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Canadian application, no grantCanada

Beta-2 microglobulin (b2m) and b2m related gene products for the regulation of osteoarthritis pathogenesis and chondrocyte proliferation

CA 2495225 A1 · Owner: Genenews Corporation · Inventors: Zhang, Hongwei; Liew, Choong-Chin; Marshall, Wayne, E.

CIPO record

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Abstract From the Canadian patent

The invention relates to the discovery of the role of beta-2 microglobulin (B2M) in the pathogenesis of osteoarthritis (OA) and the ability of B2M to inhibit chondrocyte proliferation. The invention further relates to the identification of genes regulated by B2M (the "B2M related genes").

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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 August 27, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 27, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 27, 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.
FiledAugust 27, 2003
GrantedNo grant recorded
Term endedAugust 27, 2023
Patent numberCA 2495225 A1
Classification (IPC)C12Q1/68 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedAug 27, 2003Term endedAug 27, 2023

Sources & verification

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