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Expired European patentEurope

Apparatus and method for employing cryptographic functions to generate a message digest

EP 1596530 B1 · Applicant: VIA Technologies, 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 April 14, 2005 and granted July 2, 2008. A European patent lasts at most 20 years from filing, so its term ended April 14, 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 14, 2005
PublishedNovember 16, 2005
GrantedJuly 2, 2008
Term endedApril 14, 2025
Application numberEP 05252311
Classification (CPC)H04L9/0643 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedApril 14, 2005PublishedNov 16, 2005Patent grantedJuly 2, 2008Term endedApril 14, 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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