Since 1920, your creation has been our motivation. We have 100 years of experience in the legal protection of intellectual property in the Netherlands and other European countries. Also for companies abroad, like China.
Our history
The history of Arnold & Siedsma runs more or less parallel with the legal developments in the field of patents and trademark and design rights. Let's have a trip down memory lane!
Services
Our services are focussed on: patents, trademarks, designs, and litigation. We have patent attorneys, trademark and design attorneys and attorneys at law experienced across all technical and legal disciplines.
Sectors
Arnold & Siedsma has in-house experts with knowledge in the most important innovative sectors. With more than fifty patent attorneys, you will always find a contact with the correct specialism at Arnold & Siedsma.