About us

As an independent business law firm, ab&d Rechtsanwälte advises companies, start-ups and entrepreneurs throughout Germany and Europe in the fields of intellectual property, competition, commercial and corporate law.

Our focus on these key areas reflects a clear goal – to provide precise, effective and tailored legal advice that supports the commercial success of our clients.

We combine in-depth legal expertise with an analytical and pragmatic understanding of business realities.

Whether protecting innovation, resolving competition disputes or structuring commercial relationships, we work efficiently and with clear communication.

As a reliable partner for international investors and businesses operating in Germany, we are known for our flexibility, accessibility and strategic thinking.

Our core team
Selected cases

Dr Joanna Koronkiewicz, LL.M

Dr Norman Dauskardt

Vera Puhlmann

Anja Heller-Rehberg

Tobias Bystry

Selected cases

ab&d Rechtsanwälte supports companies from various industries in developing, protecting, and enforcing their trademarks across Europe. Our work combines strategic advice with hands-on representation before EU and German trademark authorities. Here's an overview of selected cases:

  • Trademark strategy for a Polish manufacturer and distributor of mobile homes for Germany and across Europe
  • Advising a gamification and escape-room provider on developing and monitoring a trademark portfolio
  • On-going representation of a medical device manufacturer in the Europe-wide defense of its trademarks and products
  • Developing a trademark strategy for a Swiss outdoor-sector company with an international presence
  • Representation of a U.S. company against injunction claims for alleged trademark infringements
  • Advising a food-sector company on the development and internationalization of its trademark portfolio
  • Advising a group of travel companies in Germany on developing and unifying their brand identity
  • Ongoing registration, renewal, and administration of EUIPO and DPMA trademarks and designs

ab&d Rechtsanwälte advises and represents companies in unfair competition matters across Europe, including misleading advertising, labeling compliance, online deception, as well as healthcare advertising (HWG). Our work combines strategic advice with effective enforcement and defense before German authorities and courts. Here’s an overview of selected cases:

  • Representation of an international cosmetics trading company in proceedings concerning unlawful price presentation and other violations of consumer information requirements.
  • Representation of a manufacturer of garden and outdoor products against competitors infringing fair trading principles through deceptive marketing and comparative advertising.
  • Acting on behalf of a medical device supplier against multiple competitors for violations of the Medical Device Regulation (MDR), including unlawful packaging and labeling practices.
  • Advising and representing a real estate brokerage company in defending against an abusive warning and an injunction application brought by an alleged competitor.
  • Defense of an Estonian honey producer against claims by the German Association Against Unfair Competition (Wettbewerbszentrale) concerning the alleged unlawful use of a quality seal.
  • Representation of a Berlin-based start-up in the driver-training digitalization sector in trademark and unfair-competition disputes with a competitor.
  • Defense of a furniture and interior-design start-up against alleged unfair-competition and design-right claims brought by a competitor.
  • Enforcement against operators of fake online shops imitating our client’s web stores, including successful shutdowns of fraudulent domains.

ab&d Rechtsanwälte advises and represents shareholders, managing directors, and companies in all aspects of corporate law — from restructuring and shareholder disputes to acquisitions, capital increases, and transformations. Our practice combines strategic legal planning with pragmatic negotiation and representation before German courts and notaries. Here’s an overview of selected cases:

  • Advising a U.S. company on the acquisition of a German GmbH.
  • Advising and representing a shareholder of a GmbH in a dispute with a co-shareholder involving breaches of non-compete obligations and negotiations on a fair compensation payment.
  • Advising a logistics company with multiple operating entities on corporate restructuring.
  • Drafting the Articles of Association and Shareholders’ Agreement for a coffee start-up with roots in Guatemala.
  • Advising a food-sector start-up on implementing a capital increase.
  • Advising and representing a shareholder of a care-service GbR in connection with his withdrawal and negotiation of an appropriate compensation.
  • Advising a physiotherapy practice on the admission of a new partner.
  • Advising an entrepreneur on the spin-off of his business into a GmbH (hive-down by absorption).
  • Drafting bilingual management-board and supervisory-board (Aufsichtsrat) resolutions, as well as a share-transfer agreement, for an international construction group rooted in Poland.
  • Advising an architects’ GmbH on the withdrawal of a shareholder.
  • Advising and representing a managing shareholder of a port operator against his exclusion from the company.

ab&d Rechtsanwälte advises and represents companies in all aspects of German and international commercial law — from contract drafting and negotiation to risk assessment and organizational structuring. Our work combines legal precision with practical business understanding across industries including creative, technology, film, and digital services. Here’s an overview of selected cases:

  • Negotiating, mark-lining, and red-flagging film distribution agreements, international deal memos, and remake agreements for production and licensing companies.
  • Reviewing AI, data-protection, and intellectual-property risks within organizations and advising on compliance strategies.
  • Establishing a functional shared-service center for an international group of companies, including governance structure and contractual framework.
  • Drafting B2B general terms and conditions for an internationally active creative agency.
  • Advising and representing an outdoor-sector trading company against alleged compensation claims brought by a former commercial agent.
  • Advising a fast-growing online company on drafting B2B and B2C general terms and conditions and negotiating individual contracts with suppliers and service providers.
  • Advising an innovative provider of a new corporate social-engagement platform and drafting its B2B general terms and customer agreements.
  • Drafting terms of use and data-protection notices for an online-dating platform.

We have negotiated and litigated against a wide range of market players and institutions. Selected opponents include:

Adobe
Copyright
Amazon
Unfair competition; seller suspensions
Apple
Unfair competition (exclusionary conduct)
Audi
Commercial law
BMW
Trademark
Burberry
Trademark / design / copyright
Check24 GmbH
Trademark infringement
Deutsche Umwelthilfe
Unfair competition
Douglas
Unfair competition
eBay
Unfair competition, Trademark
Meta
Unfair competition, Trademark
GEMA
Licence fees
Google
Reviews removal; search corrections
IDO Verband
Unfair competition; penalties
L’Oréal
Trademark
Merck
Unfair competition (imitation)
Microsoft
Trademark & copyright
Nintendo
Trademark
PayPal
Contracts
Prada
Trademark infringement
Red Bull
Commercial & copyright
Samsung
UWG violations
Vodafone
Data protection
VW
Trademark
Warner Bros
Trademark / competition / copyright
Yelp
Unlawful reviews
Zalando
Contracts
WettbewerbsZentr
Unfair competition