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Expired European patentEurope

System and method for permission-based access using a shared account

EP 1836639 B1 · Applicant: Citrix Systems, Inc.

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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 January 13, 2006 and granted October 30, 2013. A European patent lasts at most 20 years from filing, so its term ended January 13, 2026.
  • 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.
FiledJanuary 13, 2006
PublishedSeptember 26, 2007
GrantedOctober 30, 2013
Term endedJanuary 13, 2026
Application numberEP 06718472
Classification (CPC)G06F21/335

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedJan 13, 2006PublishedSep 26, 2007Patent grantedOct 30, 2013Term endedJan 13, 2026

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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