About

Provided by Lenczner Slaght

Lenczner Slaght is widely recognized as Canada’s leading litigation firm and a significant part of our success is our intellectual property practice.

We have extensive courtroom experience. Our team represents clients in all types of high-profile and technically sophisticated patent, trademark, and copyright matters in proceedings before the Federal Court, the Federal Court of Appeal, the Ontario Superior Court, the Ontario Court of Appeal and the Supreme Court of Canada.

Our lawyers have acted on some of Canada’s leading patent trials. We also have extensive experience litigating cases under the PM(NOC) Regulations for our pharmaceutical clients. In addition to our patent work, our lawyers have also litigated trade secret, copyright, trademark, competition law, confidential information and misleading advertising disputes. From seeking or fighting injunctions on the use of trademarks to arbitrations involving IP licensing contracts to complex drug product litigation, our lawyers have acted as advocates on the full range of intellectual property matters. We also advise clients on complicated issues at the intersection of intellectual property and competition law.

Chambers Review

Provided by Chambers

Intellectual Property: Litigation - Nationwide - Canada

3
Band 3

What the Team is Known For

Lenczner Slaght is a well-recognised brand when it comes to dispute resolution and enjoys a solid reputation in the intellectual property market specifically. The team possesses significant experience handling complex patent cases, acting for a number of eye-catching clients in pharmaceuticals and technology. The department also regularly acts for clients engaged in copyright disputes.

Work Highlights

  • Lenczner Slaght acted for a consortium of Canadian news media organisations in an action against OpenAI for breach of copyright, breach of online terms of use, breach of contract and unjust enrichment for using large amounts of their content to develop products, such as ChatGPT.

Strengths

Provided by Chambers

Notable Practitioners

Provided by Chambers

Jordana Sanft
2
Jordana Sanft
2
Band 2
Jordana Sanft is a well-known contentious intellectual property lawyer, patent agent and trade mark agent with a particularly strong reputation in the life sciences industry.

Jordana Sanft is very strategic and is wonderful to work with.

Jordana is highly responsive and can distill complex subjects into practical advice.

Jordana has a brilliant legal mind.

Sana Halwani
2
Sana Halwani
2
Band 2
Toronto-based Sana Halwani is a well-regarded lawyer in the field of intellectual property and dispute resolution. She represents an impressive portfolio of clients in the technology, telecoms and biotechnology sectors.

Sana Halwani is strong across the board. She engenders confidence.

Sana is incredibly capable and keeps her clients as a top priority. She has a deep understanding of both the legal framework and the realities of the industry.

Andrew Moeser
U
Andrew Moeser
U
Up and Coming

Andrew Moeser is a key part of the Lenczner Slaght intellectual property team, where he showcases considerable expertise acting in patent and copyright infringement actions.

Andrew is a strategic thinker and is able to formulate creative and practical solutions to overcome challenges.

Andrew Moeser has a brilliant legal mind.

Jim Lepore
Jim Lepore
Associates to watch

Jim Lepore is an experienced associate whose IP litigation practice includes significant patent and copyright infringement actions, most notably in the technology and energy sectors.

Jim is very attentive to moving matters forward and provides excellent work products. He is a keen litigator.

Jim Lepore is incredibly attentive and truly invested in getting the best possible outcome.

Ranked Lawyers at
Lenczner Slaght

Provided by Chambers
Filter by
Band

Nationwide - Canada

Intellectual Property: Litigation

Jordana Sanft
2
Jordana Sanft
2
Band 2
Sana Halwani
2
Sana Halwani
2
Band 2
Andrew Moeser
U
Andrew Moeser
U
Up and Coming
Jim Lepore
Jim Lepore
Associates to watch

Members

Provided by Lenczner Slaght