Blake, Cassels & Graydon LLP is geared to support on high stakes IP litigation, particularly for clients in the life sciences, tech and telecoms industries. Fiona Legere and Geoffrey Mowatt joined the firm in 2024 to lead the group, focusing on complex commercial IP litigation. Legere is an authority in patent litigation, and has extensive trial and appellate experience, whilst Mowatt excels in judicial reviews, copyright and trademark disputes. At an associate level, Richard Du and Diane Hwang are active in patent and trademark disputes. All individuals work in Toronto.
Legal 500 Editorial commentary
Key clients
- EMD Serono, Inc. and Merck Serono
- Janssen Inc
- DeepRoot Green Infrastructure, LLC
- Global X Investments Canada Inc.
- Fittes Canada Inc.
- Wescam Inc.
- MedSpa Partners
- Norco Bicycles (LTP Sports Group)
- Masters Best Friend
- Strathcona Resources Ltd.
Work highlights
Representing EMD Serono and Merck Serono in two PMNOC patent litigation actions involving the drug MAVENCLAD® (cladribine) for the treatment of multiple sclerosis.
Acting as co-lead counsel in an appeal before the SCC pertaining to Janssen’s Invega Sustenna product – a treatment for schizophrenia and related disorders.
Acting as counsel to Global X with respect to ongoing litigation in the Ontario Superior Court, which features several causes of action, including patent infringement.
Practice head
Fiona Legere; Geoff Mowatt
Other key lawyers
Richard Du; Diane Hwang