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蔡瑞森 Ruey-Sen Tsai

Ruey-Sen Tsai

Partner

聯絡方式

Ruey-Sen got his LL.B. degree from National Taiwan University and his LL.M. degree from Cornell Law School, and is qualified for practice in Taiwan as a lawyer, patent attorney and arbitrator.

He focuses his practice in trademarks, patents, copyrights, domain names trade secrets, trade dress and other intellectual property disputes, and has been recognized as one of the leading IP lawyers in Taiwan by several independent surveys.

學歷

Cornell University, Law School (LL.M. 1991)
National Taiwan University (LL.B. 1987)

專業領域

Trademark;Patent; Copyright; Trade Secret; Domain Name Dispute; Trade Dress; Unfair Competition; E-Commerce; Licensing and Litigation

經歷

Assistant Professor, Institute of Technology Law, National Chiao Tung University
Assistant Professor, Graduate Institute of Injury Prevention and Control, Taipei Medical University
Committee, Intellectual Property Committee, Chinese National Federation of Industries
Committee, Intellectual Property Committee, General Chamber of Commerce of the Republic of China
Consulting Committee, Preparation Team of the Judicial Yuan (the authority in charge of judicial matters) for the Intellectual Property Court (the specialized court for IP litigations)
Chairman, Non-Litigation Procedure Committee, Taiwan Bar Association
Committee, Intellectual Property Committee, Taiwan Bar Association
Panelist, Domain Name Dispute Resolution Provider, Science & Technology Law Institute, Institute for Information Industry
Panelist, Domain Name Dispute Resolution Provider, Taipei Bar Association
Chairman, Information and Copyright Committee, Taipei Bar Association

資格

admitted Attorney (1992)
Patent Attorney, R.O.C. (Taiwan) (2009)
Patent Agent (1992)
Taipei Bar Association
Hsinchu Bar Association
Tainan Bar Association

語言

Mandarin, English, Taiwanese Hokkien

Asia IP - the best 50 IP Experts in Taiwan Asia IP
IP STARS 2019 - Patent Managing Intellectual Property

2024 Supreme Administrative Court reveals main points of judgment on Examination Guidelines on Likelihood of Confusion
LEXOLOGY
2024 Supreme Administrative Court reveals main points of judgment on Examination Guidelines on Likelihood of Confusion
LEE & LI Bulletin - January 2024
2023 Letter of Consent Not Definitely Accepted for Trademark Coexistent Registration
LEE & LI Bulletin - November 2023
2023 Letter of Consent Not Definitely Accepted for Trademark Coexistent Registration
LEXOLOGY
2023 Trademark coexistent registration: letters of consent
ILO IP Newsletter (20231130)
2023 Prior use: opposition or invalidation can only be filed if disputed trademark not registered in Taiwan
ILO IP Newsletter (20231030)
2023 Trademark Opposition or Invalidation based on Prior Use can be filed only if the based Trademark has not been registered in Taiwan
LEXOLOGY
2023 Trademark Opposition or Invalidation based on Prior Use can be filed only if the based Trademark has not been registered in Taiwan
LEE & LI Bulletin - September 2023
2023 Unauthorised use of Taiwan-registered trademarks in China does not Violate Taiwan Trademark Act
ILO IP Newsletter (20230925)
2023 Unauthorized Use of Taiwan Registered Trademarks in China Not Violate Taiwan Trademark Act
LEXOLOGY
2023 Unauthorized Use of Taiwan Registered Trademarks in China Not Violate Taiwan Trademark Act
LEE & LI Bulletin - July 2023
2023 Trademark or patent marking after revocation violates Fair Trade Act
LEXOLOGY, ILO IP Newsletter (20230710)
2023 Trademark or Patent Marking after Trademark or Patent Revoked Violate Fair Trade Act
LEXOLOGY
2023 Trademark or Patent Marking after Trademark or Patent Revoked Violate Fair Trade Act
LEE & LI Bulletin - May 2023
2023 How well known must a well-known trademark be?
LEXOLOGY, ILO IP Newsletter (20230508)
2023 Supreme Administrative Court clarifies how to conduct similarity assessments in trademark disputes
LEXOLOGY, ILO IP Newsletter (20230417)
2023 Unified Legal Opinion of Grand Chamber of Supreme Administrative Court: The well-known trademark referred to in the Trademark Act concerning the likelihood of detracting from the identity or reputation of well-known trademarks or marks refers to the trademarks that are widely recognized by relevant businesses or consumers
LEXOLOGY
2023 Unified Legal Opinion of Grand Chamber of Supreme Administrative Court: The well-known trademark referred to in the Trademark Act concerning the likelihood of detracting from the identity or reputation of well-known trademarks or marks refers to the trademarks that are widely recognized by relevant businesses or consumers
LEE & LI Bulletin - March 2023
2023 Supreme Court provides guidance on evidentiary competence of trademark infringement assessments
LEXOLOGY, ILO IP Newsletter (20230306)
2023 Supreme Administrative Court Reveals Principles of Determining Similarity of Trademarks
LEXOLOGY
2023 Supreme Administrative Court Reveals Principles of Determining Similarity of Trademarks
LEE & LI Bulletin - January 2023
2023 BOY LONDON trademark application rejected for misleading consumers
ILO IP Newsletter (20230116)
2022 Supreme Court Reveals Requirements for Adopting Trademark Infringement Assessment
LEXOLOGY
2022 Supreme Court Reveals Requirements for Adopting Trademark Infringement Assessment
LEE & LI Bulletin - November 2022
2022 Parties may not submit new evidence during appeals of trademark cases before Supreme Administrative Court
Lexology、ILO IP Newsletter (20221121)
2022 No New Facts or Evidence Admissible During Trial of Supreme Administrative Court in Trademark Opposition
LEXOLOGY
2022 Supreme Administrative Court Reject Acquisition of Trademark Distinctiveness as Exception for Non-Registrability due to Misleading of Goods Origin
LEXOLOGY
2022 No New Facts or Evidence Admissible During Trial of Supreme Administrative Court in Trademark Opposition
LEE & LI Bulletin - July 2022
2022 Supreme Administrative Court Reject Acquisition of Trademark Distinctiveness as Exception for Non-Registrability due to Misleading of Goods Origin
LEE & LI Bulletin - September 2022
2022 Use of SEO to improperly display trademarks in search results violates Fair Trade Act
Lexology、ILO IP Newsletter (20220801)
2022 Use of Search Engine Optimization (SEO) Technology to Improperly Display Trademarks in Search Results so as to Mislead Consumers Violate Fair Trade Act
Lexology
2022 Use of Search Engine Optimization (SEO) Technology to Improperly Display Trademarks in Search Results so as to Mislead Consumers Violate Fair Trade Act
LEE & LI Bulletin - May 2022
2022 Intellectual Property and Commercial Court defines criteria for determining whether e-commerce platforms are liable for onlinesellers' trademark infringement
ILO IP Newsletter (20220606)
2022 Intellectual Property and Commercial Court Defines Criteria for Determining Whether E-commerce Platforms Liable for Online Sellers' Trademark Infringement
Lexology
2022 Intellectual Property and Commercial Court Defines Criteria for Determining Whether E-commerce Platforms Liable for Online Sellers' Trademark Infringement
LEE & LI Bulletin - March 2022
2022 Scope of protection for famous trademarks varies according to degree of fame
ILO IP Newsletter (20220509)
2022 Scope of protection for famous trademarks varies according to degree of fame
Lexology
2022 Any third party may file non-use revocation against trademark not used for three consecutive years
Lexology
2022 Any third party may file non-use revocation against trademark not used for three consecutive years
ILO IP Newsletter (20220502)

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