Utility

Usefulness, or utility, is a statutory requirement for patentability. The
standard for utility is low. Utility is a necessary pre-condition for patentability. In order for a patent to be valid, the invention it purports to protect must be useful.

February 3, 2022
A photo of an iPhone screen showing an icon to launch the Google app.

Google’s AdWords Defeats Competitor’s Patent Infringement Claim

Canada's Federal Court dismissed allegations by Paid Search Engine that Google infringed a patent for optimizing paid search engines.
January 24, 2022
Photo of a pharmacist holding out a yellow pill in one hand and a white pill in another hand. A patient reaches for the yellow pill.

Teva Blocks Competitor With Patent for 40 mg/mL Dose of Copaxone®

Outside Canada, Teva’s Copaxone® 40mg/mL dosing patents have been invalidated for obviousness, making way for generic competitors.
December 19, 2017

Federal Court Upholds Pfizer’s Polymorph Patent for the Depression Drug PRISTIQ as Inventive and Useful

2017 FC 777 - The FC rejected Teva’s allegations that Pfizer's Canadian patent was obvious and lacked utility. The FC found that the POSITA would not have been able to predict the novel crystalline form taught by the patent, and that the subject-matter of the invention claimed in the patent was useful.
December 12, 2017

Federal Court shoots down an attempted revival of the promise doctrine

2017 FC 774 - The FC granted Pfizer's order pursuant to Section 6 of the PM(NOC) Regulations, prohibiting the Minister of Health from issuing a NOC to Apotex, with respect to a Canadian patent The FC found, on a balance of probabilities, that Apotex’s allegations of obviousness, inutility, non-infringement, overpromising, anticipation and double patenting were not justified.
November 14, 2017
insomnia

Federal Court finds Insomnia-treating Drug Patent neither Invalid nor Infringed

2016 FC 1362 - The formulation patent for the insomnia-treating drug zolpidem was found to be substantially valid, but not infringed by Pharmascience's generic version of zolpidem.
October 10, 2017
insufficient disclosure

Federal Court of Appeal Upholds Finding of Insufficient Disclosure

2017 FCA 161 - The FCA dismissed Idenix's appeal to a FC decision in which Idenix's Canadian patent was found invalid for insufficient disclosure and its counterclaim against Gilead was dismissed.
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.
June 27, 2017

ICSID Tribunal dismisses Eli Lilly’s NAFTA claim against Canada

Case No. UNCT/14/2 - An ICSID Tribunal dismissed Eli Lilly’s claim against Canada, which was brought in relation to two Canadian patents owned by Eli Lilly that had been invalidated for failing to provide the utility they promised.
June 6, 2017

Allergan fails to demonstrate to FC that Apotex’s allegations of invalidity are not justified

2016 FC 344 - Apotex alleged in its Notice of Allegation and submissions that the ‘632 Patent was invalid because it was obvious and lacked utility. The FC found that the allegation was justified.
March 14, 2017

Federal Court Grants Prohibition Order on Generic Psoriasis-treating Ointment

2015 FC 1237 - The FC heard and granted an application by Leo Pharma to prohibit Teva Canada from being issued a Notice of Compliance under the PM(NOC) Regulations.
December 20, 2016

Bargain Theory Requires Adequate Disclosure in Patents

2015 FC 108 - Patent drafters are required to provide adequate disclosure of an invention in patent applications to reduce the likelihood that the granted patent will be litigated and invalidated years down the road. This Federal Court (“FC”) decision dismissed an application for a prohibition order on the grounds of non-infringement and found the patent to be obvious and lacking in utility.
April 22, 2016

Gilead Successfully Invalidates Patent Jeopardizing Its Sovaldi Product

2015 FC 1156 - The FC found that Idenix’s patent was invalid for a lack of utility, demonstrated or soundly predicted, and for insufficient disclosure.
April 5, 2016

Strike Two: Second Prohibition Application Regarding Mylan’s Proposed Tadalafil Tablets Denied

2015 FC 125 - The existing patent was invalid on the grounds of lack of utility for having made a promise of utility that could not be demonstrated nor soundly predicted, was anticipated by a previous patent of the applicant that claimed an overlapping dosage range, and was also therefore made obvious by the same previous patent.
March 28, 2016

Utility For A Pharmaceutical Patent Must Relate To How It Is Used, Not Simply to Its Properties

PAB 1384 - If a pharmaceutical patent is construed to make a promise, then that promise must relate to how the invention will ultimately be used – not simply to the properties of the pharmaceutical itself.
March 3, 2015

Physical Stability Experiments did not Adequately Demonstrate or Soundly Predict Utility for Overbroad Eye Drop Patent

Alcon Canada Inc v Cobalt Pharmaceuticals Company, 2014 FC 149 - The Court examined in detail a number of experiments disclosed in the patent that were said to establish the claimed utility, but the experiments did not demonstrate or soundly predict utility for the broad ranges of molecular weight and chemical concentration claimed.
November 21, 2014

FCA Dismisses Apotex Appeal to have the Promise Doctrine Extended

Apotex Inc v Pfizer Canada Inc, 2014 FCA 250 - The Court rejected Apotex’s sweeping argument that any given promise in the patent must be construed as overarching to all of the patent’s claims.
October 27, 2014

Expert witnesses proven to be pivotal in Dow Chemical patent infringement suit

Dow Chemical Co v NOVA Chemicals Corp, 2014 FC 844 - The Federal Court found that NOVA Chemicals infringed Canadian Patent No. 2,160,705, owned by The Dow Chemical Company, by NOVA’s use of its “SURPASS” polyethylene product. Allegations of invalidity for lack of utility, claims broader than any invention made or disclosed, anticipation, obviousness, double patenting, and insufficiency of the specification were unsuccessful.
July 31, 2014

Federal Court Prohibited Issuance of a NOC for Generic Version of Lumigan

Allergan Inc v Apotex Inc, 2014 FC 567 - In terms of claim construction, this case shows the tension between construing claims based solely on the wording of the claims versus peering beyond the wording of the claims to distill an underlying invention.
October 18, 2013

FC refuses to use s. 52 of the Patent Act to Amend a Patent

F Hoffmann-La Roche AG v Commissioner of Patents, 2013 FC 1001.   Background This is an application for an order pursuant to s. 20 of the […]
October 1, 2013

PAB Applies AZT finds that inventor could not soundly predict utility throughout entire claimed range

Re: Patent Application No. 2,248,228  [CD 1340] Background The Commissioner of Patents reviewed the decision of the PAB relating to patent application 2,248,228 entitled ‘METHOD OF […]