Clarice Chen

Clarice Chen

Managing Director

Sigma IPR


8F., No. 87, Songjiang Rd., Zhongshan Dist.,
Taipei City 104, Taiwan
Taipei 104



E-mail Address:

Clarice Chen

Areas of Expertise

Patents, Trademarks, Enforcement, IP Litigation, Pharma & Biotech


Clarice (Tsui-Hua) Chen is the managing director of Sigma IPR (formerly, Rich IP & Co., a patent firm established in 2005 in Taiwan). Before starting her own career in 2005, Chen worked for the largest international law firm in Taiwan for about 15 years, and was the principal of the patent and technology department of said firm. Chen especially excels in handling patent disputes, including offense, defense, and infringement litigation. She has been engaged in international IP practice since 1990. Chen has lectured for local and national organizations in Taiwan on various intellectual property topics.


Team members of Sigma IPR have various technical backgrounds and are specialized in the prosecution of patents and trademarks as well as the maintenance of the rights obtained therefrom. In Taiwan, there are only a handful of IP firms equipped with a full-fledged chemical/biochemical team, among which the chemical/biochemical team of Sigma IPR has particularly been recognized as the most responsive, detail orientated and disciplined. The technical fields covered by the unique chemical/biotech team include, but are not limited to, chemistry, chemical engineering, material science, polymers, semiconductors, pharmaceuticals, agricultural, life sciences and biotechnology.

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