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Expired Canadian patentCanada

Anastomosis devices and methods for treating anastomotic sites

CA 2445654 C · Owner: Weadock, Kevin · Inventors: Weadock, Kevin

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Medical devices, and in particular implantable medical devices may be coated to minimize or substantially eliminate a biological organism's reaction to the introduction of the medical device to the organism. The medical devices may be coated with any number of biocompatible materials. Therapeutic drugs agents or compounds may be mixed with the biocompatible materials and affixed to at least a portion of the medical device. These therapeutic drugs agents or compounds may also further reduce a biological organism's reaction to the introduction of the medical device to the organism. Various materials and coating methodologies may be utilized to maintain the drugs agents or compounds on the …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed October 20, 2003 and granted April 17, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 20, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 20, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 20, 2003
GrantedApril 17, 2012
Term endedOctober 20, 2023
Patent numberCA 2445654 C
Classification (IPC)A61L31/16 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedOct 20, 2003Patent grantedApril 17, 2012Term endedOct 20, 2023

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.