I'm Doug.


    Meet Doug MacLean. A registered patent agent in Canada and the United States for Stratford Intellectual Property, he is sought after by clients for his strategic patent prosecution work as well as his ability to turn innovations into assets.

    Doug has extensive experience in all areas of intellectual property, including patents and industrial designs. Doug specializes in patent drafting and prosecution, with a focus on start-up innovation and protection. Doug has helped develop patent portfolios for small, medium and large sized optics companies.

    Over the last 30 years Doug’s clients have included start-ups, universities, research institutions, entrepreneurs and multinational corporations.

    Doug counsels clients on technologies including:

    • Optical filters
    • Optical switching
    • Piezoelectric devices
    • Exercise, mobility and sports equipment.

    “What I like about Doug is that he takes the time to understand the invention and make sure the patent description and claims match the spirit of the invention. He knows how to write patents and how to avoid common pitfalls.”

    IAM Patent 1000 Recommended Individual 2022

    Awards & Recognition.

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    IAM Patent 1000

    Widely regarded as the definitive resource for identifying world-class patent professionals. The rankings result from an exhaustive qualitative research project, evaluating firms and individuals based on their knowledge, market presence, notable work, and positive peer and client feedback.
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    IAM Patent 1000 Recommended Individual

    Individuals who stand out for their exceptional skill sets and profound insights into patent matters feature as "Recommended Individuals" in the IAM Patent 1000. Doug was commended for first-rate patent support and strategic prosecution work.

    Marie Morency Prize

    Marie Morency Prize winner for Patent Drafting on the 1992 Patent Agent Qualifying Exam. The distinction is awarded to the individual with the highest mark on “Paper A” (Patent Drafting), a key component of patent agent exams, in a given year.
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    Stratford Intellectual Property.

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    A unique blend of IP and business expertise to help you improve the way you develop, protect, and monetize your entire IP portfolio – from patents, trade secrets, trademarks, design patents and domain names.