Patent Notices

Official notices are published in the Canadian Patent Office Record (CPOR). Until CIPO can integrate CPOR notices into this page, the notices will be available under Notices published in the Canadian Patent Office Record.

• 2009-03-24
  Practice Notice on Unity of Invention
• 2009-01-27
  Practice Notice on "Title of Invention"
• 2009-01-05
  Patent Maintenance Fees Electronic Payment system
• 2008-11-27
  Updated Correspondence Procedures
• 2008-10-14
  Updated Correspondence Procedures
• 2008-09-29
  New Online Patent Cooperation Treaty (PCT) Application Tool Launched
• 2008-09-09
  Patent Cooperation Treaty (Pct) Schedule Of Fees Applicable For Applications Filed On Or After September 15^th 2008.
• 2008-08-14
  Patent Cooperation Treaty (Pct) Schedule Of Fees Applicable For Applications Filed On Or After July 1 2008.
• 2008-05-13
  Patent Cooperation Treaty (PCT) Schedule of Fees Applicable for Applications Filed On or After May 15, 2008
• 2008-01-22
  Statutory Holidays (Dies Non)
• 2008-01-02
  Patent Cooperation Treaty (PCT) Schedule of Fees Applicable from January 1, 2008
• 2007-10-09
  Sequence Listings
• 2007-10-02
  Small Entity Declarations
• 2007-08-14
  Office Practice Regarding Signals
• 2007-07-17
  Updated Correspondence Procedures
• 2006-06-20
  Office Practice Regarding Fertilized Eggs, Stem Cells, Organs and Tissues
• 2005-12-06
  Payment of fees: General authorization to charge a deficiency to deposit accounts and credit cards
• 2005-08-24
  Method of medical treatment claims in international applications
• 2005-07-14
  Waiver of the Requirement under Patent Cooperation Treaty (PCT) Rules to submit a separate power of attorney and/or a copy of a general power of attorney on PCT applications
• 2005-01-18
  Correspondence Procedures
• 2004-07-26
  CIPO Replaces EPO as International Searching Authority and International Preliminary Examining Authority
• 2004-04-21
  Rules Amending the Patent Rules - Sequence Listing Requirement for Patent Applications file in Canada under the Patent Cooperation Treaty (PCT)
• 2004-04-02
  Patent Office practice regarding multiple examiner's requisitions
• 2004-01-01
  New item 27 of the Tariff of Fees - provide information concerning the status of a patent application or patent
• 2003-09-23
  Notice of Decision of the Commissioner of Patents Concerning a Patent Agent
• 2003-09-02
  Patent Office practice regarding multiple examiner's requisitions
• 2003-08-08
  Government of Canada's Legislative Response to Recent Federal Court Decisions
• 2003-05-30
  Practice Notice: Payment of Fees Relating to Patents and Entity Size
• 2001-09-24
  Official Notice: Payment of Fees
• 2001-09-17
  Destruction of Some Temporary Paper Files
• 2001-05-22
  Canada signed new Patent Law Treaty
• 2001-02-28
  Notice to subscribers of CD-Rs
• 2001-02-20
  Correspondence Procedures
• 2000-08-01
  Client Service Commitment
• 2000-07-04
  How Your Application is Processed
• 2000-07-04
  Requirements for Filing Patents Applications in Canada
• 2000-03-14
  Ownership information in TechSource
• 2000-03-14
  CIPO to discontinue paper files
• 1999-12-28
  Filing requirements with attached CD-R
• 1999-06-15
  Reduction of paper copies
• 1999-04-20
  The Canadian Patent Office Record goes online!
• 1998-07-06
  Change in Office Procedures
• 1998-07-06
  Amendments to the PCT Regulations
• 1998-07-06
  Facsimile Correspondence
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  Emergency Procedures
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  Statutory Holidays