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Expired European patentEurope

Method for inhibiting hiv replication using il-4

EP 0656785 B1 · Applicant: SCHERING CORPORATION

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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 August 17, 1993 and granted March 11, 1998. A European patent lasts at most 20 years from filing, so its term ended August 17, 2013.
  • 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 February 17, 2019.
  • 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.
FiledAugust 17, 1993
PublishedJune 14, 1995
GrantedMarch 11, 1998
Term endedAugust 17, 2013
Application numberEP 93920000
Classification (CPC)A61P31/12 +1 more

Timeline

Timeline From EPO dates

1994199619982000200220042006200820102012Application filedAug 17, 1993PublishedJune 14, 1995Patent grantedMarch 11, 1998Term endedAug 17, 2013

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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