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Expired European patentEurope

Simplified dual damascene process for multilevel metallization and interconnection structure

EP 0761014 B1 · Applicant: ADVANCED MICRO DEVICES 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 September 25, 1995 and granted July 9, 2003. A European patent lasts at most 20 years from filing, so its term ended September 25, 2015.
  • 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 March 25, 2021.
  • 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.
FiledSeptember 25, 1995
PublishedMarch 12, 1997
GrantedJuly 9, 2003
Term endedSeptember 25, 2015
Application numberEP 95935091
Classification (CPC)H10W20/084 +2 more

Timeline

Timeline From EPO dates

1996199820002002200420062008201020122014Application filedSep 25, 1995PublishedMarch 12, 1997Patent grantedJuly 9, 2003Term endedSep 25, 2015

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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