Home / People / Dr. Klaus Ikas
Klaus Ikas

Dr. Klaus Ikas


CMS Hasche Sigle
Schoettlestraße 8
70597 Stuttgart
Languages English, German

Klaus Ikas has more than 20 years of experience as an intellectual property and unfair competition lawyer. His practice focuses on the registration, defence and enforcement as well as the transfer and licensing of intellectual property rights, and he also reviews intellectual property rights in the context of transactions. He often advises German and international medium-sized as well as large companies on protecting their know-how, on research and development projects as well as on all legal aspects of marketing and advertising. Klaus has special expertise in the machine building, automotive, media and energy sectors, and he is furthermore very experienced working with trade companies as well as manufacturers and service providers across different industries.

Klaus joined Sigle Loose Schmidt-Diemitz, now CMS, in 1993 and was made partner in 1999.

more less

"highly recommendable IP lawyer, very solution-focused, quick, diligent, top-class" (client)

JUVE German Commercial Law Firms 2014 (GCLF)

"extremely knowledgeable"

The Legal 500 EMEA, 2014


JUVE German Commercial Law Firms 2016 (GCLF)

Relevant experience

  • Representing several mechanical engineering and plant construction companies in patent infringement and vindication proceedings
  • Advising a media company (travel publisher) on re-drafting its author agreements with regard to content use for digital media
  • Advising one of Germany’s biggest media companies on copyright and trademark matters in the context of a joint venture in the academic publishing sector
  • Advising an energy company on its brand identity, price advertising and direct marketing
more less


  • PhD; thesis on electronic payment law and use of debit cards in the context of electronic funds transfer at point of sale (EFTPOS)
  • Law studies at the University of Tuebingen and business administration studies at the Academy for Administration and Economy of Baden-Wuerttemberg in Stuttgart
more less


  • Industrial and Intellectual Property, Doing Business in Europe, 2017, Sweet & Maxwell (together with Prof. Dr. Matthias Eck)
  • Vergleichende Werbung, Handbuch Gewerblicher Rechtsschutz, Verlag C.H. Beck 3. Aufl. 2009
  • Industrial and Intellectual Property, Doing Business in Germany, CCH Editions Limited 2009
  • Neue Grenzen vergleichender Werbung. Zur Auslegung und Anwendung der Richtlinie 97/55/EG vom 6. Oktober 1997, WRP 1999
  • Vergleichen Sie!, Kommentierung der neuesten BGH-Rechtsprechung zur Vergleichenden Werbung, WRP 1999
  • Vergleichende Werbung, Neue Chancen zu kommunizieren, IHK Magazin Wirtschaft 1999
  • Gewerblicher Rechtsschutz im Internet, Rechtliche Aspekte des Internets, Industrie und Handelskammer Region mittlerer Neckar 1998
  • Zum ständigen Gratisvertrieb von Presseerzeugnissen, insbesondere Stadtmagazinen, WRP, Deutscher Fachverlag 1997
  • Zum Recht der elektronischen Zahlung mit Debetkarten in bargeldlosen Kassensystemen (EFTPOS), Duncker & Humblot 1992
more less

Lectures list

  • Intellectual property on the Internet
  • Comparative advertisement
  • Contractual aspects of e-Commerce
  • Internet and Justitia
  • Trade mark protection of forms and colours
  • Market prominence by trade marks
  • Direct marketing
  • Licence agreements in the insolvency
more less


Show only
CMS ad­vises fash­ion and life­style com­pany Bre­uninger on award­ing centre...
A CMS team headed by lead part­ner Dr Volk­er Zerr ad­vised Bre­uninger on all leg­al as­pects of con­clud­ing the centre man­age­ment con­tracts and the pro­ject man­age­ment agree­ment...
CMS ad­vises Magen­wirth Group on sale of com­pan­ies and joint ven­ture form­a­tion
A CMS team headed by Dr Antje Beck­er-Boley ad­vised the Magen­wirth Group on all leg­al and tax as­pects of both trans­ac­tions...
CMS sup­ports the Holtzbrinck Pub­lish­ing Group in the sale of the on­line...
A CMS-Team led by Dr. Thomas Meyding and Dr. To­bi­as Grau ad­vised the Holtzbrinck Pub­lish­ing Group through­out the en­tirety of this trans­ac­tion...
CMS ad­vises Itali­an meas­ure­ment tech­no­logy spe­cial­ist Mar­poss on ac­quis­i­tion...
Itali­an meas­ure­ment tech­no­logy spe­cial­ist Mar­poss S.p.A. has ac­quired the long-es­tab­lished Thuringia-based com­pany Lehren- und Meßger­ätew­erk Schmalkalden GmbH by way of a share deal...
CMS ad­vises Swedish ap­pli­ance com­pany, Elec­trolux, on ac­quis­i­tion of Schneidereit...
The Swedish elec­tric­al ap­pli­ance group, Elec­trolux, has ac­quired Schneidereit GmbH...
CMS ad­vises Al­li­anz on pur­chase of Kap West of­fice pro­ject in Mu­nich from...
Al­li­anz Real Es­tate has ac­quired the Kap West of­fice de­vel­op­ment pro­ject in Mu­nich on be­half of vari­ous Al­li­anz com­pan­ies...
CMS ad­vises en­gin­eer­ing firm Homag on ac­quis­i­tion of shares in Benz GmbH
The Homag Group from Baden-Württem­berg, which already has a 51% stake in Benz GmbH Werkzeug­systeme, has now ac­quired the shares held by the minor­ity share­hold­er in this joint ven­ture, the Zi­m­mer Group. The deal will be settled in two tranches...
12 May 2016
CMS ad­vises Spar­kassen on in­tro­duc­tion of pay­direkt
CMS Hasche Sigle, CMS Ger­many, Spar­kassen, pay­direkt
CMS ad­vises on sale of ma­jor­ity stake in Telemotive AG to Magna In­ter­na­tion­al...
CMS Ger­many, CMS Hasche Sigle, Telemotive AG, Manga In­ter­na­tion­al Inc.
CMS ad­vises Holtzbrinck on com­ple­tion of the mer­ger of ma­jor­ity of Mac­mil­lan...
HUBER Pack­aging Group ad­vised by CMS on ac­quir­ing four plants in Switzer­land,...
CMS ad­vises TRUMPF on ac­quis­i­tion of EHT Werkzeug­maschinen GmbH