Question 1

What does Leo&us do?

Accepted Answer

Leo&us is a boutique patent firm in Amsterdam. It files and prosecutes US and European patent applications before the USPTO, the European Patent Office (EPO) and the Unified Patent Court (UPC), represents clients in EPO opposition and appeal proceedings, and manages global patent portfolios.

Question 2

Can Leo&us file US patents directly from Europe?

Accepted Answer

Yes. Leo&us includes US patent attorneys and agents registered with the United States Patent and Trademark Office, so the firm files and prosecutes US patents directly rather than routing the work through separate US counsel.

Question 3

Which industries does Leo&us work with?

Accepted Answer

Leo&us focuses on medtech, biotechnology, pharmaceuticals, chemistry, software and deep tech, primarily serving SMEs and companies with active, ongoing R&D that need multi-jurisdictional patent strategies.

Question 4

Where is Leo&us located?

Accepted Answer

Leo&us is based at Strawinskylaan 6, 1077 XZ Amsterdam, the Netherlands. The firm can be reached at info@leoandus.com.

Question 5

Who founded Leo&us?

Accepted Answer

Leo&us was founded in 2024 by Ronny Amirsehhi, its Founder and Managing Partner. The firm was recognised in Managing IP's IP STARS 2026 rankings for patent prosecution in the Netherlands.

Blog

Comprehensive Guide to Domain Change for Your Business

Step-by-Step DIY Guide to Changing Your Domain Name Succe...

Top Tips for Choosing the Right Domain Name

Checklist for a Smooth Domain Change: Avoid Common Pitfalls

Top Tips for a Successful Domain Transition: What You Nee...

Step-by-Step Guide to Successfully Transitioning Your Domain