Annual fees

We specialize in the management of patent annuity payments across Asia - from fee calculation to multi-country payment processing. Our centralized service ensures compliance while minimizing administrative burdens.

Why Us

Why Us

Chang Tsi & Partners provides global annuity management services for patents, trademarks, and design rights. 

 

Through centralized annuity ledger management, automated renewal reminder systems, and coordination with local agents, we ensure the continuous validity of clients' IP rights across Greater China and Asia. Our services include managing the annuity payment process, conducting compliance reviews, and maintaining complete payment records, helping clients minimize risks and administrative burdens.


With rigorous process controls and meticulous financial management, Chang Tsi offers efficient, transparent, and traceable annuity support globally.

Our Team