DLA Piper’s unfair competition practice specialises in advertising law, direct marketing compliance, trade secret protection and strategic unfair competition disputes. The team combines litigation, enforcement and advisory work with transactional IP guidance on technology licensing, joint ventures and R&D projects. Key sectors include technology, consumer goods, industrials, online retail, as well as media and entertainment. The practice is led by Stefan Engels, who brings particular expertise in advertising, copyright and media law, advising clients across both advisory and contentious mandates. Burkhard Führmeyer is an experienced litigator with a focus on developing IP strategies and providing guidance on trade secret protection.

Remaining active in the sports, gaming, and publishing industries, ADVANT Beiten’s unfair competition practice focuses on advertising law, product imitation, and compliance with evolving EU regulations such as the Green Claims Directive. The team regularly represents clients in court proceedings, including interim measures, and works closely with the firm’s data protection and IP teams to deliver integrated solutions. The practice is headed by Andreas Lober, with Holger Weimann a key contact for unfair competition mandates.

Arnecke Sibeth Dabelstein advises across the full spectrum of unfair competition law, with a strong emphasis on cross-border litigation and regulatory disputes. The team has developed particular expertise in green claims, environmental advertising and product category differentiation. Practice head Thomas Körber specialises in sports law and also brings in-depth knowledge of the chemical and food industries, frequently acting on cross-border litigation mandates. Werner Blau is another key contact, noted for his work in drug advertising law, research contracts and licence agreements.

Grünecker advises national and international companies on all aspects of unfair competition law, with particular strength in advertising, marketing compliance and product launches. The team combines preventive reviews with extensive litigation experience, representing clients before regional courts through to the Federal Supreme Court (BGH). Its sector expertise covers consumer goods, food and beverages, medical devices, electronics, fashion and sports. Key contacts include Anja Franke, who provides strategic guidance on product development and market entry while enforcing rights against imitators and other infringers, and Cornelia Schmitt, who specialises in combating product piracy and counterfeiting.

Harte-Bavendamm Rechtsanwälte advises clients on a wide range of matters, including advertising compliance, misleading claims, product imitation, counterfeiting and green claims. The team combines proactive guidance with strategic litigation and has experience before both German and European courts. Michael Goldmann focuses particularly on cross-border enforcement and defence proceedings, while Karolina Schöler supports clients on pharmaceutical advertising and copyright matters, as well as for advertising campaigns and product designs. Arne Lambrecht specialises in compliant advertising in the healthcare sector, and Cathérine Elkemann  is an experienced litigator.

The trade mark and unfair competition team at HOYNG ROKH MONEGIER is led by Christina Tenbrock, who advises clients on marketing campaigns, product launches, contractual issues, as well as border seizure proceedings. Thomas H. Schmitz adds expertise in shaping advertising and marketing strategies, advising on product development, and handling the drafting and negotiation of licences and cooperation agreements. Mathis Breuer brings litigation strength, representing clients across a variety of sectors, including FMCG, life sciences and sports, with experience in steering complex multi-jurisdictional disputes, while Sandra Stolzenburg-Wiemer specialises in product packaging and anti-counterfeiting.

Spearheaded by Nils Rauer, Pinsent Masons Rechtsanwälte Steuerberater Solicitors Partnerschaft mbB’s IP team provides comprehensive guidance on unfair competition matters, spanning misleading and comparative advertising, product imitation, and cross-border disputes. The practice has particular strength in green and sustainable advertising, anti-counterfeiting, and online brand protection. The team blends litigation and injunction practice with strategic brand enforcement, leveraging sector expertise across automotive, consumer goods and technology.

WilmerHale’s team has a particular focus on e‑commerce, technology, fashion, consumer goods, and pharmaceuticals, with the ability to advise on mass litigation in unfair competition and consumer law. Led by Vanessa Wettner, the practice has recently secured an EU-wide preliminary injunction, represented clients in proceedings before the CJEU, and regularly handles complex cross-border disputes as well as strategic advice on advertising campaigns and licensing matters.

Co-led by Jörg Kahler and Katy Ritzmann, GSK Stockmann is experienced in unfair competition and advertising law, particularly for clients navigating green claims, sustainability, marketing compliance and challenges at the intersection of IP, technology and AI. The team combines strategic litigation, preventive guidance and transactional advice, addressing counterfeiting, misleading advertising and greenwashing issues. Kahler brings deep expertise in technology and digitalisation projects, advising on trade mark, copyright and data protection matters.

Led by Hamburg partner Markus Mette, White & Case LLP has notable strength in unfair competition and copyright disputes. The team leverages cross-border and cross-practice expertise to support clients in the technology, social media, e-commerce and financial services sectors, and is increasingly active in automotive-related mandates. Martin Munz is also a key figure, with particular expertise in copyright and licensing matters.

Arnold Ruess Rechtsanwälte PartmbB, led by Peter Ruess, advises on licensing as well as the development of advertising strategies and branding. The team also supports product launches, represents clients in German courts, and handles cross-border proceedings, with additional expertise in trade marks, design rights and copyright.

Baker McKenzie provides comprehensive advice on unfair competition, trade mark, and advertising law, with a strong focus on cross-border litigation, portfolio strategy, and compliance for commercial campaigns. Key areas include misleading and comparative advertising, product piracy, counterfeiting, influencer marketing and green claims. Eva-Maria Strobel and Michael Fammler jointly lead the team, serving clients across technology, life sciences, consumer goods and luxury sectors.

NORDEMANN has established itself as a notable player in the trade mark and unfair competition arena. The practice is co-led by Anke Nordemann-Schiffel, who is highly regarded for her expertise in copyright, trade mark and unfair competition law, particularly in contentious proceedings, and Jan Bernd Nordemann, who advises clients in the entertainment, consumer goods and furniture industries. Strengthening the team further, Andreas Lubberger joined in May 2025, bringing extensive experience in brand maintenance, the distribution of branded goods and representing consumer goods manufacturers in actions against imitations and counterfeits.

orka is well versed in handling a wide range of competition issues, with a particular focus on developing advertising and marketing models, protecting confidential business information, and structuring licensing deals. The team is jointly led by Philipp Mels and Ulla Kelp, who, beyond their competition law work, provide guidance on data protection and IT law.

Oppenhoff’s soft IP practice is headed by Georg Lecheler, who advises on copyright, brand protection and R&D contracts, with particular expertise in the defence sector. Fee Mäder complements the practice with a focus on infringement disputes and on the planning and execution of advertising and marketing measures, alongside notable experience in media law.