The emergence of “relevant ranges” and retroactive insufficiency in Australia and the UK

The OzKat - golden fromthe southern hemisphere sun -is trying to work out what is going on with rangesThe concept of “relevant ranges”, discussed by the UK Supreme Court in Regeneron Pharmaceuticals Inc v Kymab Ltd [2020] UKSC 27 (Regeneron) and reinforced in Illumina Cambridge Ltd v Latvia MGI Tech SIA & Ors [2021] EWHC 57 (Pat) (Illumina), has recently emerged as a