Press releases

News of the firm | IP News | Awards | Legal decisions

8. December 2021 – Impfkampagne: ZusammenGegenCorona

Unter dem Hashtag #ZusammenGegenCorona rufen mehr als 150 Unternehmen und Marken in Deutschland zum Impfen gegen Corona auf. Diese gemeinsame Werbeaktion startete am 7. Dezember über Social Media - auch unsere Kanzlei hat dabei über LinkedIn mitgemacht.

#karoIP #ZusammenGegenCorona | Bilddatei

6. November 2021 – Wirtschaftswoche TOP KANZLEI 2021

karo IP ist von der WirtschaftsWoche im Rechtsgebiet Patentrecht als „TOP Kanzlei 2021“ ausgezeichnet worden. Das Handelsblatt Research Institute befragt jedes Jahr mehr als 1500 Juristen in 200 Sozietäten. Weitere Informationen.

29. October 2021 – JUVE Patent Rankings Germany

Unsere Kanzlei wird im neu veröffentlichten JUVE Ranking "Patent Filing - Germany 2021" wieder empfohlen.

23. October 2021 – Management Training for chinese companies in Germany

Event announcement: Tuesday, 11/16/2021 from 10 a.m. -12 p.m.

Dr. Yingkun Brunner and Matthias Rößler, LL.M. will lead the online workshop "Patent Protection in Germany and Europe: Strategies for Patent or Utility Model Protection" to which we would like to cordially invite you.

The workshop will be held online in Chinese: For more information and to register.

Participants will receive a training certificate provided by the German-Chinese Business Association (DCW). DCW members can attend this workshop free of charge, non-members pay 25€.

About the event series: "Management Training for Chinese in Germany" is a series of events sponsored by the DCW and by the Cologne Chamber of Commerce and Industry (IHK), specifically aimed at Chinese companies and Chinese managers.

14. October 2021 – Client Choice Award 2021

Matthias Rößler has been selected with the Client Choice Award 2021 in the category Intellectual Property - Patent Agents & Attorneys.

Weitere Informationen: Auszeichnung.

24. August 2021 – Who's Who Legal: IP 2021

WWL empfiehlt auf dem Gebiet Intellectual Property die Patentanwälte Kreuels und Rößler.
Weitere Informationen...

3. August 2021 – Leaders League: Germany 2021

karo IP ist im aktuellen Leaders League Ranking "Intellectual Property: Patent Prosecution 2021" aufgeführt. Die Partner der Kanzlei sind "highly recommended". Zu "Leaders League".

15. July 2021 – IAM Patent 1000: The World’s Leading Patent Professionals 2021

Die Kanzlei und drei Patentanwälte werden im aktuellen IAM-Ranking im Patentrecht (“prosecution and nullity”, “transactions”) empfohlen. Weitere Informationen...

25. June 2021 – Handelsblatt - Deutschlands beste Anwälte und Kanzleien

karo IP wird erneut vom US-Anwaltsverzeichnis Best Lawyers empfohlen. Zwei unserer Patentanwälte werden als Experten im Bereich IP ausgezeichnet.

Wir freuen uns sehr über diese Auszeichnung.

22. June 2021 – Current developments in Chinese patent law

Die neuen Regelungen des chinesischen Patentgesetzes treten im Juni in Kraft.

Bei FORUM!Live (am 25.10.2021) wird unsere Kollegin und European Patent Attorney Dr. Yingkun Brunner einen Überblick über die Neuerungen, insb. die Prüfungsrichtlinien in China geben. Auch zu neuen Möglichkeiten in Hinblick auf die Patentierung computer-implementierter Erfindungen wird Sie vortragen.

Frau Dr. Brunner widmet sich der umfassenden Betreuung chinesischer Mandanten auf dem Gebiet des gewerblichen Rechtsschutzes in Deutschland und Europa und verfügt über umfassende Kenntnisse und Erfahrungen zum chinesischen Patentsystem. Hier geht es zum karo IP China Desk.

8. January 2021 – IAM Strategy 300 Global Leaders Guide

Patentanwalt Matthias Rößler gehört zu den IAM Strategy 300 Global Leaders. Weiter zu: Auszeichnungen.

16. December 2020 – karo IP strengthens patent and trademark practice

We are pleased to announce that as of now Mr. Dietmar Haug, LL.M., graduate engineer and patent attorney, will support the karo IP team in serving our clients in respect of national and international patent and trademark matters.

As Senior IP Counsel, Dietmar Haug will actively assist our clients by means of his valuable experience not only in obtaining intellectual property rights, but also in infringement matters, employee invention disputes and due diligence projects in the context of M&A transactions.

19. November 2020 – IAM Global Leaders Guide

Patentanwalt Hermann Kahlhöfer ist als IAM Global Leader ausgezeichnet worden. Weitere Informationen.

5. November 2020 – karo IP im diesjährigen Ranking von JUVE Patent Germany 2020

Unsere Kanzlei wird im aktuellen Ranking "JUVE Patent Germany 2020“ im Bereich der Anmeldeverfahren (Patent Filing) empfohlen. Bei den Auszeichnungen haben wir die News zusammengefasst.

30. October 2020 – Online seminar about SPC

Dr. Yingkun Brunner, European Patent Attorney at karo IP, held a lecture on SPC (Supplementary Protection Certificate) at the “New Media Platform of IP Front” in China.

More than 400 participants attended the online seminar held on October 29, 2020. The presentation contains information about SPC basic knowledge and about the most disputed issues. Furthermore the focus is on the analysis of the existing case law (decisions made by CJEU).
You will find the presentation here (only chinese).

12. October 2020 – karo IP präsentiert sich im Rhein-Wupper Manager

In eigener Sache: Wir freuen uns, dass karo IP im Regio Manager Branchenranking für die Region Nordrhein-Westfalen gelistet ist.

In der aktuellen Ausgabe des Rhein-Wupper Manager (04/2020) präsentiert sich unsere Kanzlei in der Kategorie Recht und Finanzen. Dem Unternehmensportrait war ein ausführliches Interview mit dem Regio Manager Verlag vorausgegangen. Hier geht es zum Artikel.

20. August 2020 – IAM Strategy 300

Patentanwalt Matthias Rößler ist erneut gelistet als “ The World's Leading IP Strategists” (IP Management Consultancy, Legal). Weitere Informationen …

23. June 2020 – „Automotive and smart technology are happy hunting grounds for karo IP”

Thank you! IAM Patent 1000 again recommends karo IP in the annual IAM Patent 1000 Guide 2020. Congratulations to three of our patent attorneys ...

Matthias Rößler, Justus Kreuels and Hermann Kahlhöfer are again recommended in the category Intellectual Property - Germany .

IAM says: „The expert validity and infringement opinions of founding partner Matthias Rößler come laced with “deep knowledge”; his “practical and efficient way of working” also proves invaluable in opposition proceedings. Co-founder Justus Kreuels is well versed in automotive and computer science technologies; like Rößler, he provides insightful infringement and validity opinions. Also present is sage veteran Hermann Kahlhöfer, who manages portfolios involving everything from engines to textile machines and power generation with a defttouch.

We would like to thank our clients, colleagues, IAM and especially the karo IP team making this possible!

20. June 2020 – karo IP | Best Lawyers 2020/2021

Matthias Rößler und Justus Kreuels wurden wieder als Best Lawyers in Germany ausgezeichnet. Weitere Informationen…

13. May 2020 – karo IP ist „Firm of the Year“ bei Global Law Experts

Die Kanzlei ist im Rahmen der diesjährigen Annual Awards in der Kategorie „Intellectual Property“ ausgezeichnet worden. Ausführliche Informationen bei: Auszeichnungen.

16. March 2020 – Availability of karo IP in relation to the corona virus (COVID-19)

Due to the developments in the past days, our patent law firm decided to follow the general recommendations for Germany: The patent attorneys and technical assistants of karo IP will now continue their work in home office.

We have already taken the precautionary actions in the past weeks. Most of our work flows and processes is on a digital basis so that we are able to continue our daily work for our clients.

You will reach us as usual via phone (+49 211 976 356 0) and E-Mail ( Please do not hesitate to contact us in order to arrange online meetings. We will continue the services of our law firm with best efforts, even if we will be forced to close our physical office for a certain time.

A lot of IP services depend on the IP offices. We will keep you posted about upcoming restrictions and their consequences (e.g. running deadlines) in order to discuss on an individual basis.

Our thoughts are with those who are personally affected by the pandemic or who are fighting against the spread with all their strength, especially the doctors, nurses, police officers, etc. We wish all of you good health and that we can soon return to our daily lives.

25. February 2020 – IP LAW FIRM OF THE YEAR (2020, Germany)

The Corporate INTL magazine has awarded karo IP as “IP Law Firm of the Year in Germany 2020”.

The international readership of the monthly publication Corporate INTL Magazine with a circulation of over 70,000 copies includes executives, investors and consultants.

Please see for further information: "2020 Global Awards Publication"; the listing for Europe: from page 53.

13. February 2020 – News about our firm name karo IP |
JUVE Patent informed online

We would like to inform you that our law firm is as of now changing its legal name to

karo IP Patentanwälte
Kahlhöfer Rößler Kreuels PartG mbB

We are delighted that "karo IP" has become an official part of our legal name in the German Partnership Register effective as of January 13, 2020.

Please see the JUVE press releases „OLG Hamm: Düsseldorfer Kanzlei darf Kunstnamen nutzen“ (German) respectively “Düsseldorf patent firm may use alternative name, rules court” (English) .

We would like to also thank you for the trust you have in karo IP over the last two years and look forward to further cooperation.

20. January 2020 – karo IP / Deutsch-Japanischer Wirtschaftskreis e.V. (DJW)

Auch in diesem Jahr unterstützen die Patentanwälte von karo IP wieder den deutsch-japanischen Informationsaustausch im Bereich des Gewerblichen Rechtsschutz. Bereits seit 2017 ist Matthias Rößler aktives Mitglied im Wirtschafts-Netzwerk DJW .

Der Deutsch-Japanische Wirtschaftskreis e.V. (DJW) ist die größte überregionale deutsch-japanische Business-Plattform, die seit 30 Jahren japanische und deutsche Unternehmen und Geschäftsleute in ihren geschäftlichen Aktivitäten unterstützt. Wir freuen uns, Mitglied des Expertenpool des DJW (Legal, Management Consulting und Market Entry/Location Support) zu sein, um Ihre Fragen zu beantworten und Sie beratend zu unterstützen.

6. November 2019 – Seminarankündigung für 05.12.19: „Blockchain - zwischen Hype und Praxis“

Im Rahmen eines eintägigen Seminars am Donnerstag,
den 5. Dezember 2019 in Karlsruhe werden die aktuellen, insb. rechtlichen, Fragestellungen rund um "die Blockchain" erklärt und diskutiert. Wir laden Sie herzlich dazu ein!

Unser Partner, Justus Kreuels, wird im Rahmen dieser Veranstaltung u.a. präsentieren, wie relevant Blockchain im Kontext von Patentanmeldungen ist.

Die Veranstaltung „Karlsruher Dialog Technik und Recht: Blockchain - zwischen Hype und Praxis“ richtet sich sowohl an Techniker als auch an Juristen und beleuchtet neben den rechtlichen Implikationen auch die technischen Aspekte.

25. October 2019 – Attending AIPLA 2019

Matthias Rößler and Sven Jessen are attending the AIPLA Annual Meeting (American Intellectual Property Law Association) which takes place in Washington, D.C. this week.

Looking forward meeting you there! Stay in touch: Follow KARO IP News also on LinkedIN.

9. October 2019 – Lectures at the National Cheng Kung University, Taiwan

On October 9, 2019 our patent attorney Mrs. Yingkun Brunner, Ph.D., hold two lectures at the National Cheng Kung University (NCKU) in Taiwan.

Download (english)

23. September 2019 – AIPPI Annual Meeting – reconnecting with clients, colleagues and friends. Thank you, London!

Our partner Matthias Rößler attended the AIPPI – International Association for the Protection of Intellectual Property World Congress 2019, which took place in London last week.

It has been four days of inspiring debates, interesting educational opportunities, intensive networking and great discussions with clients and colleagues all over the world. Many thanks to the UK Group of AIPPI for organizing this interesting congress.

Looking forward to meeting you next year in Hangzhou, China!

15. July 2019 – Chinese IP Workshop in Munich

On June 24, 2019, KARO IP attended the 2nd Chinese IP Workshop taking place at the European Patent Office in Munich.

The workshop was hosted by the Principal Director of User Services and Quality Management Mr. Niclas Morey and Mr. Jeremy Scott as sponsor of the Asian Patent Expert Group (APEG). The event´s topics surrounded new development of the EPO as well as CII (computer implemented invention).

APEG, the Asian Patent Expert Group, focuses on the development of patent law and practice in Asian, especially in China.

The successful seminar attracted about 40 people; among them corporate IP legal professionals, head of corporate technologies and patent attorneys.

1. July 2019 – Best Lawyers / Handelsblatt empfiehlt 2 Anwälte von karo IP im Ranking Deutschlands beste Anwälte

Am vergangenen Freitag, 28. Juni ist das Best Lawyers Ranking zu den besten Anwälten 2019 veröffentlicht worden.

Nach einer Peer-to-Peer-Erhebung konnten in den drei Ländern Deutschland, Österreich und Schweiz die besten Anwälte je Rechtsgebiet gerankt werden.

„Es ist für uns ein besonderes Ereignis, in dem renommierten Best Lawyers Ranking in der Kategorie „Intellectual Property Law“ (Nordrhein-Westfalen) gelistet zu sein“, kommentierte Justus Kreuels nach Bekanntgabe der Auszeichnung.

Weitere Informationen erhalten Sie im Handelsblatt Artikel vom 27.06.2019 "Die besten Anwälte und Kanzleien Deutschlands 2019".

25. June 2019 – Congratulations to our new European Patent Attorney

Some more good news from KARO IP! We are glad to announce the outcome of this year’s European Qualifying Exam. Our colleague Leonard Lotz passed the exams and is now authorised European Patent Attorney.

With this authorisation, he may represent karo IP´s clients before the European Patent Office (EPO). Congratulations on this great achievement, well done!

21. June 2019 – IAM Strategy 300 – The World’s Leading IP Strategists

Congratulations, Matthias Rößler, for being ranked in IAM Strategy 300 – The World’s Leading IP Strategists! (Sector: IP Management Consultancy and Legal).

“This confirms that KARO IP sets the right priorities and that we have an outstanding team that copes with all requirements," comments Matthias Rößler, patent attorney and founding partner of KARO IP.

IAM Strategy 300 identifies once a year those individuals, who are leading the way in the development and implementation of strategies that maximise the value of IP portfolios.

7. June 2019 – karo IP is recognized by IAM Patent 1000

We are delighted to announce that karo IP is ranked in this year’s IAM Patent 1000 Ranking.

The firm is recommended in the category “Germany - Prosecution and Nullity” as well as in the category “Germany - Transactions”.

We are furthermore very pleased for the recommended individuals Matthias Rößler, Justus Kreuels and Hermann Kahlhöfer. Congratulations!

Many thanks to all clients, colleagues, IAM and above all the whole team which made this possible!

3. June 2019 – Lecture at the European Patent Office

Dr. Yingkun Brunner was invited by the European Patent Office (EPO) to give a lecture for their examiners on June 3, 2019.

The topic was “Sufficiency of disclosure and support of the claims in China and in Europe”. The presentation got a good reception, and we had very informative discussions. Please contact us in case you are interested in getting further information.


27. May 2019 – INTA Annual Meeting – reconnecting with clients, colleagues and friends. Thank you Boston!

KARO IP, participating this year’s INTA in Boston, Massachusetts, appreciated the five days of interesting educational opportunities, intensive networking and great discussions with clients and colleagues all over the world.

We hosted the meetings at several places around the convention center and had very inspiring debates. Sincere thanks are given to them all.

With more than 11,000 member attendees, exhibitors, sponsors and media partners the 141st Annual Meeting was the largest in INTA history.

Looking forward to meeting you next year in Singapore!

17. May 2019 – Unser neues Corporate Design

Wir haben unser Corporate Design weiterentwickelt und das Ergebnis präsentieren wir Ihnen auf diesen Seiten!

Das, wofür die Kanzlei heute und in Zukunft steht, wollen wir mit diesem kraftvollen und freundlichen Auftritt kommunizieren: In der Zusammenarbeit mit unseren Mandanten und unseren Kollegen sind für uns Werte wie Tradition und Vertrauen ebenso relevante Faktoren wie Innovation und Unternehmertum. Modern und mit einer klaren (Form-)Sprache: Wir bieten Ihnen das „Rundum-Paket“ in allen Belangen zum Thema Gewerblichen Rechtsschutz (IP).

Mit unseren Patentanwälten, die zum Teil mehr als 20 Jahre einschlägige Berufserfahrung haben, ist KARO IP ein zuverlässiger Partner, wenn es um den Schutz und die Verteidigung Ihres geistigen Eigentums geht. Unsere Herangehensweise ist kreativ, die Problemlösung effizient und die Beratung erfolgsorientiert.

30. April 2019 – LES Deutsche Landesgruppe e.V.

Since May 2019 Matthias Rößler is a member of the LES Deutsche Landesgruppe e.V.

The Licensing Executives Society (LES) is an international association of experts in the field of licensing and technology transfer.

In the future, Mr. Rößler plans to actively participate in the LES Working Group “Vehicles”, which, in addition to the topics of licensing and technology transfer, deals with sectoral IP topics. As part of regular workshops and events, a hands-on exchange of experience between experts takes place.

Other topics are assigned to the groups “Life Science”, “IP Valuation” and “IT”. For further information please visit LES Germany.

The German national group based in Nottuln, NRW is - after USA/Canada - the second largest LES country group. Worldwide, the association is represented with more than 10,000 members in almost 100 countries.

1. February 2019 – KARO IP at LinkedIN

We would like to further expand the exchange of information with you via our company profile at LinkedIN.


With a selection of articles and surveys we want to share with you futuristic topics and technologies that should be worth knowing, worth reading, and create an added value for you.

Contact us at LinkedIN or send us an Email to:

20. December 2018 – Extended Strategic Cooperation of Law Firms

The cooperation of the patent law firm Kahlhöfer Rößler Kreuels Patentanwälte PartG mbB with Braun-Dullaeus Pannen Patent- und Rechtsanwälte at the “Platz der Ideen” in Duesseldorf will be expanded.

As announced on December 19, Braun-Dullaeus Pannen will merge with a team of Dr. Emmerling (Munich) at January 1, 2019. We truly value the the association called Braun-Dullaeus Pannen Emmerling and we welcome our new colleagues Dr. Friedrich Emmerling, Dr. Ju Min Kim, Franck Klein, Jürgen Pierau and Jörg Kohlschmidt in our organization.

Kahlhöfer Rößler Kreuels PartG mbB cooperates with Braun-Dullaeus Pannen since January 2018. With this successful collaboration the team of patent attorneys has been able to greatly expand and bundle the technical and scientific know-how as well as the national and international firms’ network.

Kahlhöfer Rößler Kreuels PartG mbB supports clients from various industries in all matters of intellectual property law and in particular in patent-related matters, i.a. for automotive manufacturers and their suppliers for many years.

Thanks to the strategic cooperation with Braun-Dullaeus Pannen Emmerling, who focus especially on telecommunications, we are well prepared for the future. For our clients we can provide professional advice and support, for example with regard to patent law issues in the rising area of autonomous vehicles. The merger of Braun-Dullaeus Pannen and Emmerling marks another milestone in continuing this joint success.

16. July 2018 – Successful Seminar “IP in Europe” in China

On July 13, 2018, KARO IP and Yantai Intellectual Property Association hosted the seminar “IP in Europe” in Yantai, Shandong Province.

Mr. Athanassios-Andreas Stamatopoulos, former principal director at the European Patent Office (EPO), Mr. Matthias Rößler, LL.M., Partner of KARO IP, and Dr. Yingkun Brunner, China Desk/KARO IP, presented different topics about Intellectual Property in Europe. The event´s topics surrounded recent development at the European Patent Office (EPO), Faster Processing at the EPO, EU Trademark, Unitary Patent and Unified Patent Court, German Utility Model, CII Patenting before the EPO, EU Design Patent, etc. The successful seminar attracted more than 40 people; corporate IP legal professionals, head of corporate technologies and attorneys.

Download (english)

29. May 2018 – Location expansion: KARO IP in Munich

From 1 June 2018, KARO IP will be present with an office in the heart of Munich. "In particular our Asian clients appreciate our location at the Sckellstr. 6 at the Maximilaneum, which stands out for its historic Munich ambience," founding partner Kreuels comments this step.
>br> The patent attorneys of KARO IP will regularly work at the Munich office. China expert Dr. Yingkun Brunner will now regularly receive foreigr.n clients at Schkellst 6.

Even in the days of KNH Patentanwälte (until December 2017), the patent attorneys regularly worked in the former KNH office in Munich.

1. May 2018 – Office expansion at the Platz der Ideen 2 in Duesseldorf

On May 1, 2018, KARO IP will expand its office space at the Platz der Ideen 2. The founding partners Rößler and Kreuels decided to take this step a few months after the successful foundation of the law firm KARO IP at the Platz der Ideen. Among other things, new offices will be created for the growing team around the former partners of KNH Patentanwälte.

1. February 2018 – Admission of patent attorney Leonard Lotz

We look forward to having our experienced associate and patent attorney candidate Leonard Lotz now in our team of patent attorneys directly after his admission to the patent attorney.

Leonard Lotz began his training at KNH Patentanwälte and has been supporting the patent attorneys Rößler, Kreuels and Kahlhöfer since 2014.
>>br> Mr. Lotz joined the newly founded law firm KARO IP with some colleagues in January 2018 and successfully completed his training there. He is known to the clients of KARO IP as a competent and experienced contact person. The team is looking forward to the future cooperation.

15. January 2018 – karo IP - Foundation January 2018

After several years of joint activity at KNH Patentanwälte in Duesseldorf, Hermann Kahlhöfer, Matthias Rößler and Justus Kreuels took the initiative to found the law firm karo IP - Kahlhöfer Rößler Kreuels Patentanwälte PartG mbB at the beginning of 2018.

In this law firm pioneering new concepts for an efficient, comprehensive and forward-looking consultation should be realized. The bundled experience, the extensive expertise and the commitment of the patent attorneys serve the well-being of many national and international clients.

We are pleased about the large number of loyal clients who continue to work with us immediately after the foundation of KARÒ IP.

We were able to realize our goal of comprehensive consulting in all areas of technology and intellectual property with sufficient capacity and experience with other patent attorneys and lawyers. With the established patent and law firm Braun-Dullaeus Pannen, we have a partner who has relevant experience in the enforcement of property rights in Germany and in trademark law. With our office community, a constructive and efficient exchange is now possible.

A large team around 3 former partners of KNH Patentanwälte (Matthias Rößler, Justus Kreuels, Hermann Kahlhöfer) joined the newly founded firm at the turn of the year.