Canadian Patent Office Fees: A Comprehensive Guide to Understanding and Managing Costs

The Canadian patent system offers protection for inventions and innovations, providing inventors with exclusive rights to their creations. Understanding Canadian patent office fees is crucial for successfully navigating the patent process and managing costs. This article aims to provide a comprehensive guide to understanding and managing Canadian patent office fees.

Types of Canadian Patent Office Fees

Filing fees

There are two primary types of filing fees: fees for regular applications and fees for Patent Cooperation Treaty (PCT) national phase applications.

  1. Regular applications: The Canadian Intellectual Property Office (CIPO) charges filing fees for standard patent applications.
  2. PCT national phase applications: For international patent protection, applicants can file a PCT national phase application with CIPO.

Examination fees

Once a patent application is filed, it must be examined to determine if it meets the requirements for patentability. There are standard examination fees and expedited examination fees.

  1. Standard examination fees: CIPO charges examination fees for reviewing patent applications.
  2. Expedited examination fees: Applicants can request expedited examination for an additional fee.

Maintenance fees

Maintenance fees are required to keep a patent application or granted patent in force. There are annual maintenance fees and late payment fees.

  1. Annual fees: CIPO charges annual maintenance fees for both pending applications and granted patents.
  2. Late payment fees: If a maintenance fee is not paid on time, CIPO charges late payment fees.

Factors Affecting Canadian Patent Office Fees

Size of the applicant

Canadian patent fees differ depending on the size of the applicant. There are small entity fees and standard fees for larger entities.

  1. Small entity fees: CIPO offers reduced fees for small entities, such as individuals, universities, and small businesses.
  2. Standard fees: Larger businesses and organizations are subject to standard patent fees.

Application complexity

Complex patent applications with numerous claims or lengthy descriptions may incur additional fees.

  1. Additional fees for extra claims or pages: CIPO charges additional fees for applications exceeding certain thresholds for claims or pages.
  2. Amendments and additional documentation fees: CIPO may charge fees for amendments and additional documentation required during the examination process.

International considerations

Applicants seeking international patent protection may encounter additional fees.

  1. PCT fees: CIPO charges PCT fees for national phase applications filed under the Patent Cooperation Treaty.
  2. Foreign filing fees and translations: Applicants may need to pay foreign filing fees and translation costs when filing patent applications in other countries.

Strategies for Managing Canadian Patent Office Fees

  1. Determine entity size eligibility: Applicants should verify if they qualify for small entity status to take advantage of reduced fees.
  2. Streamline application and optimize claims: Applicants can reduce fees by streamlining their application and carefully crafting claims to avoid unnecessary additional fees.
  3. Utilize the Patent Cooperation Treaty (PCT) for international protection: Filing a PCT application can provide cost-effective international patent protection.


  1. How long does it take to obtain a patent in Canada? The average processing time for a patent application in Canada is approximately 24 months.
  2. What are the requirements to be considered a small entity in Canada? A small entity in Canada generally includes individuals, universities, and businesses with 50 or fewer employees. For more details on small entity eligibility, see CIPO’s guidelines.
  3. How can I reduce the fees for my patent application? Applicants can reduce fees by qualifying for small entity status, streamlining their application, and efficiently using the PCT system for international protection. See the strategies outlined in Section IV for more information.


Understanding and managing Canadian patent office fees is an essential part of navigating the patent process in Canada. With knowledge of the fees and strategic planning, applicants can successfully protect their inventions while minimizing costs.