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Expired Canadian patentCanada

Human prostatic cell lines immortalized by adenovirus 12-simian virus 40 (ad12/sv40) hybrid virus

CA 2187099 C · Owner: Department Of Health And Human Services · Inventors: Webber, Mukta M.; Rhim, Johng S.

CIPO record

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

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Abstract From the Canadian patent

Immortalized non-tumorigenic or tumorigenic human prostatic epithelial and fibroblast cell lines and derivatives thereof containing, DNA of a hybrid virus between adenovirus 12 and simian virus 40. The cell lines are useful for research on causes treatment and prevention, of prostate cancer benign prostatic hyperplasia, male infertility birth defects, aging and assessment of environmental toxic agents.

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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 April 24, 1995 and granted November 9, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 24, 2015.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 24, 2017.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 24, 1995
GrantedNovember 9, 1999
Term endedApril 24, 2015
Patent numberCA 2187099 C
Classification (IPC)C12N5/10 +2 more

Timeline

Timeline From CIPO dates

1996199820002002200420062008201020122014Application filedApril 24, 1995Patent grantedNov 9, 1999Term endedApril 24, 2015

Sources & verification

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