The emergence of “relevant ranges” and retroactive insufficiency in Australia and the UK By Annsley Merelle Ward at Thursday, September 25, 2025 #IPKat Australia Claire Gregg Federal Court of Australia Guest post Illumnia insufficiency Jusand ranges Regeneron relevant ranges retroactive insufficiency +
To infinity and beyond! The sufficiency requirements for open-ended ranges (T 1977/22) By Dr Rose Hughes at Tuesday, March 04, 2025 epo patents PatKat ranges Rose Hughes selection inventions sub-ranges sufficiency +
Abrasive outcome on over-broad ranges for 3M in Saint-Gobain dispute re-emphasizes importance of narrow dependent claims By Annsley Merelle Ward at Monday, October 24, 2022 3M amendment AmeriKat halliburton insufficiency Michael Tappin QC patent validity ranges undue burden +