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Sui Yi Siong , Senior Associate

Sui Yi Siong

Senior Associate

Practice areas

  • Commercial litigation
  • Fraud and financial crime
  • Litigation and dispute management

Practice notes

Yi Siong is a Senior Associate in our Litigation and Dispute Management Team in Singapore. He handles both civil and criminal litigation, specializing in criminal defence litigation and prosecuting cases of professional misconduct in disciplinary hearings. In December 2016, Yi Siong was named by the Singapore Business Review as one of Singapore’s “Most Influential Lawyers aged 40 and under in 2016”.

Yi Siong also writes and comments on novel points of law, with a particular emphasis on criminal law and public law. In 2016, he was interviewed by Reuters and for his views on sub judice contempt of court; in March 2018, he appeared before the Parliamentary Select Committee on Deliberate Online Falsehoods to give oral evidence on possible measures to combat the spread of fake news.

Some of his recent case experience includes:

  • Appearing as Young Amicus Curiae in Cheong Wei Chang v Lee Hsien Loong [2019] 3 SLR 326, a High Court case involving the scope of a court’s inherent powers to restrain a vexatious litigant. At paragraph 14, the court said: “ … a Young Amicus Curiae, Mr Sui Yi Siong (“Mr Sui”), was appointed to assist the court and I thank Mr Sui for his most helpful assistance”.
  • Acting successfully for the Singapore Medical Council in bringing and defending the following High Court appeals: Wong Meng Hang v Singapore Medical Council [2019] 3 SLR 526; Chia Fong Lin v Singapore Medical Council [2017] 5 SLR 334; and Singapore Medical Council v Wong Him Choon [2016] 4 SLR 1086. Also acted for the Singapore Medical Council in Lam Kwok Tai Leslie v Singapore Medical Council [2017] 5 SLR 1168.
  • Acting for the accused in Chua Hock Soon James v Public Prosecutor [2017] 5 SLR 997, a case involving novel points of law regarding the legality of multi-level marketing and pyramid scheme.
  • Appearing before the Court of Appeal in 2016, Singapore’s apex court, as lead counsel on behalf of an indigent client regarding the exercise of judicial mercy, one of Singapore’s youngest lawyers to do so.

Some of his publications include:

  • “Trial Advocacy and Appellate Advocacy – As Different as Chalk and Cheese?”, Singapore Law Gazette (January 2019).
  • “Evaluating the statutory test for sub judice contempt in Singapore” (2017) 35 SingLRev 185.
  • “Corruption and Bribery” and “Death Penalty”, in Max Planck Encylopedia of Comparative Constitutional Law (Rainer Grote et al eds) (Oxford University Press, 2017). Co-authored with Associate Professor Chen Siyuan o9f Singapore Management University
  • “Sub judice contempt in Singapore and the way forward” (2014) 32 SingLRev 121.

Yi Siong served as a Council member of the Law Society of Singapore from January 2017 to December 2018. During the course of his 2-year term, he was described by Law Society President Gregory Vijayendran SC as having “played a vital role in drafting law reform papers for Council” (President’s Message, Singapore Law Gazette, August 2018). At the conclusion of his term on Council, Law Society CEO Delphine Loo Tan expressed the Law Society’s “deepest appreciation … for his tireless and dedicated service to the work of the Law Society” (CEO’s Message, Singapore Law Gazette, January 2019). Yi Siong was also lauded for being “pivotal in submitting the Law Society’s feedback on amendments to the Penal Code by pulling together different comments from our members and making the feedback a cogent, coherent whole”.

Yi Siong graduated magna cum laude from Singapore Management University in 2014, and was admitted as an Advocate & Solicitor of the Supreme Court of Singapore in 2015. He is also an international moot court coach with his alma mater, having coached teams for the Price Media Law Moot Court Competition in Oxford, UK, and Red Cross International Humanitarian Law Moot in Hong Kong. As an undergraduate, he was 4th Best Oralist at the 2013 Price Moot, and Best Oralist of the 2014 Red Cross Moot.