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Expired European patentEurope

Method, system and apparatus for managing computer identity

EP 1589691 B1 · Applicant: MICROSOFT CORPORATION

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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.

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Why it's free to use

  • Filed April 6, 2005 and granted May 14, 2008. A European patent lasts at most 20 years from filing, so its term ended April 6, 2025.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • 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.
FiledApril 6, 2005
PublishedOctober 26, 2005
GrantedMay 14, 2008
Term endedApril 6, 2025
Application numberEP 05102691
Classification (CPC)H04L41/12

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedApril 6, 2005PublishedOct 26, 2005Patent grantedMay 14, 2008Term endedApril 6, 2025

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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