• Canadian

    Intellectual Property Law

    Since 1887


Practical, comprehensive, and effective legal services

Riches, McKenzie & Herbert LLP continues in the tradition of our founder, patent attorney, Charles H. Riches who, in 1887, founded one of the earliest firms in what was then the recently formed Dominion of Canada, specializing in patent and industrial design matters. More than a century later, our law firm of Riches, McKenzie & Herbert LLP continues as its sole focus, the protection of our clients’ intellectual property in Canada and abroad. As a boutique law firm, we practice in all aspects of intellectual property law in Canada including patent, trademark, copyright and industrial design acquisition, maintenance and enforcement, as well as IP litigation disputes.

Headquartered in Toronto, Canada, our office is centrally located and is close to the hub of Ontario’s robust technology and manufacturing sectors. We serve Canadian clients both nationally and internationally, as well as patent and trademark agents and attorneys globally, including those in the U.S., Europe and in Asia; many with whom our firm has enjoyed longstanding relationships.




One Focus.

  • Michael Adams

    Michael Adams

    B. ENG. (MECH. ENG.), B.SC., J.D.

  • Paul Herbert

    Paul Herbert

    Retired Partner

  • Elizabeth Hugh

    Elizabeth Hugh

    B.A.Sc. (CHEM.ENG), B.Sc. (COMP.TECH.) J.D.

  • R. Brant Latham

    R. Brant Latham

    B.A.Sc. (CHEM ENG), LL.B. P.ENG

  • Thomas McConnell

    Thomas McConnell

    B.Sc. (BIOL.), J.D.

  • Jeffrey Pervanas

    Jeffrey Pervanas

    B.A.Sc. (ENG.SCI), LL.B.

  • Marta Tandori Cheng

    Marta Tandori Cheng

    Trademark Agent

  • Gary M. Travis

    Gary M. Travis

    B.Sc. (GEOL), LL.B.

  • Michael Yun

    Michael Yun

    B.Sc. (BIOCHEM), J.D.

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Experienced legal services for innovation

Our clients include not only universities, research institutes, inventors, entrepreneurs, small-to-mid sized businesses, Fortune 100 companies encompassing a wide range of technologies and business interests, but also national and international law firms seeking to secure IP rights in Canada on behalf of their clients. Focusing on all aspects of innovation, Riches, McKenzie & Herbert LLP delivers comprehensive representation, protecting our clients’ intellectual property rights in Canada and abroad.

Drawing on our vast experience and extensive know-how, we assist our clients in obtaining, maintaining and protecting patents, trademarks, copyrights and industrial designs in Canada, as well as abroad, thanks to our longstanding relationships with a global network of foreign associates. As a boutique law firm, we have not lost sight of the fact that clients’ needs will vary on a client-by-client basis and we structure our services to meet those needs. Whether our clients have questions on how to obtain a trademark or require a trademark search, a trademark application, or assistance with a patent, a copyright, a trademark registration, an infringement issue or any other intellectual property matter, we are there to help.

practice areas

Ideas that Lead to New Actions


    Our forward thinking approach and extensive knowledge is instrumental in protecting the extrinsic value of our clients' patents.  We have the knowledge and skills to assess the viability of patenting new inventions and technologies.  Our patent professionals can draft, file and prosecute patent applications, and where necessary, litigate Canadian patent rights.  Our patent attorneys can proactively counsel our clients through every step of the patent application process, and implement strategies to protect their intellectual property rights, both in Canada and abroad.  Our clients’ patents encompass a diversified portfolio of industries and include those in the biotechnology, computer software and hardware, oil and gas production, chemistry, agriculture as well as in the mechanical and robotic fields.

    Our trademark professionals have expertise in all aspects of trademark acquisition and registration, including the clearance of trademarks, the filing and prosecution of trademark applications, the handling of trademark oppositions and non-use cancellation proceedings before the Canadian Opposition Board, as well as trademark litigation. As an boutique IP firm, we offer personalized expertise in creating and managing our clients’ trademark portfolios, enforcing their trademark rights and settling trademark disputes, managing domain name registrations and developing an international filing strategy for our Canadian clients, thanks to our relationships with our network of foreign associates in the United States and globally.

    Copyright protection prohibits the production or reproduction of all, or a substantial portion of your work, without your consent. Our experience in the enforcement of copyright matters provides added peace of mind when keeping your intellectual property safe from unauthorized duplication and imitation. Our firm of barristers and solicitors defend copyright infringement through litigation, initiate and respond to cease and desist letters, and provide advice on all types of Canadian copyright law ranging from copyright ownership, infringement, acquisition and registration, clearance, enforcement, audits, and the defence of infringement allegation. It should be assumed that every work is protected by copyright unless you can establish otherwise.
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    When IP disputes over patents, trademarks, designs or copyrights arise, the IP litigation lawyers at Riches, McKenzie & Herbert LLP possess demonstrated experience in IP litigation. Our litigation team has both patent agent/trademark agent designations, in addition to being lawyers. Our lawyers not only know litigation, but also the details of the Patent Act and the Trademarks Act. Our litigation team has consistently proven that it can compete with firms larger in size and has successfully assisted large international and national companies, and individuals in protecting their rights.

    A Canadian industrial design is analogous to a United States design patent, and provides protection to the visual features of a particular pattern, shape, configuration, ornamentation applied to a finished product. Our multi-disciplinary technical experience enables us to advise clients on possible industrial design protection in regard to a broad range of different products. With our comprehensive knowledge of protections offered under the Industrial Design Act in Canada, we can provide our clients with a sound understanding of the advantages and requirements to legally protect their designs.

    Our firm has significant experience drafting, negotiating, and advising on the licensing of intellectual property and IP agreements. Our team at Riches, McKenzie & Herbert LLP has expertise in drafting agreements with respect to all aspects of intellectual property, including the licensing of patents, trademarks, designs and copyrights, both in Canada and abroad, through our network of foreign associates. Our experienced professionals will help avoid the intellectual property being deemed unenforceable and invalid due to the non-inclusion of provisions required by the various Intellectual Property Acts.
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Our longevity in the field of intellectual property is a testament to our ability to both secure and enforce our clients' intellectual property rights in Canada and throughout the world. We bring to the table specialized expertise in the field of intellectual property, with our team of skilled patent and trademark professionals having a wide range of technical backgrounds and work experiences, thus ensuring that we can effectively represent our clients in all aspects of intellectual property; be it a patent, a trademark, an industrial design, a copyright, or IP litigation.

At Riches McKenzie & Herbert LLP, we offer an unprecedented level of commitment to our clients. As one of Canada’s oldest and most respected boutique intellectual property law firms, we always look to the future while remaining true to the longstanding tradition of the firm, founded by Charles H. Riches over a century ago.

Holidays and Office Closures in Canada


The Canadian Intellectual Property Office is closed every Saturday and Sunday.

Our office likewise operates on a weekday schedule, and over the coming calendar year will also be closed each Saturday and Sunday.

National Holidays In Canada

In 2019, the Canadian Intellectual Property Office and our Offices will be closed for the following Canadian National holidays:

Christmas Day:  Tuesday, December 25, 2018
Boxing Day:  Wednesday, December 26, 2018
 New Year’s Day:  Tuesday, January 1, 2019
 Good Friday:  Friday, April 19, 2019
 Victoria Day:  Monday, May 20, 2019
 Canada Day:  Monday, July 1, 2019
 Labour Day:  Monday, September 2, 2019
 Thanksgiving Day:  Monday, October 14, 2019
Christmas Day:  Wednesday, December 25, 2019
Boxing Day:  Thursday, December 26, 2019
New Year’s Day:  Wednesday, January 1, 2020

Provincial Holidays

(i) Quebec Holidays

In addition to National holidays, the main office of the Canadian Intellectual Property Office will be closed for Easter Monday on April 22, 2019; for St. Jean Baptiste Day on Monday, June 24, 2019, and for Remembrance Day on Monday, November 11, 2019.

Our office will be open on, each of, Monday, April 22, 2019; Monday, June 24, 2019; and Monday, November 11, 2019.

(ii) Ontario Holidays

Our office will be closed on the following Ontario Provincial holidays:

Ontario Family Day: Monday, February 18, 2019
Civic Holiday: Monday, August 5, 2019


Patents | Trademarks | Industrial Designs

Any due dates to file new national patent, PCT patent, Industrial Design, or Trademark applications which fall on either a Saturday or Sunday, or any of above-mentioned National or Quebec Provincial holidays, are extended to the next day on which the Canadian Intellectual Property Office is open for business.

Patent and trademark due dates falling on Monday, February 18, 2019 and Monday, August 5, 2019, may be extended to the following Tuesday by our Firm filing the necessary application/response papers through the Toronto Regional Office of CIPO. Industrial Design due dates falling on Monday, August 5, 2019 are also extended to the following Tuesday.

Industrial Design due dates falling on Monday, February 19, 2019 will not be extended.  If design due dates fall on any of February 16, 17, or 18, 2019, please ensure to provide our office instructions prior to 9:00 a.m. (EST), Friday, February 15, 2019 at the very latest.



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Contact Us

We are conveniently located at the northeast corner of Yonge and Bloor Streets in Toronto. Our offices are located on the 18th floor at 2 Bloor Street East.

Riches McKenzie & Herbert LLP



(416) 961-5000
09.00 am to 5.00 pm E.S.T.

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