney
schirmuly@karoip.com
+49 (0)211 976 356 0

Michael Schirmuly

Matthias Rößler
Dr. rer. nat., LL.M.,
Yingkun Brunner
European Patent Attorney
brunner@karoip.com
+49 (0)211 976 356 0

Yingkun Brunner

Matthias Rößler
LL.M., Graduate Engineer (Dipl.-Ing.)
Dietmar Haug
Patent Attorney
haug@karoip.com
+49 (0)211 976 356 0

Dietmar Haug

Matthias Rößler
Graduate Engineer (Dipl.-Ing.)
Tobias Stelzer
Patent Attorney
stelzer@karoip.com
+49 (0)211 976 356 0

Tobias Stelzer

Matthias Rößler
Philip Dittke
Master of Science Industrial Engineering

dittke@karoip.com
+49 (0)211 976 356 0

Philip Dittke