Thomas Spruit MSc

Dutch patent attorney


Control Systems, Mechanical engineering, Thermodynamics


Since 2020, Thomas has been working at Arnold & Siedsma in The Hague. He advises businesses on intellectual property matters and enjoys meeting with clients in-person to identify their needs and opportunities.

Thomas specialises in patents relating to sustainable energy, lighting, consumer products, medical devices, and agricultural machinery. When pursuing his master’s degree in Sustainable Energy Technology, he extensively studied the various technologies that play a role in the energy transition. Innovations that enable a sustainable future continue to fascinate him.

With diligence and precision, he drafts patent applications and infringement advice letters, and guides clients through patent granting procedures. He also works closely with his colleagues from other disciplines, for example in cases involving contractual aspects or design rights.

What others say about Thomas

Analytical, involved, broadly interested

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