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About Arnold & Siedsma

About us

Meet the people behind Arnold & Siedsma

The specialists

Arnold & Siedsma is a specialist in the legal protection of your intellectual property rights. From the establishment of patents to the registration and protection of trademarks, designs and other rights. Giving you the complete freedom to make a commercial success of your idea.

IP attorney at law

Are plants exclusively obtained by means of an essentially biological process indeed excluded from patentability?

Are plants exclusively obtained by means of an essentially biological process indeed excluded from patentability?

‘The patent’ in legal proceedings does not exist

‘The patent’ in legal proceedings does not exist

Trade Secrets Protection Act came into effect – what to expect and what to do?

Trade Secrets Protection Act came into effect – what to expect and what to do?

The priority year of your Dutch application is about to expire. What next?

The priority year of your Dutch application is about to expire. What next?

Advantages and disadvantages of i-DEPOT

Advantages and disadvantages of i-DEPOT

Samsung and Apple declare peace in patent infringement battle

Samsung and Apple declare peace in patent infringement battle