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Torys LLP

Intellectual Property

6 ranked lawyersBand 2Nationwide - CanadaCanada 2022 View ranking table
chambers review
department information
Ranked Lawyers
chambers review
department information
Ranked Lawyers

Chambers Review

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What the team is known for

The intellectual property team at Torys is experienced in a broad range of litigation and commercial matters for a variety of prominent clients, including those in the chemical, banking, pharmaceutical and life sciences sectors. The Toronto-based firm also handles an array of regulatory, prosecution and advisory work, including complex patent and copyright issues. It is also noted for its deep expertise in portfolio management and for its work on trade mark mandates.


"Torys can provide a wide spectrum of legal services," enthused one commentator, adding: "They care about our business and always look for ways to improve and enhance their service."

"I have never worked with a litigation team that worked so fluidly with each other," explained another, saying: "Assignments were handed back and forth seamlessly, with no loss of quality or content."

Work highlights

A team led by Andrew Shaughnessy and Andrew Bernstein represented Sanofi in patent litigation initiated by generic producer Apotex.

Notable practitioners

Andrew Bernstein has an impressive pedigree in contentious intellectual property proceedings, playing an important role in high-profile patent disputes. He also has an active commercial litigation practice.
"Andrew Bernstein has a deep analytical mind."

Andrew Shaughnessy is a highly experienced intellectual property litigator with an impressive track record representing clients in the pharmaceutical and biotechnology sectors.
"With a wealth of experience in the area, Andrew Shaughnessy has helped advise on an overall litigation strategy." "He is an excellent lawyer, litigator and advocate, as well as a strong communicator."

Edward Fan is an accomplished patent and trade mark expert, with a proficiency in strategy, protection and the acquisition of intellectual property.
"He is very composed and not easy to ruffle, and will also go to great lengths to ensure our needs are met." "Edward Fan is very responsive and client-focused, and he has a very strategic approach to work."

Eileen McMahon has cultivated an outstanding reputation in the life sciences sector, with a knowledge base spanning issues from patent law and licensing to regulatory compliance and pricing.
"She has been very proactive in keeping us informed about changes and trends, as well as highlighting our blind spots." "Eileen McMahon has a legal brain that understands commerce."

Michelle Nelles is an established intellectual property lawyer with a strong focus on Canadian trade mark law. She advises many impressive domestic names in the retail sector on matters ranging from registration to protection of trade marks.
"Michelle Nelles is fantastic to work with; her knowledge of trade mark law is exceptional." "She works to ensure their procedures for reporting and communicating with us work for us, not just for them."

Yael Bienenstock has a growing reputation in the field of intellectual property litigation, particularly for her role in major patent infringement lawsuits in the pharmaceutical sector.
"Working with her has been great: excellent communication, insightful strategy, diligence at every turn and tremendous experience in a specialised area." "She is a terrific partner with experience in lots of important patent and regulatory matters."

Department Information

This content is provided by Torys LLP.


Business-minded counsel supported by wide-ranging technical skills and industry savvy make us trusted partners to our clients in the management of their intellectual property assets and regulatory affairs in Canada, the U.S. and internationally.

We rigorously focus on our clients’ business to guide them through every dimension of their IP rights: across transactions, IP agreements and disputes, we deliver strategic and effective solutions. We are recognized for our broad technical skills and legal acumen on the creation, acquisition, registration, portfolio management, exploitation, enforcement and protection of our clients’ IP rights—as well as in responding effectively to the IP rights and claims of others.

Many of our practitioners have advanced scientific or engineering degrees in various disciplines, resulting in scientific fluency that allows us to transform complex concepts into tailored and practical opinions and persuasive advocacy.

Our litigators are adept at both working with our clients' technical specialists and supplementing those resources with leading, independent technical experts. We have acted in over 100 cases in the Federal Court of Canada involving pharmaceutical and medical device patents, including data protection cases, PM(NOC) cases, PMPRB cases, infringement and impeachment actions, patent listing disputes and section 8 damages cases. We also regularly deal with novel copyright issues, involving complex facts and difficult issues of law.

Intellectual Property

Torys LLP


79 Wellington Street West, 30th Floor

PO Box 270, TD South Tower




ON M5K 1N2

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Articles, Highlights and Press Releases

Total 8 Articles, Highlights and Press Releases

Ranked Lawyers

Chambers Research is conducted by 200 Research Analysts, across 200 jurisdictions and provides nearly 6,000 rankings tables. Annually we collect hundreds of thousands of responses from clients, the majority via in-depth interview. Learn more about our methodology.

Nationwide - Canada

Intellectual Property

Eileen M McMahon
Band 1
Michelle Nelles
Band 3

Intellectual Property: Litigation

Andrew E Bernstein
Band 2
Andrew M Shaughnessy
Band 1
Yael Bienenstock
Up and Coming