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Expired Canadian patentCanada

Massive parallel method for decoding dna and rna

CA 2425112 C · Owner: Itagaki, Yasuhiro · Inventors: Ju, Jingyue; Edwards, John Robert; Li, Zengmin

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Abstract From the Canadian patent

This invention provides methods for attaching a nucleic acid to a solid surface and for , sequencing nucleic acid by detecting the identity of each nucleotide analogue after the , nucleotide analogue is incorporated into a growing strand of DNA in a polymerase reaction. , The invention also provides nucleotide analogues which comprise unique labels attached to , the nucleotide analogue through a cleavable linker and a cleavable chemical , group to cap the -OH group at the 3'-position of the deoxyribose.

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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 5, 2001 and granted September 27, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 5, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 5, 2023.
  • 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 5, 2001
GrantedSeptember 27, 2011
Term endedOctober 5, 2021
Patent numberCA 2425112 C
Classification (IPC)C07H19/20 +2 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedOct 5, 2001Patent grantedSep 27, 2011Term endedOct 5, 2021

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