The growing trend of Delegate-raised invalidity grounds in Australian patent oppositions By Dr Claire Gregg on Monday, July 13, 2026 #patents Australia Claire Gregg oppositions OzKat +
UKIPO applies SkyKick in Unite the Union opposition By Oliver Fairhurst on Friday, May 02, 2025 bad faith O/0369/25 Oliver Fairhurst oppositions SkyKick trade marks UKIPO +
Grizzled grandpas and tests for inventive step: the shifting sands of patents in Europe By Jeremy on Sunday, August 05, 2012 European patent law and practice inventive step Jeremy Phillips oppositions problem-solution approach +