IP Dispute Resolution and Litigation

Our team have decades of experience advising clients in relation to their intellectual property dispute resolution and litigation requirements.

We can assist our client in the following areas:

• IP Dispute Resolution and Litigation

• Opposition Revocation, Invalidity

• Appeals before the Registries and Courts

In addition to our core practice in New Zealand and Australia, we have extensive international experience practising in international jurisdictions including the United Kingdom, European Union and Ireland and working with clients and agents based in those countries. We also have extensive experience in advising clients from many other countries including Canada, United States, China, Hong Kong SAR and Japan.

Recommended Individual ”...Leighton Cassidy brings deep international expertise to brand protection and enforcement, shaped by two decades in the UK guiding high-value trademark matters. He advises on worldwide filing strategies, registry proceedings and commercial exploitation of rights, as well as coordinating multinational litigation and negotiated settlements for diverse rights holders.”

WTR1000 2026

“Leighton Cassidy excels in advising client on intellectual property and commercial matters. His expertise spans global trademark and design clearance, contentious proceedings, appeals, licensing, and international IP litigation.”

WTR1000 2025