Justice Dedar Singh Gill was appointed Judicial Commissioner of the Supreme Court on 1 August 2018 and High Court Judge on 1 August 2020.

Prior to his judicial appointments, Justice Gill held the position of Managing Director of the Intellectual Property Department at Messrs. Drew and Napier LLC. He had appeared as counsel before the High Court and Court of Appeal for major corporate clients and had established a considerable reputation for his expertise and experience in intellectual property law.

Justice Gill was appointed by Chief Justice Sundaresh Menon to manage the Intellectual Property (IP) list of the High Court and implement the recommendations submitted by the IP Dispute Resolution Framework Review Committee to review the Intellectual Property dispute resolution system in Singapore.

Justice Gill was appointed as a member of the WIPO Advisory Board of Judges for the 2023-2024 term.