Next Generation Partners

Firms To Watch: Antitrust and competition

Lee, Tsai & Partners is experienced in a range of domestic and international matters, working with high-profile corporate clients on issues of antitrust, monopolies, anti-competitive behaviour, and merger filings – both in Taiwan and the PRC.

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Antitrust and competition in Taiwan

Baker McKenzie

Baker McKenzie’s antitrust and competition desk is a regular port of call for various Taiwanese and multinational companies seeking assistance with merger clearances, antitrust compliance strategies, and administrative appeals. Cross-border antitrust investigations are also a core competency. Practice head Sonya Hsu is a highly experienced litigator who routinely represents clients in a range of contentious matters, including multi-jurisdictional commercial disputes, cartel investigations, and abuse of dominance matters. Fang-Yi Jen is noted for her capabilities in international merger control and precedent-setting leniency applications, as well as her expertise in Fair Trade Law.  All named lawyers are based in Taipei.

Practice head(s):

Sonya Hsu; Fang-Yi Jen


The attorneys are experienced in the merger filing process, and they had good collaboration with other local law firms.’

Sonya Hsu was able to convey the complicated information clearly, and was always ready to address our concern whenever we called her.’

Key clients

Sumitomo Corporation of America

Lite-On Technology Corporation

Hitachi, Ltd.

Marubeni Corporation

ASE Technology Holding Co., Ltd.

Ordu Yardimlasma Kurumu

Nuvoton Technology Corporation

Fubon Financial Holding Co., Ltd.

Work highlights

  • Represented Hitachi in a pre-merger notification before the Fair Trade Commission in a major transaction.
  • Represented ASE Technology Holding Co., Ltd. in a pre-merger notification before the Taiwan Fair Trade Commission for its acquisition of Asteelflash Group.
  • Represented Fubon Financial Holding Co., Ltd. in a pre-merger notification before the Taiwan Fair Trade Commission for its acquisition of more than 50% of the shareholdings of Jih Sun Financial Holding Co.

Formosan Brothers Attorneys at Law

A number of leading global and domestic companies turn to Formosan Brothers Attorneys at Law for assistance on Fair Trade Commission (FTC) negotiations, settlement deals, and strategies to avoid future potential legal conflicts with Taiwanese authorities. Registered patent agent Chiu-Hua Chen routinely handles high-value class actions and sanction mitigation efforts for the firm’s East Asian client base. The dual-qualified (Taiwan and US) Yow-Lun Su works on various unfair competition claims and antitrust violations for multinational companies in tech and automotive production. Jeffrey Hung is noted for his representation of Taiwanese and foreign-listed companies in administrative remedy procedures against the FTC. All named lawyers are based in Taipei.

Other key lawyers:

Yow-Lun Su; Jeffrey Hung

Lin & Partners Attorneys-At-Law

Lin & Partners Attorneys-At-Law is experienced in merger reviews and international competition investigations, routinely assisting clients with pre-merger notifications, substantive defence of transactions, government investigations, antitrust audits and general compliance concerns. Drawing on the experience gained as a senior official at the fair trade commission, Alex Liu specialises in business combination filings, competition clearance, and cross-border transactions involving some of the world’s biggest multinationals.

Practice head(s):

George Lin; Alex Liu

Tsar & Tsai Law Firm

Working with a multitude of multinationals and Taiwan-listed companies, the competition and antitrust team at Tsar & Tsai Law Firm handles an array of technical mandates, including merger filings, cartel investigations, vertical restraints, and disputes before government agencies and the Supreme Administrative Court. Former FTC officer Matt Liu draws on his deep competition expertise, representing clients seeking merger clearance and leniency in high-profile cartel investigations. Vincent Wang is a seasoned trial lawyer recommended for his skill in public company disputes. Yichu Chen specialises in obtaining merger clearance for major Japanese-Taiwanese transactions. All named lawyers are based in Taipei.

Practice head(s):

Jennifer Lin; Matt Liu

Other key lawyers:

Vincent Wang ; Yichu Chen


‘Work diligently and produce great results.’

Key clients

Nippon Steel Corporation

IHS Markit Ltd.

Carrefour SA

Astra Zeneca

Mylan INc.

Panasonic Corporation

HP Inc.

Navistar International Corp.

Tiffany & Co.

Maxim Integrated

Work highlights

  • Successfully secured antitrust clearance for joint operation of the business and assets by leading Japanese companies, including Nippon Steel Corporation and Sumitomo Corporation.
  • Successfully assisted IHS Markit Ltd. to secure antitrust clearance for its acquisition by S&P Global Inc.
  • Successfully assisted Carrefour to obtain antitrust clearance for its acquisition of the leading Taiwanese supermarket retailer Wellcome Taiwan and its premier market banner Jasons Market Place.