News

We believe in collaboration that moves ideas forward. Efficient, effective and focused on real progress that’s how we help clients protect what drives change.

On 20–21 January 2026, Aleidus and Emma will attend Patent Litigation Europe (PLE) in Amsterdam on behalf of Arnold & Siedsma. They look forward to exchanging views on current developments 

Effective January 1, 2026, e-invoicing will become mandatory for all transactions between Belgian VAT-liable companies. Arnold & Siedsma sends and receives invoices as e-invoices. For our clients Arnold & Siedsma 

Our patent attorneys combine legal expertise with hands-on technical knowledge, enabling them to truly understand the innovations they help protect. For Aleidus van ‘t Hof, Dutch and European patent attorney, 

In competitive markets, organisations benefit when intellectual property is approached as a forward-looking instrument rather than a static asset portfolio. IP Strategy helps shape the conditions under which innovation can 

From 8 to 10 December 2025, Sara Reekmans and Emma Wong will represent Arnold & Siedsma at the HealthTech Investor Summit 2025 in TivoliVredenburg, Utrecht. This event brings together European 

We are proud of our strategic partners and the inspiring collaboration! That is why we would like to share a few highlights:   Kennispoort Regio Zwolle – October 16   Vincent participated in the 

The video with Aleidus and his client Ink Invent is finally here, enjoy a closer look at their story. Your R&D deserves more than ideas. It deserves protection and profit. 

This year, we are once again involved in the Philips Innovation Award, the largest student entrepreneurship competition in the Netherlands. Four colleagues are participating in the Business Panel: Maarten van 

We are sharing a sneak peek of our upcoming video in which Aleidus speaks with Paul Mijnen from Ink Invent about how a clear understanding of an invention leads to