Roger Chang


Roger is a Partner in the Patent and Technology Department at Lee and Li, Attorneys-at-Law.  

Roger has extensive experience in intellectual property infringement litigation, licensing, strategy planning, and contract drafting and review.  Roger has represented local and international companies and groups in matters relating to electronics, pharmaceutical and bio-tech, mechanics, chemistry, mass media, fashion industry, and high-tech industries.

Roger is active in trademark, copyright, and patent litigation for various industries.  In 2007, in a landmark case that he participated in, the Taipei District Court awarded Celanese US$68 million against CPDC, a local Taiwanese company, as damages for patent infringement; in another case in 2009, the Intellectual Property Court of Taiwan awarded Philips US$75 million against Princo as royalty of patent licensing.  In 2010, another case represented by Roger, Philips was awarded 68 million USD for patent infringement damages.

Known for his in-depth understanding of complex matters involving intellectual property and ability to provide innovative and constructive solutions, Roger is regularly invited to speak at seminars and workshops and publish articles on intellectual property and antitrust laws.  Roger has also assisted Taiwanese government agencies in amendments to intellectual property-related laws.


University of Illinois College of Law (LL.M., 2005)
National Chung-Hsing University Law School (LL.M., 1998)
National Chung-Hsing University Law School (LL.B., 1995)


Secretary General of Taiwan Patent Attorneys Association
Adjunct teacher in Intellectual Property, National Ocean University
Adjunct teacher in Intellectual Property, Taiwan Intellectual Property Training Academy (TIPA)