Our firm was established in 2005 and renamed to Sigma IPR in 2021. Sigma IPR, as the symbol “Σ”, is devoted to providing excellent services to accumulate our clients’ intellectual property rights with fine quality. Our team members have various technical backgrounds and are specialized in the prosecution of patent and trademark as well as the maintenance of the rights obtained therefrom. The team can provide not only customized advice and services for research results in different fields, but also excellent services for interdisciplinary cases.

The Managing Director of Sigma IPR, Ms. Clarice Chen has devoted herself to the intellectual property field since 1990, handling many patent dispute cases and is familiar with the matters and skills related to patent disputes. Significantly, Ms. Chen takes charge of the technical strategy for the cases she is involved with and has gained recognition from many clients.