HGF is one of Europe’s largest firms of IP specialists. With a dynamic and forward-thinking growth strategy, the firm is one of the few to offer clients a fully integrated IP solution, bringing together over 190 patent attorneys, trademark attorneys, and IP solicitors. The firm has 25 offices throughout the United Kingdom, Ireland, the Netherlands, Germany, Switzerland, France, and Austria.
HGF is already one of the leading firms in the United Kingdom and throughout Europe in terms of its national reach, volume of Patent Cooperation Treaty and EU trademark filings, and position in major legal directories. Its growth has been secured organically and through a combination of acquisition and strategic lateral hires from both private practice and in-house counsel. This has been reflected in accolades such as a continued listing in the Financial Times Leading Law Firm and winning 7 awards at the Managing IP Awards 2025.
The firm has a proven track record of forging successful long-term relationships with clients across a spectrum of business sectors and technologies. Its highly experienced attorneys, commitment to client service, and geographical profile ensure that it is uniquely placed to attend to high-value and complex IP issues.
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
V.O. is one of the larger independent Intellectual Property firms in Europe. We offer services in patent and trademark protection, as well as market and engineering intelligence in terms of IP. These include, for example, prosecution and litigation support before the national and European patent offices and courts, such as before the Unitary Patent Court by our team of European patent litigators.
We have wide expertise and many years of experience in Chemistry, Electronics, Life Sciences, Mechanics and Physics. More than 70 attorneys support clients worldwide to maximize the value of their intellectual property.
Clients range from tech starters and midsized innovators to knowledge centers and multinationals. They include leading national and international companies and institutes. With eight offices in the Netherlands, Belgium and Germany, we operate in a global network of professionals.
Marks & Clerk is one of the UK’s largest, and longest established, intellectual property firms. Our expert teams of patent and trade mark attorneys and lawyers are wired directly into the UK’s innovation economies via our offices in London, Birmingham, Manchester, Oxford, Cambridge, Edinburgh, Glasgow and Aberdeen. Alongside our presence in the UK, we also have offices in nine international locations covering the EU, Canada and Asia, meaning we can tap into local expertise, globally.
Our team provides a full-service IP offering, from the initial filing of IP, through to litigation and commercial exploitation. Having seen the benefits that our clients derive from our full-service model, a number of patent attorney firms have since sought to follow a similar approach by adding solicitors to their teams. However, our well-established and highly regarded litigation and commercial transactions practices continue to set us apart from other firms.
We are experts not only in intellectual property law, but also in the science and technology that underpins our clients’ businesses. Our ability to draw upon this specialist technical expertise, not just in the context of patent prosecution but also in the context of litigation and commercial transactions, enables us to provide clients with a level of service and reach unmatched by other firms.
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