“Matthew has excellent technical skills … he has a great ability to solve legal problems for commercial clients with a creative and sensitive application of substantive law and procedural rules, applied effectively to the commercial circumstances of the case.”
Legal 500 Asia-Pacific 2026, Commercial Disputes — Rising Star

Matthew is a Charles Ching Scholar. Matthew is developing a broad civil practice across the full range of commercial litigation, international arbitration and advisory work. He is comfortable being instructed as part of a counsel team or in his own right, and has appeared unled in the Court of Appeal and the Court of First Instance.

Matthew is regularly instructed to act in high-stakes commercial arbitrations administered by major arbitral institutions, including ICC, HKIAC, SIAC and CIETAC (HK). He also advises on investment treaty claims.

Matthew read law in Hong Kong and Chinese Mainland and holds a Master of Laws degree in PRC Civil and Commercial Law from Peking University. He currently serves in the Standing Committee on Mainland Affairs and the Committee on Arbitration of HKBA.

Recent notable instructions include: having acted (as sole advocate) for a private equity fund in its successful application for Mareva injunction (freezing order) involving a 9-figure sum in USD, and having acted for the founder in his successful application for interim injunction restraining the investor-shareholder from stripping him of management rights under the shareholders agreement (led by Queenie Lau SC and with Xizhen Wang), both in HKIAC emergency arbitrator proceedings.

“孙晧邦大律师拥有出色的专业技能，包括法律研究、法律分析、高质量的文书撰写以及优秀的书面和口头讼辩能力 …… 他能够以富有创意和敏锐的方式运用实体法和程序规则，有效应用于案件的商业背景，为商业客户解决法律问题的能力出众。”
《法律500强》（2026年大中华区榜单：商事纠纷—香港大律师后起之秀）

孙晧邦大律师全面开展民商事法律业务，执业范围涵盖商事诉讼、仲裁代理及提供法律咨询等各民商事专业领域。孙大律师在高等法院（上诉法庭和原讼法庭）、区域法院和仲裁庭均有独立出庭的经验。孙大律师在接受客户委聘时，可根据案件需求灵活采取独任代理或团队协作模式。

在国际仲裁领域，孙大律师经常受客户委托，代理参与不同仲裁机构管理的商事仲裁，包括国际商会（ICC）、香港国际仲裁中心（HKIAC）、新加坡国际仲裁中心（SIAC）、中国国际经济贸易仲裁委员会香港仲裁中心（CIETAC (HK) （贸仲香港分会））和上海国际经济贸易仲裁委员会（SHIAC）的机构仲裁。 孙大律师亦就国际投资争端提供法律咨询服务。

孙大律师具有中国内地与香港双重法律教育背景，获北京大学法学硕士学位。孙大律师于2022年正式取得香港大律师执业资格，并在同年获香港大律师公会颁发“沈澄纪念奖学金”。孙大律师现任香港大律师公会内地事务常务委员会委员及仲裁事务委员会委员。

孙大律师近期代表性案件包括：在HKIAC紧急仲裁员程序中，独任代理某私募股权基金成功申请资产冻结令，涉案金额达九位数美元；以及代理创始人成功申请临时禁令，禁止投资人股东依据《股东协议》暂停其治理权（与刘恩沛资深大律师和王希真大律师共同代理）。

• LLM, Peking University
• PCLL (Dist), The Chinese University of Hong Kong
• LLB, The Chinese University of Hong Kong
• HKIAC Tribunal Secretary Training Programme (May 2022)
• SCIA & SCIAHK Dual Qualification Tribunal Secretary Training Program (November 2023)
• ICC Institute Training for Tribunal Secretaries (June 2025)
• The Hague Academy of International Law’s Advanced Course in Hong Kong (1st edition, December 2023)

• Hong Kong Bar Association – Charles Ching Memorial Scholarship (2022)
• Peking University Taiwan, Macao, Hong Kong & Overseas Students Scholarship (2021)
• PCLL Dean’s Letter of Distinction (2019)
• PCLL Distinguished Scholarship (2018)
• Willem C Vis International Commercial Arbitration Moot, Vienna, Honourable Mention for Martin Domke Award for Individual Oralists (2018)
• Willem C Vis International Commercial Arbitration Moot, Vienna, Honourable Mention for Eric E. Bergsten Award for Team Orals (2018) – ranked 2nd (with his co-counsel) out of 357 teams in general rounds
• Chung Chi College Head’s List (2014)
• Chung Chi College Class Scholarship (2014)
• CUHK Golden Jubilee (Mr. Walter Liu) Scholarship (2013)
• Yasumoto International Exchange Scholarship (2015)
• Global Exchange Scholarship (Faculty of Law) (2013)

• Member, Committee on Arbitration, Hong Kong Bar Association (2023-)
• Member, Standing Committee on Mainland Affairs, Hong Kong Bar Association (2024-)
• Member, Standing Committee on International Practice, Hong Kong Bar Association (2025-)
• Faculty List of Part-time Teachers, The Chinese University of Hong Kong, Faculty of Law (2025-)

INTERNATIONAL ARBITRATION AND RELATED COURT PROCEEDINGS

Representing claimants/respondents in applications for leave to enforce arbitral awards, applications to set aside leave to enforce arbitral awards and applications for stay of proceedings in favour of arbitration:

• XX, YY & Ors v ZZ [2025] 4 HKLRD 301, [2025] HKCFI 3089 – acted for the corporate vehicle of an Australia-based equity firm (in arbitration) in a jurisdictional dispute involving indemnity claims in the context of failure to perform a M&A put option (with Adrian Lai)

• ZS Capital Fund Spc & Ors v Astor Asset Management 3 Ltd & Anor [2023] 3 HKC 512, [2023] HKCFI 1047 – acted for the Plaintiffs in their application for the uplift of the stay of proceedings under s 20 of the Arbitration Ordinance (Cap. 609) on the ground that the arbitration agreement was spent (notwithstanding that the Defendants’ application to set aside the arbitral awards was pending before Jamaican court)(with Richard Yip)

• V v M [2026] HKCFI 1530: acted for the award debtor applying to set aside enforcement order of an arbitral award on the basis of (inter alia) the suggested lack of reasons in the arbitral award (as sole counsel)

• HCB 7839/2023 – acted for the Debtor in his successful application for a stay of the bankruptcy petition (involving a disputed debt of RMB248 million) in favour of arbitration at the Shanghai International Arbitration Center (with Anson Wong Yu Yat)

• HKIAC Administered Arbitration (Seat: Hong Kong SAR) – acted for a PRC-based target company engaged in the R&D of e-cigarettes products (and other individual indemnifiers) in an application for a stay of proceedings brought by its investor on the grounds of failure to comply with pre-arbitration steps (as sole counsel)

• CIETAC Arbitration (Seat: Hong Kong SAR) – acted for a Chinese State-owned seller in its application for the joinder of a Kazakhstan party alleged to be the “true principal” of an UAE-incorporated signatory under a CISG-governed contract (as sole counsel)

• regularly instructed to provide written advice on the merits of the potential claims intended to be funded by an international third party funder

INVESTOR-STATE PROCEEDINGS

• advising an enterprise in contemplation of an investment treaty claim against a sovereign State after being ordered to close its operation in that State (as part of a team)

• part of a legal team that has acted for the host State in defence of two investors’ claims (prior to joining the Bar)

INTERLOCUTORY / EMERGENCY RELIEF

• HKIAC Administered Arbitration (Seat: Hong Kong SAR) – acted for the Claimant in its successful application for freezing injunction in emergency arbitrator proceedings involving a 9-figure sum in USD (as sole counsel)

• HKIAC Administered Arbitration (Seat: Hong Kong SAR) – acted for the Claimants in their successful application for emergency relief restraining the investor-shareholder from stripping the founder of management rights (led by Queenie Lau SC and with Xizhen Wang)

• Oasis Kindergarten Ltd v Kowloon Tong Baptist Church, HCA 684/2019 (ex tempore decision on 08.07.2022) – acted for the Defendant in the Plaintiff’s application for interim-interim injunction before the Summons Judge, which application was dismissed with costs (with Richard Yip)

• Avia Trust Ltd v My Gold in Australia Ltd, HCA 914/2022 (ex tempore decision on 03.11.2022) – acted for the 2nd Defendant in resisting the Plaintiff’s application for interim-interim Mareva injunction and continuation of Mareva injunction in the context of resisting a common law derivative action (with Richard Yip)

• My Beauty Salon Co., Ltd v Lum Shuk Mei, DCCJ 2280/2025 (ex tempore decision on 6.6.2025) – acted for the Plaintiff in its successful application interim-interim injunction to enforce the non-solicitation, non-compete and confidentiality clauses against an ex-employee (as sole counsel)

SHAREHOLDERS DISPUTES

• HKIAC Administered Arbitration (Seat: Hong Kong SAR) – acted the management members in a shareholders dispute who successfully defended claims of wrongdoings made against them (with Richard Yip at trial, and formerly led by Alexander Gunning KC of One Essex Court) and the interlocutory application for peremptory orders made under section 53(3) of the Arbitration Ordinance (Cap. 609)(as sole counsel)

• Defond Electrical Industries Ltd v. Registrar of Companies & Ors [2025] HKCFI 4465 – acted for an equal owner of a corporate group in resisting an application for declaration as to the validity of his removal from directorship in which difficult points of PRC law of whether a Mainland company’s board had the requisite authority to pass resolution to remove its Hong Kong subsidiary’s director (led by Anthony HK Chan SC and with Anson Wong Yu Yat)

• Re Le Grand Silverjoy Ltd (HCMP 1108/2023) – acting for a camp of majority shareholders in a company operating a Residential Care Home for the Elderly in resisting an unfair prejudice petition (as sole counsel)

MERGER & ACQUISITION (M&A) DISPUTES / PUT OPTIONS

• HKIAC Administered Arbitrations (Seat: Hong Kong SAR) – acting for corporate and individual respondents in a contractual dispute arising out of the transfer of interest in an exempted liability partnership registered under Cayman Islands law (led by Alex Potts KC of 4 Pump Court)

• HKIAC Administered Arbitration (Seat: Hong Kong SAR) – a claim for the return of purchase price under a share purchase agreement  purportedly rescinded by a major Internet conglomerate on the purported basis of allegedly falsified financial data and misrepresentation (as sole counsel)

• HKIAC Administered Arbitrations (Seat: Hong Kong SAR) – a claim for a very substantial sum of purchase price (c. US$100m) upon the exercise of put options by a private equity firm in two arbitrations heard together pursuant to Article 30 of HKIAC Rules 2018 (as co-counsel)

• HKIAC Administered Arbitrations (Seat: Hong Kong SAR) – a claim for purchase price under an exercised put option and for indemnity by onshore subsidiaries involving a substantial sum (c. US$20m)(as co-counsel)

• HKIAC Administered Arbitrations (consolidated)(Seat: Hong Kong SAR) – defending a claim for declaration of non-liability for payment of the repurchase price (c. US$70m) upon the investor’s exercise of a put option and to prosecute its claim against the operating subsidiaries for indemnification for the non-performance of the put option (as co-counsel)

• HKIAC Administered Arbitrations (Seat: Hong Kong SAR) – acting for a leading private equity firm in China in a very substantial claim for payment of 9-figure USD put option price and for indemnification by the onshore operating subsidiaries for the non-performance of the put option (as co-counsel)

• HKIAC Administered Arbitration (Seat: Hong Kong SAR) – acting for a Nasdaq-listed Cayman company and its founder (operating substantive business in Chinese Mainland) in resisting claims for reliefs on the basis of an alleged breach of contractual obligation to take steps to convert its ordinary shares into “American Depository Shares” (as sole counsel)

COMMERCIAL / CONTRACTS

• SIAC Arbitration (Seat: Singapore) – successfully defended a claim for purchase price (of more than USD 8.5million) under a contract of sale of goods governed by the UN Convention on Contracts for the International Sale of Goods (CISG) featuring agency issues under PRC Contract Law (as co-counsel with PRC lawyers)

• HKIAC Administered Arbitration (Seat: Hong Kong SAR) – a claim for the recovery of a security deposit against an aviation general sales agent (led by Hectar Pun SC and with Richard Yip)

• SHIAC Arbitration (Seat: Shanghai) – acted for a high net worth individual in his a claim for declaration of non-liability involving a very substantial sum (c. RMB1.2 billion) under a PRC law-governed guarantee (as co-counsel with PRC lawyers)

LAND

• 許世傑 v 許雪娥 (CACV 244/2024) – appeared for the Plaintiff in his appeal against DHCJ J Wong’s judgment dismissing his claim for common intention constructive trust and granting the Defendant’s counterclaim for vacant possession and mense profits (as sole counsel).