Netherlands

Firm overview

Arnold & Siedsma is a full-service IP firm founded in 1920, offering a comprehensive range of services to protect and manage intellectual property. Our team of over 60 specialists, including patent attorneys, trademark and design attorneys, and legal experts, assist with the establishment of IP rights, advise on leveraging of IP, and represent clients in legal proceedings to enforce these rights.

With deep technical expertise across all major innovative sectors, our patent attorneys are equipped to handle even the most complex cases. In addition to patent services, we provide tailored IP strategy and management solutions, ensuring your innovations are safeguarded at every stage.

Arnold & Siedsma is a dedicated and experienced partner, committed to supporting you and your innovations every step of the way.

Last updated 21st November 2024

Firm overview

Pinsent Masons' international IP team comprises over 80 IP specialists globally, delivering award-winning, multi-disciplinary expertise through a range of technical backgrounds (some to PhD) and experience drawn from industry.  

At the heart of our practice are long term relationships with many world leading businesses across a range of industry sectors, including: life sciences, technology, energy, financial services, sport, retail and leisure. With a shared passion for innovation, and belief that diversity of thought results in better solutions for business, together we harness IP law to drive positive change, access new markets and disrupt the status quo. 

Our IP advisory team advises on rights and commercialisation strategies, cutting edge collaborations and IP rich cross-border transactions that redefine the commercial landscape. More than just applying lawyers to solve legal problems, we deploy a range of professional disciplines, enabled by process and technology and informed by data. Not only does this empower us to develop solutions and ensure successful outcomes for our clients, it enables us to do so more efficiently and cost effectively.

Our peerless IP disputes team deploys litigation as a strategic tool to help businesses achieve their business goals, rather than simply navigating risk.  Working as a seamless extension of in-house legal and management teams, we're focussed on positive outcomes, whether that is achieving market access for a new product or service, or retaining competitive advantage against those ready to challenge them. 

We have a reputation for taking on the most difficult cases and winning them, often making new law in the process. We regularly act in the highest profile IP litigations before the EPO and EUIPO as well as the national courts and registries. Our success rate is second to none.

Recent IP awards include:

• Xarelto litigations was named an ‘Impact Case of the Year’ at LMG Life Sciences Awards EMEA 2024
• Impact Case of the Year - Sandoz and Teva vs Britsol-Myers Squibb (Managing IP Awards 2024)
• EMEA Patent Litigation Firm of the Year: Pharmaceuticals (LMG Life Sciences Awards EMEA 2023)
• UK Firm of the Year (LMG Life Sciences Awards EMEA 2023)
• Impact Case of the Year – Fingolimod (LMG Life Sciences Awards EMEA 2023)
• Impact Case of the Year – Flynn Pharma (LMG Life Sciences Awards EMEA 2023)
• Impact Case of the Year – Neurim Pharmaceuticals, MIP Awards 2023
• Winner UK (England & Wales) Contentious Patent Law Firm of the Year (Managing IP Awards 2020)
• Winner Impact Case of the Year - Actavis v ICOS (tadalafil) (Managing IP Awards 2020)
• Shortlisted European Contentious Patents Firm of the Year (Managing IP Awards 2020)
• Shortlisted UK Practitioner of the Year - Charlotte Weekes (Managing IP Awards 2020)
• Shortlisted UK (Scotland) IP Transactions (Managing IP Awards 2020)
• Shortlisted UK (Scotland) Contentious Patents (Managing IP Awards 2020)
• Shortlisted TMT Team of the Year (Legal Business Awards 2020)
• Winner Legal Strategy of the Year (Global Generics & Biosimilars Awards 2019)
• Winner Impact Case of the Year Award (Managing IP Awards 2019)
• Winner TMT and Life Sciences Team of the Year (British Legal Awards 2019)
• Shortlisted TMT Team of the Year (Legal Business Awards 2019)
• Winner Patent Litigation Firm of the Year (Corporate International Magazine's Award 2019)
• Winner International Global Business Award 2019
• Winner IP or IT team of the Year (Lawyer Awards 2018)
• Winner Client Choice Award for Patent Litigation (Clare Tunstall) 2018
• Winner TMT Team of the Year (British Legal Awards 2017)

Firm overview

HOYNG ROKH MONEGIER is a leading European intellectual property law boutique. It is the top choice for high-stakes cross-border IP litigation, including at the Unified Patent Court (“UPC”).

Its international team of around 130 dedicated IP professionals across five countries combines legal and technical expertise in patents, trademarks, copyrights, design rights, and trade secrets to protect innovation worldwide.

Patents & the UPC

Recognising the importance of the UPC from the start, HOYNG ROKH MONEGIER has quickly become one of the leading firms representing parties before the UPC. With extensive experience in cross-border patent disputes and involvement in many of the early cases at the UPC, the firm’s teams leverage their deep expertise and strategic approach in navigating the challenges and opportunities of the system.

Trademarks, Copyrights & Design Rights

HOYNG ROKH MONEGIER offers comprehensive legal advice and litigation services in trademarks, copyrights, and design rights. The firm represents clients before national and European courts and authorities, ensuring effective management and enforcement of IP portfolios.

Trade Secrets

HOYNG ROKH MONEGIER provides comprehensive and strategic protection of trade secrets, helping clients safeguard their confidential business information and technological innovations. Services include risk assessment, compliance strategies, litigation and dispute resolution.

Further services

HOYNG ROKH MONEGIER moreover assists and represents clients in various fields closely related to IP, such as pharmaceutical regulatory law, unfair competition, media and advertising law and all IP-related contracts. Also in these fields, HOYNG ROKH MONEGIER is your trusted partner. https://www.hoyngrokhmonegier.com/

Firm overview

Stobbs advises and acts for clients across the whole life cycle of its IP, working closely with a wide variety of IP-intensive companies, spanning various industries, from brand strategy and development of filing programmes to protection and exploitation of those rights. Work includes IP commercial, dispute resolution (both pre-action and formal litigation), brand strategy, advisory, anti-counterfeiting, online brand enforcement, and portfolio management.