Atty. Louisa Pontrelli

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.

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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.

Verified attorney profile · Updated June 2026

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 Law

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 →

Intellectual Property

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.

Frequently Asked

Common questions about Louisa Pontrelli

Where is Louisa Pontrelli's law office located?
Louisa Pontrelli's law practice is located in Mississauga, Ontario. The firm is Norton Rose Fulbright Canada LLP. You can contact the office directly through this profile page.
What practice areas does Louisa Pontrelli handle?
Louisa Pontrelli focuses on real estate, ip. Each practice area listed reflects experience handling cases of that type in Ontario.
How can I contact Louisa Pontrelli for a consultation?
You can contact Louisa Pontrelli directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Louisa Pontrelli received?
Louisa Pontrelli's notable recognition includes: Best Lawyers in America — Intellectual Property Law.

Practice Areas

Awards

Best Lawyers in America — Intellectual Property Law
- 2026

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