Vincent K. P. Sum

Vincent has been ranked as a leading individual in Capital Markets: Derivatives & Structured Products and Securitisation in Chambers Greater China Region (2022-2024), Chambers Asia Pacific (2013-2021) and Chambers Global (2013-2024). He was accredited as a recommended lawyer in Structured Finance and Securitisation (Hong Kong) in The Legal 500 Asia Pacific (2013-2024) and a highly regarded/leading Lawyer in both Capital Markets: Derivatives and Capital Markets: Structured Finance and Securitisation (Hong Kong) in IFLR1000 (2013-2024). Clients told IFLR 1000 (2021) that “Vincent Sum provides practical advice which really adds value to the organisation.” and “Vincent was very strong at providing practical cost effective legal solutions.”.

US Court Internship

Law Intern for the late Honourable Leonard Sand, a Senior United States Federal Court Judge of the United States District Court, Southern District of New York

• A pan-Asian investment group on its investment in the redeemable convertible bonds issued by a listed PRC pharmaceutical company.
• A global investment fund, as investor, in a pre-IPO investment in the shares of a major pre-IPO PRC state owned enterprise.
  
• Issuers on various bond issuance transactions involving the use of proceeds through the QDII regime.
• Weland and Welab as sponsor and originator on an asset-backed loans transaction with respect to warehouse financing, backed by portfolios of consumer loans.  
• China Overseas Land and Investments as sponsor, originator, and issuer in respect of series of ABS collateralized by trade receivables.
• RBS on a whole company securitisation involving a Japanese medical group.
• Core Pacific Yamaichi International as sponsor on an ABS CLO transaction involving loan portfolios. 
• A subsidiary of Huarong Investment Stock Corporation Limited on the subscription of HK$423 million, 8-percent extendable senior secured bonds, due 2018, issued by Brighten Path Limited.
• An investment management company on certain RQFII Hong Kong retail funds.
• An international investment bank in respect of fund derivatives and Hong Kong retail investment fund transactions and on various Hong Kong retail fund updates.
• A China-based investment company in relation to cross-border issuances of debt and structured instruments, including: 
  • the issuance of US$500 million zero coupon convertible bonds governed by New York Law, listed on the Singapore Stock Exchange
  • restructuring of existing bond transactions of a Shanghai based company and the solicitation for consents from bondholders to amend the various bond documents
  • the issuance of US$700 million Rule 144A bonds by a US-based investment company governed by New York law, listed on the Singapore Stock Exchange
• An international investment bank on derivative transactions involving New York, Hong Kong and English law as well as issues arising under PRC law.
• Multiple investment banks on corporate derivative transactions with respect to the floating requirements under the HKSE listing rules.
• Various banks and investment managers on commodity derivatives involving both hard and soft commodities.
• Multiple investment banks on numerous structured finance transactions secured by corporate debt securities, high-yield debt securities and mortgage-backed securities.
• An international bank and a financial services corporation on US securities regulations relating to the sale of fund units to investors in the US.
• Taiwan-based entities of a bank on: 
  • various fund of funds, structured funds and
  • the listing of four exchange-traded funds (ETFs) tracking various Taiwan equity indexes on the Hong Kong Stock Exchange - the first batch of existing Taiwan Stock Exchange-listed funds that will be listed on the HKSE.
• An Indonesian issuer in respect of the offerings of multiple series of exchangeable bonds.
• A Singapore real estate developer as issuer’s counsel on a cross-border debt issuance.
• A New York-based bank as trustee in respect of various global bond offerings.
• A Hong Kong-listed investment manager regarding various structured fund transactions.

• Leading Individual - China, Capital Markets: Derivatives & Structured Products (International Firms) – Chambers Global (2013-2024)
• Leading Lawyer - Hong Kong, Capital Markets: Structured Finance and Securitisation – IFLR1000 (2013-2017)
• “Vincent Sum is very skilled at handling complex structured product and derivatives matters. He has very good commercial awareness and offers counselling beyond the legal scope. “ – The Legal 500 Asia Pacific (2025)
• Leading Lawyer - Hong Kong, Capital Markets: Derivatives – IFLR1000 (2013-2017)
• "Vincent provides superior attention and legal counsel to his clients and often went well beyond the legal scope." – Chambers Global (2024)
• "Vincent is a very good lawyer; our team likes to work with him. He's got great quality and is very approachable and commercial, as well as very hands-on." – Chambers Greater China Region (2023)
• "Vincent Sum of Mayer Brown's Hong Kong office continues to advise on structured note transactions, as well as securitisation mandates. Recent work includes asset-backed lending mandates and derivatives clearing advice." – Chambers Greater China Region (2023)
• "Vincent Sum is able to cover both US and Hong Kong deals making the process much more efficient." – The Legal 500 Asia Pacific (2022)
• "Vincent Sum is focused on fostering strong long-term client relationships."– The Legal 500 Asia Pacific (2022)
• "[R]eally smart guy who knows the law well." – Chambers Asia Pacific (2021)
• "What drives me in particular to Vincent for legal advice is that he is very commercially aware, really knows the market well and can come up with innovative ideas and solutions." – Chambers Asia Pacific (2021)
• “Vincent Sum provides practical advice which really adds value to the organisation,” and “Vincent was very strong at providing practical cost effective legal solutions.” – IFLR 1000 (2021)
• "He's good in the true-blue derivatives and the structured notes space, with a real strength in derivatives.” – Chambers Asia Pacific (2020)
• "Vincent has expertise in derivatives and can practise New York law, English law and Hong Kong law, so he can provide multi-jurisdictional opinions and advice. His work quality is very impressive and I find him to be very reliable." – Chambers Asia Pacific (2019)