Patents

Case summaries and articles about  patents.

April 20, 2021
Canadian flag waving in front of the Parliament buildings in Ottawa.

Canadian Innovation Deserves Robust Roster of Canadian Patent Agents Registered Before the USPTO

This paper uses publicly available filing statistics and a professional survey in an attempt to gather empirical data on the work done by Canadian Patent Agents in the Canadian Intellectual Property Office (“CIPO”) versus the United States Patent and Trademark Office (“USPTO”).
March 26, 2021
Photograph of an oil and gas pump.

Federal Court Applies Its Own Claim Construction to Infringement Case

2021 FC 85: The Federal Court upheld the validity of all claims, but found that PetroChina was not infringing Maoz Betser-Zilevitch's patent for an SAGD.
March 3, 2021
Model of a human brain photographed in an anatomy lab.

A Closer Look: CAFC Finds Immersion Photography Claims Are Obvious

Fed Cir, 2019-1927: The CAFC overturned a finding of non-obviousness by the US Patent Trial and Appeal Board on a patent owned by Melanoscan, LLC.
February 1, 2021
Business person sitting a board room table in front of sunny window

Federal Court of Appeal Restricts Admissibility of Foreign Prosecution History

2021 FCA 7: The FCA narrowly interpreted section 53.1 of the Patent Act, refusing to look at a corresponding US application that was not named by number.
January 19, 2021

Quebec Court Finds New Drug Pricing Rules Tip Constitutional Scale

2020 QCCS 4541: Court held that forthcoming amendments to the Patented Medicines Regulations are unconstitutional and infringe on provincial powers.
December 2, 2020
Close-up photograph of a fountain pen writing words in ink on paper.

Written Description Particularly Important if Amending Claims in Response to Competitor

Fed. Cir. 2018-1779: A patent for testing fetal DNA was found to be unpatentable because the claims were not fully supported by the written description.
November 16, 2020
An orange backhoe on a construction site with mountains in the background.

Federal Court Finds Patent Obvious in Summary Judgment

2020 FC 997: In a summary judgement for patent impeachment, Canada's Federal Court found a patent for heating hydraulic booms to be invalid for obviousness.
November 2, 2020
Photograph of eyeglasses focusing on a computer screen displaying software code.

After Choueifaty: A New Test for Examining Software Inventions in Canada

Andrew Currier and Stephen Perry review best practices for drafting software patents to global standards and propose a new test for examining software inventions in Canada.
October 27, 2020
Photograph of a money jar spilling coins against white background.

FCA Upholds Largest Patent Infringement Award in Canadian History

2020 FCA 141: Court warns judges not to be "spooked" by the enormous sums that may be calculated in an accounting of profits for patent infringement.
October 5, 2020
Orange transport truck driving on a highway under a blue sky.

Federal Court Cannot Designate Standard-Essential Patents

T-1686-18: Canada's Federal Court has clarified that it does not have jurisdiction to designate Standard-Essential Patents.