Patent notices and archived web content

This page contains practice notices and archived web content for reference.

  • Practice notices provide guidance on current patent practices and the interpretation of relevant legislation.
  • Archived web content is placed here for reference. If there is no demand for the content, it will be removed from the website.

Official notices published on this page set forth office practice as of their publication date. As mandated by the Patent Act and the Patent Rules, certain notices will also be published in the Canadian Patent Office Record (CPOR). In the event of any discrepancy between a notice on this web page and one in the CPOR, the version in the CPOR is the official version.

The practice notices below are intended to provide guidance on current Canadian Intellectual Property Office practice and interpretation of relevant legislation and should not be quoted as, or considered to be, a legal authority. In the event of any inconsistency between the notices and the applicable legislation, the legislation must be followed. It is the responsibility of the applicant or patentee to decide how to proceed with respect to a particular application or other matter.

Patent notices and archived web content
Title Type Year Status
"Due Care" Observations from the Canadian Patent Office Information 2023 Current
Practice notice on recording of multiple documents Notice 2021 Current
Practice notice on required signatures Notice 2021 Current
How to communicate with the Patent Office in regards to a particular application or patent Notice 2021 Current
Remission of a portion of a fee in accordance with section 7 of the Service Fees Act Services and information 2021 Current
Effect of Designated Days on Patent and Patent Application Maintenance Fee Due Dates, and Courtesy Deemed Expired Letters Notice 2021 Current
Extensions of Time Notice 2021 Current
Patentable Subject-Matter under the Patent Act Notice 2020 Current
Notice on Extension of Time Requests Related to the COVID-19 Pandemic Notice 2020 Current
Recording of Transfers and Name Changes and Registration of Related Documents Notice 2020 Current
Notice announcing accelerated examination of patent applications related to COVID-19 relief for small entities Notice 2020 Current
Frequently asked questions – COVID-19 service interruptions – Patents Notice 2020 Current
PCT Schedule of Fees (on or after ) Services and information 2020 Archived
Stoppage of 2 CIPO patent reminder notices Notice 2020 Current
Second CIPO Patent Quality Conversation Consultation 2019 Archived
Patent examiner recruitment Employment opportunity 2019 Archived
PB Quality Standards for International Search and Preliminary Examination Consultation 2018 Archived
Practice Notice on Special Characters Notice 2018 Current
Resolved - Technical issues with new printing services-Patents Notice 2018 Current
Practice Committee Meeting PB/IPIC - Tuesday, June 12th, 2018 Meeting material 2018 Archived
PCT Schedule of Fees (on or after ) Services and information 2018 Archived
Practice Committee Meeting PB/IPIC - Tuesday, February 27th, 2018 Meeting material 2018 Archived
Technical issues with new printing services - Patents Notice 2018 Archived
Practice Committee Meeting PB/IPIC - Tuesday, October 17th, 2017 Meeting material 2017 Archived
Patent Practice Committee Meeting PB/IPIC - Tuesday, June 3th, 2017 Meeting material 2017 Archived
Practice Committee Meeting PB/IPIC - Tuesday, February 28th, 2017 Meeting material 2017 Archived
Patent Agent Qualifying Examination — 2017 Report Report 2017 Archived
Practice Committee Meeting PB/IPIC - Meeting material 2016 Archived
Patent Agent Qualifying Examination — 2016 Report Report 2016 Archived
Tools and references to help you Services and information 2016 Archived
Helpful tips for submitting a Patent Prosecution Highway (PPH) request Services and information 2016 Archived
The Patent Practice Committee Meeting PB/IPIC - June 14, 2016 Meeting material 2016 Archived
The Patent Practice Committee Meeting PB/IPIC - October 25, 2016 Meeting material 2016 Archived
Registration of assignments and correction of assignment-related information Notice 2015 Archived
Examples of purposive construction analysis of medical use claims for statutory subject-matter evaluation Notice 2015 Archived
Patent Notice: Revised Examination Practice Respecting Medical Uses PN 2015-01 Notice 2015 Archived
Practice Committee Meeting PB/IPIC - June 26, 2015 Meeting material 2015 Archived
Amendments to the Patent Act: Questions and Answers Frequently asked questions 2015 Archived
Patent Notice: Examination Practice Respecting Medical Diagnostic Methods – PN 2015-02 Notice 2015 Archived
Patent Agent Qualifying Examination — 2015 Report Report 2015 Archived
Fraudulent payment invoices regarding international patent applications Notice 2015 Archived
Payment of Fees Relating to Patents and Entity Size Notice 2015 Archived
Patent Agent Qualifying Examination — 2014 Report Report 2014 Archived
Practice Guidance Following the Amazon FCA Decision Notice 2013 Archived
Examination Practice Respecting Purposive Construction - PN2013-02 Notice 2013 Archived
Examination Practice Respecting Computer-Implemented Inventions - PN 2013-03 Notice 2013 Archived
Patent Notice: Examination Practice Respecting Medical Uses Notice 2013 Archived
Examination Practice Respecting Medical Uses Notice 2013 Archived
Joint Liaison Committee Meeting #128 - Draft Meeting material 2013 Archived
Joint Liaison Committee Meeting #129 Meeting material 2013 Archived
Joint Liaison Committee Meeting #130 Meeting material 2013 Archived
Patent examination status request Notice 2013 Archived
Correction of errors introduced in the naming of an applicant at the time of filing or national entry Notice 2012 Archived
Patent Agent Qualifying Examination — 2012 Report Report 2012 Archived
Joint Liaison Committee Meeting #127 Meeting material 2012 Archived
Joint Liaison Committee -- Meeting #126 Meeting material 2012 Archived
Post-Amazon.com Practice Guidance Notice 2011 Archived
Practice Subsequent to the Amazon.com Decision Notice 2011 Archived
Biological Sequence Listing Verification Program Notice 2011 Archived
Sequence Listings Notice 2007 Archived
Office Practice Regarding Signals Notice 2007 Archived
Office Practice Regarding Fertilized Eggs, Stem Cells, Organs and Tissues Notice 2006 Archived
Government of Canada's Legislative Response to Recent Federal Court Decisions News release 2003 Archived
Patent Notices - Joint Liaison Committee Notice Notice 1998 Archived
Filing Requirements Consultation 2019 -
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