New Member – Clarice Chen joins as the Patent Law Expert in Taiwan

Leaders in Law, the leading platform in its field, is delighted to welcome Clarice Chen as our exclusively recommended & endorsed Patent Law expert in Taiwan.

Clarice (Tsui-Hua) Chen is the managing director of Sigma IPR. 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. Clarice Chen excels in not only patent and trademark prosecution matters, but also the offense and defense of patent and trademark rights as well the litigation involving patent/trademark rights. She has been engaged in international IP practice since 1990, especially in patent and trademark matter. Chen has lectured for local and national organizations in Taiwan on various intellectual property topics.

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, polymer, semiconductor, pharmaceutical, agricultural, life science and biotechnology. In addition to the chemical/biotech team, Sigma IPR is also equipped with staff skilled in handling patent cases related to mechanics, electrics, Al, etc.

Practice Areas

  • Patent Prosecution
  • Patent Invalidation
  • Patent Infringement Analysis
  • Litigation
  • Trademark Registration
  • Trademark opposition, invalidation and revocation
  • Intellectual Property Law


  • B.S. and M.S. in Chemical Engineering, National Taiwan University
  • LL.M., Shih-Hsin University
  • Research in Intellectual Property (IPSI & ALI), Franklin Pierce Law Center


  • Patent Attorney / Member of Taiwan Patent Attorneys Association (TWPAA)
  • Trademark Agent/ Member of Taiwan Trademark Association
  • Member of Asian Patent Attorney Association (APAA)
  • Member of AIPPI
  • Registered Professional Industrial Engineer in Environmental Engineering