Atty. Louisa Pontrelli
Louisa Pontrelli practises intellectual property law with an emphasis on pharmaceutical patent litigation. She has particular experience in matters affecting the innovative pharmaceutical and biotechnology industry, including infringement and validity opinions, subsequent entry biologics, infringement and impeachment actions and proceedings under the Patented Medicines (Notice of Compliance) Regulations.
Profile Summary
About Louisa Pontrelli at a glance
Louisa Pontrelli is a real estate and ip attorney based in Mississauga, Ontario, practicing at Norton Rose Fulbright Canada LLP. Recognitions include Best Lawyers in America — Intellectual Property Law (2026). Serves clients in Mississauga, ON and the surrounding metropolitan area.
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About
- Louisa Pontrelli practises intellectual property law with an emphasis on pharmaceutical patent litigation
- She has particular experience in matters affecting the innovative pharmaceutical and biotechnology industry, including infringement and validity opinions, subsequent entry biologics, infringement and impeachment actions and proceedings under the Patented Medicines (Notice of Compliance) Regulations
- During her graduate studies she investigated the molecular and cellular biology of lipoprotein metabolism in cardiovascular disease, and, in particular, the role of untranslated regions in translational control of apolipoprotein B mRNA
- Ms. Pontrelli’s research was published in scientific journals
- Prior to joining our Toronto office, Ms. Pontrelli practised with an intellectual property law firm in Toronto where she also articled
Practice Areas Explained
Louisa Pontrelli's Areas of Practice
Each practice area below reflects the types of cases Louisa Pontrelli handles, with a brief overview of what that area of law covers.
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
Louisa Pontrelli is one of 286,061 real estate attorneys indexed nationally. Browse real estate attorneys in Ontario →
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Louisa Pontrelli is one of 94,505 ip attorneys indexed nationally. Browse ip attorneys in Ontario →
Jurisdictional Context
Why local counsel matters in Ontario
Practicing law in Ontario. Legal matters in Ontario are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Mississauga are typically filed in the local municipal court or the appropriate Ontario state district court, depending on subject matter and amount in controversy. An attorney licensed in Ontario brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Ontario courts without local counsel or pro hac vice admission.
Looking for additional Ontario attorneys? Browse all attorneys in Mississauga or all attorneys in Ontario.
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