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Expired European patentEurope

Fpga configurable logic block with multi-purpose logic/memory circuit

EP 1163725 B1 · Applicant: Xilinx, Inc.

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Overview

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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 21, 1999 and granted November 27, 2002. A European patent lasts at most 20 years from filing, so its term ended September 21, 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 March 21, 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.
FiledSeptember 21, 1999
PublishedDecember 19, 2001
GrantedNovember 27, 2002
Term endedSeptember 21, 2019
Application numberEP 99973723
Classification (CPC)H03K19/1737 +2 more

Timeline

Timeline From EPO dates

2000200220042006200820102012201420162018Application filedSep 21, 1999PublishedDec 19, 2001Patent grantedNov 27, 2002Term endedSep 21, 2019

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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