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Derrick Oon

Derrick Oon

Founding Partner



Areas of Practice:


Having graduated with a Bachelor of Laws (LLB) (Hons) from the Multimedia University, Derrick read in the chambers of Messrs. Cheah Teh & Su under the tutelage of Justice Su Tiang Joo, who now serves as a High Court Judge of the Kuala Lumpur High Court.

Before co-founding Nazreen Oon & Partners in 2018, Derrick honed his skills at a boutique civil litigation firm, where he worked closely with esteemed senior counsels. Subsequently, he was headhunted to be the Group Head of Legal in a global e-Commerce company. Concomitantly, he was also appointed as the General Counsel for an ultimate holding company that operates a chain of international schools – on an ad hoc basis.

Derrick heads the firm’s Litigation and Employment Practice, extending across a wide range of areas, with a particular emphasis on civil, commercial and employment law. His expertise covers both contentious and non-contentious matters where he has represented a broad range of clients at all stages of court proceedings and arbitration. Derrick works with clients from a wide range of industries, including property developers, manufacturers, foreign state-owned companies and suppliers.

Apart from his litigation and arbitration practice, Derrick also acts as a legal adviser to multinational corporations (MNCs) and public-listed companies. His expertise in labour and human resources law has led him to provide trainings on labour and human resources law to various corporate clients.

Notable Matters

  • Acted for a developer in defending a claim for consultancy fees in the sum of RM1.7 million and succeeded at the Federal Court.
  • Acted for a developer on the interpretation of a Performance Guarantee in the sum for RM7.8 million against the guarantors of the main contractor and succeeded at the Court of Appeal.
  • Acted for a reputable 5-star hotel in defending a claim of more than RM20 million in arbitration.
  • Acted for a developer in defending claims by its contractors in adjudication.
  • Acted for a local listed company in defending a claim for breach of contract.
  • Acted for a Myanmar financial institution in claim for breach of contract and succeeded at the High Court.
  • Acted for a company in opposing a winding up petition and succeeded at the High Court.
  • Representing a developer in arbitration for a claim of RM9 million.
  • Representing a developer in a construction suit for breach of contract amounting to RM8 million.
  • Representing a well-known local electronic breast pump seller in a defamation suit for a claim of more than RM1 million.
  • Representing a high net-worth individual in numerous legal suits for breach of trust involving more than 15 properties.
  • Representing a local logistics company in numerous appeals at the High Court on the interpretation of the provisions the Minimum Wages Order.
  • Acted for a well-known manufacturer and supplier of electronic breast pump products based in China in numerous legal suits.
  • Representing sub-contractors and main contractors in adjudication proceedings involving non-payment of claims in construction projects.
  • Successfully completed a complex sale and purchase transaction of a factory plus its business and assets which worth more than RM10 million.
  • Completed a licensing agreement which involves a licensing deal with one of the most popular yogurt drinks in Malaysia and Australia/China.
  • Advised and negotiated a Supply Agreement – Renewable Energy with a reputable company that manufactures latex gloves and a public listed company.
  • Advised an investment holding company which comprises of local shareholders and shareholders from China in carrying out several Equity Crowdfunding (ECF) projects on a 6,500 acres of land collectively owned by them.
  • Advised on an investment deal involving RM5 million.
  • Drafted and advised on licensing deal involving a well-known music centre.
  • Advised and drafted several manufacturing agreements and service supply agreement.
  • Advised and drafted a sale and purchase of glove equipment agreement involving a sum of RM5 million.
  • Advised and drafted a shareholders and share subscription agreement involving a sum of RM2 million.
  • Advised and drafted a distribution agreement of a well known brand that supplies electronic breast pump between Malaysia and Singapore.
  • Advised a Joint Venture between a local company and a China company involving the production of electronic breast pumps.
  • Advised and drafted a licensing agreement involving a well known Indonesian cuisine food in Malaysia and Singapore.
  • Representing various corporate clients (including multinational companies) in unfair dismissal claims filed by former employees.
  • Advising a multinational commissioning and project management company on disciplinary procedure for an employee alleged to be involved in misconduct (eg: insubordination).
  • Acted for a multinational patisserie company on terminating an employee alleged to be involved in gross misconduct (eg: theft, fraud).
  • Advising various corporate clients, including a multinational plastic manufacturer, a frozen food manufacturer/retailer group of companies and local start-ups on Malaysian employment law and preparing employment contracts, handbooks for their workforce in Malaysia.
  • ALB SE Asia Law Awards 2024 - Young Lawyer of the Year
  • Leading Adviser Awards 2023 – Leading Corporate & Commercial Litigator of the Year – Malaysia
  • Global Law Experts & Global Advisory Experts Awards 2023 – Dispute Resolution Law Firm of the Year in Malaysia (The Profile of Derrick Oon was published)
  • APAC Insider Legal Awards – Best Dispute Resolution Law Firm 2023 Malaysia
  • APAC Insider Legal Awards – Best Emerging Dispute Resolution Law Firm 2023 Malaysia

Publications and Talks

Invited as the featured speaker:

Invited as guest judge and arbitrator in the following competitions: