Patent Drafting

October 11, 2019
Close up photo of an automotive hub cap and tire of a car.

Automotive Patent Overturned As “Monstrous” §101 Grows Another Head

CAFC 2018-1763 – In fiercely dissented decision, a top US court has invalidated an automotive patent, further extending the reach of the controversial §101.
September 20, 2019
Macro (close-up) photo of a hazel coloured human eye, eyelashes, and eyelid.

Allergan’s Glaucoma Patents Saved by “Wherein” Clauses

CAFC 2018-2207 – The US Court of Appeals for the Federal Circuit ruled that “wherein” clauses in patent claims can be limiting if they are material to patentability.
September 13, 2019
Fibre optic cable photographed in the dark

Patent Specification Interpreted as Admission of Common General Knowledge

2019 FC 1065 – Canada's Federal Court ruled that two fiber optics patents were obvious in light of an admission made in the background sections.
June 30, 2017

Canada’s Supreme Court Abolishes Controversial “Promise Doctrine”

2017 SCC 36 - The Supreme Court of Canada struck down the “promise doctrine” of Canadian patent law in favour of merely requiring a single use related to the nature of the subject-matter of the invention having a scintilla of utility.