Renowned international publications such as Managing Intellectual Property (MIP), Intellectual Asset Management (IAM), World Trademark Review (WTR) and Chambers Europe have awarded our firm repeatedly. Below is a selection of recent commendations.
IP STARS from Managing IP
Switzerland Patent Prosecution Firm of the Year 2025
«Rentsch Partner is a boutique which is highly recommended for patent protection and litigation work. The firm has European patent attorneys for technical fields such as mechanics, chemistry, computer technology, and electrical engineering. The key patent attorneys include Louis Lagler, Andrea Carreira, Alfred Köpf and Dany Vogel. Vogel, who specialises in computer technology, and Köpf, who handles biotechnology work, are non-permanent judges of the Swiss Federal Patent Court. For disputes, the firm has experienced lawyers such as Christian Hilti and Gregor Wild. The partners are supported by consultants, patent engineers and associates.»
IP STARS from Managing IP
Chambers Europe
«Rentsch Partner is a boutique firm handling the full range of IP matters. The law firm has particular strength in contentious cases, representing clients in patent litigation and arbitration. The team also advises on trade mark administration and strategy. The lawyers are able to provide services to clients from industries including biotechnology and mechanical engineering.»
Chambers Europe 2025
Strengths Provided by Chambers
«The team is made up of highly experienced team members who are detail-oriented, forward-thinking and thorough in identifying risks.»
Intellectual Property respondent Europe
«The team are fast and always offer reliable processing of the mandates with a high level of expertise. They deliver clear and pragmatic proposals and speak the language of the clients.»
Intellectual Property respondent Europe
«Rentsch Partner has a high level of expertise in trade mark law.»
Intellectual Property respondent Europe
«Rentsch Partner's team are knowledgeable in their field, commercial in their approach, and their communication skills are excellent. When the team's emails land in my inbox, I get a good feeling.»
Intellectual Property respondent Europe
«The team are efficient and savvy. Their advice is business-focused and the lawyers are effective at resolving disputes quickly.»
Intellectual Property respondent Europe
WTR
«Top-tier law firm Rentsch excels in tackling complex trademark issues with a dynamic and engaging approach. The team’s vast experience and steadfast dedication ensure consistently interesting and impactful work, making them a standout in the Swiss market.» The firm houses immense litigation know-how, especially as its bench of litigators includes the likes of department head Maria Iskic. «Maria is highly proactive and client-oriented, consistently maintaining outstanding relationships with her clients.» «Polished and proactive, she is a joy to work with and boasts an impressive clientele. She is responsive and an out-of-the-box thinker who brings fresh perspectives to her work.» Fabio Versolatto, Suzana Häggi and WTR 1000 newcomer Céline Schwarzenbach are instrumental in the firm’s prosecution activities. «Fabio’s dedication and profound expertise shine through his exceptional prosecution work, consistently delivering excellence for his clients. His meticulous approach ensures top-quality results at every stage of the process.» From representing clients’ prosecution cases to facilitating the negotiation of IP-intensive deals, Häggi continues to make a name for herself as a go-to attorney for all matters demanding high-level precision and expertise. Joining her colleagues in the guide, Schwarzenbach offers «expert legal advice and robust support in legal proceedings and settlement negotiations related to trademark-heavy deals. Always accessible for questions, she ensures communication is clear and straightforward, demonstrating a deep understanding of the nuances of each case.» Finishing off the line-up, Gregor Wild is a versatile practitioner operating on both sides of the contentious and non-contentious divide. «Gregor is a true trailblazer in his field, consistently setting new standards and leading the way with innovative approaches.» «His expertise attracts a prestigious client roster, unlocking numerous opportunities and guaranteeing exceptional guidance with significant success potential.»
WTR 1000 2025
IAM Patent 1000
«A prominent firm in the local IP landscape, Rentsch Partner is synonymous with high-quality, commercially sound and savvy strategic insights.» «Clients are treated with the utmost courtesy and respect, feeling more like valued partners receiving expert advice rather than mere bill payers. This exemplary service extends across all levels of the group, ensuring a seamless and supportive experience in all areas of intellectual property law.» «Whether interacting with partners, administration, or accounting, patrons consistently receive top-notch guidance and support, making Rentsch Partner a trusted name in the field.» On the mechanical engineering front, Louis Lagler leverages time spent at the Institute of Aircraft Statics and Lightweight Construction and his profound legal expertise to inform his approach to dispensing patent solutions to rights holders’ problems. On the computer software side stands Dany Vogel. Bringing a wealth of expertise in IT and telecommunications, he combines his technical expertise with almost 30 years of private practice across Switzerland, to offer a comprehensive patent offering. Chemistry ace Andrea Carreira combines profound knowledge from leading institutions, in-house roles and private practice across the United States and Switzerland. Her diverse legal and technical background makes her an ideal choice for global patent work, including drafting intricate applications and handling SPCs. «With the client’s needs at the forefront of his services, Alfred Köpf offers impressive constructive input in all technical areas.» «He excels at providing clear, transparent and crucial advice during each phase of the prosecution work.» On the contentious side, Maria Iskic stands at the intersection of IP law and ICT law. Leveraging time spent at the District Court of Zurich, in-house at a global player in the power and automation technologies sector, a legal publishing house and leading law firms, she is a formidable opponent in and out of the courtroom.
IAM Patent 1000 2025
Legal 500
«Considered a ‘very professional and highly skilled team’, Rentsch Partner AG is a solid choice for start-ups with its strengths in establishing portfolios and patent protection. Maria Iskic has a comprehensive practice that includes IP, IT and competition matters, and the ’extremely diligent and knowledgeable’ Christian Hilti litigates a considerable volume of patent, trade mark and design cases. The ‘exceptional’ Dany Vogel enjoys a niche expertise in relation to computer-implemented inventions.»
Legal 500 2025
Testimonials – Collated independently by Legal 500 research team
«Full coverage on legal and technical issues in one firm at the highest level.»
«Christian Hilti is an extremely diligent and knowledgeable lawyer; his legal analyses are impeccable. He is a great fighter for his clients.»