Partner

Dr. Constantin Kurtz, LL.M. (University of Illinois)

Rechtsanwalt | Fachanwalt für Gewerblichen Rechtsschutz (Certified lawyer for intellectual property law) | UPC Representative (UPC Representative)

Languages

German
English

Constantin Kurtz has 20 years of experience representing clients in patent litigation before German courts and the Unified Patent Court (UPC). He conducts patent infringement and validity proceedings, at national level especially infringement proceedings before the relevant civil courts as well as parallel nullity proceedings before the German Federal Patent Court (BPatG) and on appeal before the German Federal Court of Justice. He is also authorised to act as a representative before the UPC and regularly conducts preliminary injunction proceedings, including proceedings for the preservation of evidence.

His industry specialisms include semiconductors, mobile communications and IoT – including SEP/FRAND constellations – as well as automotive, mechanical engineering and fastening technology. He represents both research-based companies in connection with the enforcement of their patents as well as manufacturing companies in claim situations. His clients range from hidden champions to listed corporate groups.

Constantin Kurtz has been working as a lawyer since 2006 and was partner of a law firm specialising in patent and trademark law from 2013. He joined CMS in 2026. He is also a lecturer at the University of Hagen as part of the continuing education programme for patent attorneys to obtain the European Patent Litigation Certificate.

Relevant experience

Infineon v Innoscience, representing Infineon as claimant before Munich Regional Court I against the Chinese competitor Innoscience in the field of the latest generation of gallium nitride semiconductor devices. The German patent DE 10 2014 113 465 was enforced. Munich Regional Court I ordered Innoscience to cease and desist, pay compensation, provide information and render accounts

OROPE Germany GmbH v KPN, successfully defended OPPO's German subsidiary against legal actions brought by KPN before Düsseldorf Regional Court regarding European patents EP 2 377 337 and EP 2 291 033

both in the context of his former activity.

Publications

"Prozesskostensicherheit gemäß § 110 ZPO im einstweiligen Verfügungsverfahren", Festschrift für Thomas Kühnen, Carl Heymanns Verlag 2024, Seiten 645 – 653
"Lenkergetriebe: Begrenzung des Erzeugnisanspruchs durch die Funktion eines Merkmals", Anmerkung zu BGH, GRUR-Prax 2020, 46
"Gegenangebot der allein verklagten Tochter nicht FRAND-gemäß", Anmerkung zu LG Düsseldorf, GRUR-Prax 2019, 91
"Die Bestimmung des FRAND-Lizenzsatzes für SEP", GRUR 2018, 136 – 144, Mitautor Dr. Wolfgang Straub
"SEP mit FRAND-Erklärung – aktuelle Fragen nach Huawei/ZTE", ZGE 2017, 491 – 513
"Täter, Teilnehmer, Geschäftsführer – Die Haftung im Patentrecht", Festschrift 80 Jahre Patentgerichtsbarkeit in Düsseldorf, Heymanns, Köln, 2016, 345 – 359
"Die Vollziehung der einstweiligen Verfügung durch Zustellung an den Anwalt der Antragsgegnerin", WRP 2016, 305 – 312
"Bessere Rechtsposition für die IT-Industrie – Generalanwalt des Europäischen Gerichtshofs will SEP-Patentinhaber zu Lizenzangebot verpflichten", Börsen-Zeitung, 22.11.2014, S. 9
"Kann ein Geschmacksmuster beschreibend benutzt werden und wo kann man darüber streiten?", KSzW 2014, 3 – 9
"Auch Alltagsartikel sind Kunst – BGH weitet den Schutz des Urheberrechts aus", FAZ vom 27.11.2013
"Festsetzung der Patentanwaltsgebühr nach § 11 RVG", Mitteilungen der deutschen Patentanwälte 2009, 507 – 509
"Germany: surveys a powerful tool, Managing Intellectual Property", July/August 2007 (Issue 171), 78 – 79, Co-author Dr Andreas Schulz
"Gebieten ein Zwang zur Originaltreue und das Kindeswohl eine Sonderrechtsprechung zugunsten von Spielzeugautoherstellern?", WRP 2007, 1152 ff., Mitautor Dr. Ralf Hackbarth
"(Un-)Übertragbarkeit von (ausschließlichen) Markenlizenzen", GRUR 2007, 292 – 295
"Beschreibende und täuschende geografische Herkunftsangaben als absolute Eintragungshindernisse", MarkenR 2006, 295 – 299
"Zum Inlandsbezug der Marke im Internet", IPRax 2004, 107 – 111
"Markenschutz für beschreibende Angaben in fremder Sprache", GRUR 2004, 32 – 35
"Grenzüberschreitender einstweiliger Rechtsschutz im Immaterialgüterrecht", Vandenhoeck & Ruprecht, 2004

Memberships & Roles

ECTA, Member of the Patent Committee
American Intellectual Property Law Association (AIPLA)
International Association for the Protection of Intellectual Property (AIPPI)
German Association for Intellectual Property and Copyright Law (GRUR)
Association of Intellectual Property Experts (VPP)

Education

2010: Lawyer specialising in Intellectual Property
2004: Doctorate (Dr iur.) with a thesis on cross-border interim measures in intellectual property law
2004: Guest lecturer at Bucerius Law School Hamburg
2004 - 2006: Legal traineeship at the Hanseatic Higher Regional Court
2001 - 2002: Postgraduate studies at the University of Illinois (obtaining a Master of Laws as a Fulbright Scholar)
1995 - 2001: Studies at the Universities of Kiel and Strasbourg (Erasmus programme 1997/1998)

Practice Areas

Intellectual Property In-Court and Out-of-Court Representation Patent and Utility Patent Law

Insights

Global Reach

Karriere