Prosecution

September 14, 2021
Photo of American currency underneath a calculator

Federal Circuit Denies Relief to USPTO From Prolific Inventor Gilbert Hyatt

The Federal Circuit clarified that, while an applicant is required to pay all the expenses of PTAB proceedings, this does not include expert witness fees.
July 15, 2021
Lightbulbs in a row. Lightbulbs are illuminated, Edison-style glass bulbs.

Amendments to Patent Rules Continue: Further Streamlining Canadian Patent Prosecution

Proposed changes to Canada’s patent system include excess claim fees and limits on office actions which will lay the groundwork for patent term adjustments.
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 16, 2021
Close-up photograph of server with multiple ethernet cords plugged in

Patent Appeal Board Rules Choueifaty Patent Application to Be Patentable

PAB 1556: Canada’s Patent Appeal Board reconsidered Mr. Choueifaty’s patent application for a computer-implemented method of managing portfolio assets.
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 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.
June 18, 2020
Photograph of a red hockey net on the ice of an outdoor skating rink.

Federal Court Clarifies the Admissibility of Patent Prosecution History

In a patent infringement case between two major ice skate manufacturers, the Federal Court clarified s. 53.1 and the admissibility of prosecution history.
April 3, 2020
An empty boardroom.

COVID-19: Time Extensions for Patents & Trademarks in North America

In this article, we explain how the intellectual property offices in Canada and the United States are responding to the COVID-19 pandemic.
December 16, 2019
Photo of the Raptors NBA logo on the court of Scotiabank arena

Clawing Deeper into the Monster v. Raptors Trademark Battle

The Raptors are tipping off against Monster, who allege the Raptors trademark featuring a clawed-up basketball is confusingly similar to the Monster "M".
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.