Lenczner Slaght
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Lenczner Slaght is a specialized litigation firm that utilizes its experience in IP litigation to advise on life sciences disputes. The team is adept at handling patent trials, representing clients in proceedings before the Federal Courts, the courts of Ontario and the Supreme Court of Canada. The team also handles cross-border IP litigation involving the US, advising American companies on Canadian laws and regulations. The firm advises domestic and international clients from pharmaceuticals, biotechnology, IT, software, internet and manufacturing sectors. Sana Halwani leads the Toronto-based team and is an expert in cross-border IP disputes, while co-head Jordana Sanft focuses on patent impeachment and infringement actions under the Patented Medicine (Notice of Compliance) Regulations.
Legal 500 Editorial commentary
Key clients
- Canadian Health Labs
- Canadian Medical Protective Association
Work highlights
Represented Gilead Sciences and Gilead Sciences Canada in eight actions in the Federal Court of Canada under the Patented Medicines (Notice of Compliance) Regulations (PM (NOC)).


