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The professionals at CPST are thought leaders on intellectual property issues. Check back frequently for the latest updates.
*These publications represent a general discussion of certain legal and related developments and should not be relied upon as legal advice.

Sending Cease and Desist Letters in Canada

Anthony Prenol


In Canada, it is very common for the owner of an intellectual property right to send a cease and desist letter to an alleged infringer before commencing litigation. However, there are issues a sender needs to be aware of.

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Trademark Licensing in Canada: Everything You Need to Know You Can Learn From The Hells Angels

Antonio Turco


One phrase most lawyers (and people in general) have likely never uttered is “you should be more like the Hells Angels”. However, an exception may be available when it relates to trademark licensing.

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Moving on Up: Increased Costs Awards in Canadian Patent Litigation

Anthony Prenol

Antonio Turco

Sarah O'Grady


In recent years, Canada’s Federal Court has shown a clear trend towards awarding increased costs to the successful party in patent litigation.

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Trademark Enforcement Tips and Traps: Navigating Canada’s Trademark System One Year After the Major Changes

Anthony Prenol

Antonio Turco

Sarah O'Grady

Dori Walton


On June 17, 2019, the most significant changes to Canada’s trademark system in over 60 years took effect. At the one-year anniversary of the changes, we are assessing the impact that they have had on Canadian trademark practice. We will provide some practical tips and also identify some traps in dealing with the altered trademark landscape, in this case as it relates to enforcement.

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Trademark Prosecution Tips and Traps: Navigating Canada’s Trademark System One Year After the Major Changes

Anthony Prenol

Antonio Turco

Sarah O'Grady

Dori Walton


On June 17, 2019, the most significant changes to Canada’s trademark system in over 60 years took effect. At the one-year anniversary of the changes, we are assessing the impact that they have had on Canadian trademark practice. We will provide some practical tips and also identify some traps in dealing with the altered trademark landscape, in this case, as it relates to prosecution and maintenance.

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The Scent of a Crayon: Unique Complications with Scent and Other Non-Traditional Trademarks in Canada

Sarah O'Grady


A distinctive scent may even enable consumers to identify a particular brand. Such scents can now be the subject of trademark registrations in Canada.

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Follow the Rules! Recent Changes to Canada’s Patent Procedures

Santosh K. Chari


On October 30, 2019, Canada’s Patent Rules were amended to implement changes that were made to the Patent Act. A number of these amendments require applicants to modify their approach to filing and prosecuting patent applications in Canada. Some of the more important changes are summarized here along with recommended strategies to avoid potential pitfalls.

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I'm So Tired: IP Rights Exhaustion

Antonio Turco


Like many other countries, Canada recognizes the doctrine of exhaustion of intellectual property rights (also known as the first sale doctrine). The purpose of this article is to provide an overview of the doctrine of exhaustion in Canada.

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Data Protection for Innovative Drugs in Canada

Anthony Prenol


Canada, like many other countries, has a system of data protection for innovative drugs. The purpose of this article is to provide an overview of the data protection system in Canada and some of its nuances.

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