Jin Ooi
Overview
Jin Ooi has an impressive ability to be across every detail of multifaceted litigation, whilst being hugely responsive. Not only is he a very strong UK patent litigator, but he is also maestro in coordinating the litigation streams across Europe.” - Chambers UK, 2024
Jin Ooi is an intellectual property litigator in the London office of Kirkland & Ellis International LLP. He is experienced in patent litigation and counselling (including on complex damages inquiries) mainly in the pharmaceutical and life sciences field (second medical use, biosimilars, small molecules, DNA sequencing, vaccines, transgenic animal platforms for antibody discovery), and in the FMCG and consumer products sector (shaving razors, potentially reduced-risk products including tobacco heating and vapour products, dishwashing tablets, coffee pods and capsules).
He is also experienced in litigating and arbitrating trade secrets disputes in the medical devices (bone cements), tech (LNG carriers) and aviation sector (airplane components, airport businesses), in addition to handling antitrust claims (cathode ray tubes, lithium ion batteries, forklift gas).
His clients have included Pfizer, Viatris, Astellas, Novartis, Regeneron, British American Tobacco, Samsung, Biomet and Procter & Gamble. Jin’s cases are often multi-jurisdictional requiring significant cross-border coordination across multiple forums.
Jin is recognised as a Next Generation Partner in both “Intellectual Property: Patents” and “Life Sciences and Healthcare” in the 2021–2024 editions of The Legal 500 UK. With a “keen intellect and considerable knowledge” and noted as a “powerhouse” and “a deep and strategic thinker”, Jin “is renowned for his ability to master knotty issues and has famed round-the-clock responsiveness”, in addition to having “an extremely sharp eye for detail and a wonderful ability to connect points in a case.” A “sharp strategist”, he “has a nose for a good point” and “he is full of good ideas.”
- The Legal 500 UK (2024) noted: “Jin Ooi is extremely impressive and has a laser sharp focus when it comes to patent litigation. One of the most brilliant lawyers we have ever worked with.”
- Chambers UK (2024) noted: “Jin Ooi has an impressive ability to be across every detail of multifaceted litigation, whilst being hugely responsive. Not only is he a very strong UK patent litigator, but he is also maestro in coordinating the litigation streams across Europe. … He has a phenomenal memory and is able to deploy his level of knowledge with absolute precision.”
- JUVE Patent (2022) named him as “one to watch” in UK patent litigation: an “all-rounder”, Jin “stands out for the technical diversity of his cases, from pharmaceuticals to mobile communications to e-cigarettes - as well as his hard work and tenacity.”
- IAM Patent 1000 (2024) noted: “Jin Ooi is another of the set’s seasoned litigators who comes in for high praise: “Jin is an incredibly bright lawyer with a sharp legal mind who works efficiently in high-pressure situations and never loses sight of the customer’s commercial needs. He immediately grasps the essence of the problem in front of him to provide excellent guidance, and is responsive around the clock.” He performs particularly well when faced with intricate legal problems and has worked … in an incredibly complex liability and quantum trial in which they secured an overwhelmingly positive result for the company.”
Prior to joining Kirkland, Jin worked at Allen & Overy LLP in London and before that Corrs Chambers Westgarth in Sydney. In recognition of his work in Australia, Jin was among a select few young lawyers awarded the 2014 Lawyers Weekly 30 Under 30 Awards, and a finalist in two categories in the 2015 Awards. His dual qualifications in law (1st class degree) and pharmacology give him a special insight into, and understanding of, his clients’ legal needs and commercial and regulatory imperatives.