Sharing isn’t always caring: The High Court clarifies honest concurrent use defence By Georgina Hey (AU) & Isobel Taylor (AU) on June 1, 2026 This article was co-authored with Samantha Stone. On 13 May 2026, the High Court of Australia handed down its unanimous decision in Zip Co Limited & Anor v Firstmac Limited [2026] HCA 16, settling the law on the defence…