
- Profile
Testimonials
Collated independently by Legal 500 research team.
'Very dedicated team of lawyers, well connected and knowledgeable.'
'Especially in the field of design protection, a top address for perfect support in legal matters.'
'CBH is an excellent partner here, providing and has provided valuable assistance both in development, taking into account the legal framework, and in implementation (including design suggestions).'
'What's more, Nadja Siebertz and her team have a wealth of experience in the area of trade mark management and development for major brands.'
'We feel very well looked after.'
'We work with Nadja Siebertz and her team in the trade mark area. Ms. Siebertz has excellent qualifications, is commited and experienced. She provides highly competent and convincing advice and is also able to communicate this very well in a variety of ways.'
'Practical experience, solid assessments, good availability.'
'Ingo Jung: very pragmatic and competent.'
Key clients
- Curaden AG
- IronMaxx
- MAXIM – Markenprodukte Unternehmensgruppe
- Niederrhein Gold
- Stadtwerke Bonn
- Würth GmbH & Co KG
- BASTEI Lübbe
- Brauerei Im Füchschen
- COMPLEMUS Real Estate GmbH
- Donaldson Filtration Deutschland GmbH
Work highlights
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Ingo Jung; Nadja Siebertz; Detlef von Schultz