UK court reaffirms its stringent plausibility standard in AstraZeneca despite G 2/21 By Annsley Merelle Ward on Friday, May 09, 2025 #IPKat AstraZeneca epc G 2/21 Michael Tappin QC patent litigation plausibility SPC sufficiency Teva UK +
Abrasive outcome on over-broad ranges for 3M in Saint-Gobain dispute re-emphasizes importance of narrow dependent claims By Annsley Merelle Ward on Monday, October 24, 2022 3M amendment AmeriKat halliburton insufficiency Michael Tappin QC patent validity ranges undue burden +