2026
"Clear communication, tailored to our company's requirements and requests and with good follow-up. Very pragmatic and available in case of urgent questions or advice. Great knowledge of our business which helps them support and develop our IP strategy."
"Flexible, responsive, knowledgable. Propose the right strategies keeping outcome in mind."
"Good knowledge of our domain, clear advise on patent strategy, multiple in-house specialities, responsive."
"What I appreciate most about Arnold & Siedsma’s IP litigation service is the combination of deep technical expertise and a genuinely client-focused approach. The team demonstrates a strong ability to translate complex intellectual property issues into clear, practical strategies, which makes a real difference during high-pressure litigation. Their responsiveness and willingness to collaborate create a sense of partnership rather than just external counsel support."
"Overall, the service feels reliable, professional, and committed to achieving the best possible outcomes."
"What I particularly value about Arnold & Siedsma’s IP filing, prosecution, and administration service is the team’s reliability and precision. They consistently handle complex portfolios with a high level of accuracy and organization, which gives a strong sense of confidence that deadlines, formalities, and strategic considerations are all under control."
"The team is also approachable and responsive, making communication smooth and efficient. Their collaborative mindset makes them feel like an extension of the in-house team rather than just a service provider."
"The team is also very approachable and collaborative. They communicate complex IP matters in a clear and structured way, making it easier to make informed decisions. Their responsiveness and willingness to engage in discussions create a strong sense of trust and partnership."
"Overall, the advisory service stands out as knowledgeable, pragmatic, and genuinely focused on supporting clients in achieving their objectives."
Marten Bosma
"Communication is smooth, and support is readily available whenever urgent questions arise or when quick verification is needed."
Sara Reekmans
"Strong knowledge of our area, timely work, good advice."
Nele D'Halleweyn
"Nele D’Halleweyn stands out for her strong combination of technical expertise and clear, structured communication. She has a talent for breaking down complex IP matters into practical, understandable advice, which makes it much easier to navigate decisions with confidence. Her attention to detail and thorough approach ensure that work is consistently accurate and well-prepared."
2025
"Pragmatic, sensible advice and prompt delivery. I can trust and value their opinions."
"What stands out about Arnold & Siedsma's IP service is their professionalism, expertise, and client-focused approach.
"Their team combines deep technical knowledge with a clear understanding of our business goals, enabling them to provide tailored and strategic advice.
"We particularly appreciate their responsiveness, attention to detail, and proactive communication, ensuring we’re always informed and confident in our IP decisions."
"Their ability to deliver high-quality work while maintaining a collaborative and approachable style makes working with them both efficient and enjoyable."
