Gastle & Associates, styled on its site as "Gastles," is a Peterborough, Ontario firm led by Jim Gastle that focuses on virtual patent marking (VPM) for U.S. patent owners. It helps clients set up and maintain compliant VPM programs and offers a companion digital platform, Markr, to manage patent portfolios and compliance. The firm also provides patent prosecution support alongside its VPM consulting.

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Lawyers

No individual lawyers listed on the firm site.

Where to find them

12 Bridge St #202, Lakefield, ON K0L 2H0

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Listing compiled from the firm’s public website in July 2026. Verify licence status in the Law Society of Ontario directory ↗