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Expired European patentEurope

Method for improving the gene transfer of genetic material in mammalian cells through the use of p21 (waf-1)

EP 1097234 B1 · Applicant: MAX-DELBRÜCK-CENTRUM FÜR MOLEKULARE MEDIZIN

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

Why it's free to use

  • Filed July 12, 1999 and granted April 6, 2005. A European patent lasts at most 20 years from filing, so its term ended July 12, 2019.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by January 12, 2025.
  • We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledJuly 12, 1999
PublishedMay 9, 2001
GrantedApril 6, 2005
Term endedJuly 12, 2019
Application numberEP 99947210
Classification (CPC)C12N15/86 +1 more

Timeline

Timeline From EPO dates

2000200220042006200820102012201420162018Application filedJuly 12, 1999PublishedMay 9, 2001Patent grantedApril 6, 2005Term endedJuly 12, 2019

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