Do You Have A Patent/Trademark Project We Can Help With?
MacRae & Co. is located at:
326 Somerset Street West, Ottawa, Ontario, K2P 0J9.
326 Somerset Street West, also known as Chamberlain House, is an Official Designated Heritage Property built in 1894. It is a three-storey brick house of the Eastlake model of the Queen Anne Style, with a distinctive turret which highlights its façade.
Our post office mailing address and our phone and fax numbers are as follows:
P.O. Box 806, Station B. Ottawa, Ontario, K1P 5T4
Phone: (613) 234-3559 | Fax: (613) 234-3563

New Office in Windsor/LaSalle Ontario
As of December 2020, we now have a satellite office in Windsor/LaSalle, Ontario to better serve our clients
in Southern Ontario, Michigan, Ohio and other Mid-West States. Contact our Ottawa Office for information.
Specialists In Patents and Trademarks
MacRae & Co. offers expert cost-effective intellectual property protection services. Our firm is considered to be one of the top high volume application filers with the Canadian Trademarks Office. All our Professionals are registered patent agents and/or trademark agents with different areas of expertise, including biotechnology, information systems, electrical, aerospace and mechanical engineering. We are well-versed in patent, trademark, industrial design, copyright and integrated circuit topography practice. We are also one of the few Canadian firms who will file patent applications on a small entity basis for those who qualify.
Our Core Values
Latest News
Trademarks – Fee Increases coming January 1, 2024
GOVERNMENT FEE INCREASES – January 1, 2024 It has been nearly 20 years since the Canadian Intellectual Property Office (CIPO) substantially changed government fees. As all things become due with time, the government has initiated [...]
Patents – Patent Term Adjustment Effective January 1, 2025
CIPO’s Patent Term Adjustment (PTA) System The Canadian Intellectual Property Office (CIPO) is set to introduce its Patent Term Adjustment (PTA) system on January 1, 2025. This system is designed to compensate for unreasonable delays [...]
Industrial Designs – Fee Increases coming January 1, 2024
GOVERNMENT FEE INCREASES – January 1, 2024 It has been nearly 20 years since the Canadian Intellectual Property Office (CIPO) substantially changed government fees. As all things become due with time, the government has initiated [...]
Intellectual Property Scams
Be alert – Intellectual Property scams are on the rise! This article describes Intellectual Property (IP) scams, such as trademark scams, presents examples, and outlines protective steps to counter them. Scammers use fake trademark or [...]
International Network of Associates
Over the years, we have built an international network of associates from countries including the United States, Great Britain, Germany, France, Italy, Spain, Japan, Australia and Russia, who also specialize in intellectual property matters, with whom we have forged strong and lasting relationships.