Patentable Subject Matter

Assessing whether subject-matter is statutory requires a determination as to
whether: the invention (1) falls within the statutory definition of “invention”
provided by the Patent Act;  (2) is not within a class of subject-matter that is
specifically excluded by the Patent Act; and (3) is not otherwise excluded by
operation of judicial interpretation of the Patent Act.

June 7, 2021
Close up view of a green circuit board for a computer

PAB Allows Two Software Patents, Revealing Post-Choueifaty Approach

In two recent decisions involving software patents, the Patent Appeal Board found the inventions to be directed to patentable subject-matter
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.
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.
September 23, 2020
Lines of programming code on a computer screen.

Federal Court Rejects CIPO’s “Problem-Solution” Approach to Claim Construction

2020 FC 837: A recent decision spells the end to the problem-solution approach, which has long been used to block patent applications for software.
August 10, 2020
Macro photograph of a computer keyboard with black keys.

Infringer Uses Marking Requirement to Escape Pre-Suit Damages

Fed. Cir. 2019-2041 - The CAFC held that Packet Intelligence was precluded from claiming $3.5M in pre-suit damages because the marking requirement was not met.
December 9, 2019
The word blockchain surrounded by symbols of bitcoin, finances, mobile devices, money, computer networks.

Patenting Blockchain Technologies

Is patenting blockchain possible? Do patents detract from the decentralization of blockchain? This article explains the ins and outs of blockchain patents.
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.
August 23, 2019
A busnisess's empty board room with desk chairs and a table.

What Can Businesses Expect From the US Patent Reforms?

A draft bill released May 22nd proposes significant reforms to section 101 of the US Patent Act. Businesses should be aware of the commercial impact.
June 11, 2019
avx

CAFC Refuses to Hear Appeal from Patent Decision

AVX Corporation v Presidio Components (Fed. Cir., 2018-1106) A case recently dismissed by the United States Court of Appeals for the Federal Circuit (“CAFC”) confirms that […]
November 23, 2018

PAB Rejects Application: Ambiguous and Indefinite Claims are Unpatentable

PAB 1453 – The Patent Appeal Board found that Canadian Patent Application No. 2,612,950 for a “system and method for generating real-time indicators in a trading list or portfolio” was obvious, the claims did not define statutory subject matter and were indefinite.