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Expired European patentEurope

Use of 5-ht4-receptor antagonists in the treatment of atrial fibrillation, including the prevention of stroke

EP 0526540 B1 · Applicant: SMITH KLINE & FRENCH LABORATORIES LIMITED

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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 24, 1991 and granted June 30, 1999. A European patent lasts at most 20 years from filing, so its term ended April 24, 2011.
  • 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 October 24, 2016.
  • 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 24, 1991
PublishedFebruary 10, 1993
GrantedJune 30, 1999
Term endedApril 24, 2011
Application numberEP 91908623
Classification (CPC)A61K31/00 +2 more

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedApril 24, 1991PublishedFeb 10, 1993Patent grantedJune 30, 1999Term endedApril 24, 2011

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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