Maryann O’Hara

Maryann O'Hara practises in our Ottawa office where she focuses on the preparation and prosecution of Canadian patent and industrial design applications particularly in the mechanical, chemical and biotechnological fields. Maryann also regularly advises clients on their patent portfolio management strategies.

Maryann has been a Registered Canadian Patent Agent since 1995. 


Areas of Expertise

Latest Insights

  • Osler Update Dec 1, 2023

    Canadian Intellectual Property Office (CIPO) increasing official fees effective January 1, 2024

    CIPO is set to substantially increase official fees for patents, trademarks, industrial designs and copyrights on January 1, 2024.

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    Canadian Intellectual Property Office (CIPO) increasing official fees effective January 1, 2024
  • Osler Update May 4, 2022

    Act now: Request examination early to avoid excess claims fees and other restrictions under proposed new Canadian Patent Rules

    The Government of Canada is proposing amendments to the Canadian Patent Rules that will introduce excess claims fees and a Request for Continued...

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    Act now:  Request examination early to avoid excess claims fees and other restrictions under proposed new Canadian Patent Rules
  • Osler Update Oct 29, 2019

    Change is coming with new Canadian Patent Rules/amended Patent Act

    New Canadian Patent Rules (Rules) and amendments to the Canadian Patent Act (the Act) will come into force on October 30, 2019. This Update...

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Credentials

Languages

  • English

Professional Affiliations

  • Intellectual Property Institute of Canada (IPIC)