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Yen-Chen Chen's legal practice covers a wide range of fields, with a primary focus on M&A and investments. She has represented clients in private placements, share swaps, joint ventures, and real estate investments that involve negotiating, counseling on related legal matters, and assisting with assessing or applying for regulatory approvals required by corresponding laws.

Yen-Chen also has experience advising issuers and underwriters on IPO projects by foreign enterprises in Taiwan, as well as in corporate governance, compliance, and general corporate matters. In addition, she has represented clients before Taiwan courts in disputes. She has worked with public and private companies from Taiwan and with multinational corporations in a variety of industries.


  • EnTie Bank to sell company to IBF Financial for $1.2 billionJones Day is advising EnTie Commercial Bank Co., Ltd. ("EnTie Bank") in its acquisition by IBF Financial Holdings Co., Ltd. ("IBF"), a financial holding company also based in Taipei, for about $1.2 billion.
  • Yulon Motor enters into $510 million strategic alliance and joint venture with Hon Hai Precision IndustryJones Day advised Yulon Motor Co., Ltd., a leading Taiwan-based automobile manufacturer, in forming a joint venture with Hon Hai Precision Industry Co., Ltd. in the electric automobiles business for over $510 million.
  • NVIDIA acquires Mellanox Technologies for approximately $7 billionJones Day advised NVIDIA Corporation in its acquisition of Mellanox Technologies, Ltd., an Israel-based leading supplier of end-to-end InfiniBand and Ethernet interconnect solutions and services for servers and storage.
  • Da Da Digital Convergence to acquire 65% interest in Trustee-Manager of Asian Pay Television TrustJones Day is advising Da Da Digital Convergence Co., Ltd., a Taiwan company controlled by Mr. Dai Yung Huei, the founder of Taiwan-listed Dafeng TV Ltd., in its acquisition of a 65% interest in the Trustee-Manager of Asian Pay Television Trust, the first listed business trust in Asia focused on pay-TV businesses.
  • World Fitness Services raises capitalJones Day represented World Fitness Services Limited, the owner and operator of the largest fitness center chain in Taiwan, in connection with its preferred financing placement to CDIB Capital.
  • Total sells Atotech to The Carlyle Group for $3.2 billionJones Day advised Total in the $3.2 billion sale of specialty chemical affiliate Atotech B.V., a global manufacturer of high technology plating solutions, to The Carlyle Group.
  • Hermes Microvision sold to ASML for NT$100 billion (US$3.1 billion)Jones Day advised Hermes Microvision, Inc. on its sale to ASML Holding NV (ASML: NASDAQ) in an all cash transaction valued at approximately NT$100 billion (US$3.1 billion).
  • Siliconware Precision defends against $1 billion unsolicited tender offer by Advanced Semiconductor EngineeringJones Day advised Siliconware Precision Industries Co., Ltd. (SPIL) in relation to an unsolicited tender offer by Advanced Semiconductor Engineering (ASE) for up to 25% of SPIL common shares and ADRs.