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Expired European patentEurope

System and method for wireless communication in a producing well system

EP 1812683 B1 · Applicant: Well Technology AS

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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 October 11, 2005 and granted April 20, 2011. A European patent lasts at most 20 years from filing, so its term ended October 11, 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.
FiledOctober 11, 2005
PublishedAugust 1, 2007
GrantedApril 20, 2011
Term endedOctober 11, 2025
Application numberEP 05797363
Classification (CPC)G01V11/002 +1 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedOct 11, 2005PublishedAug 1, 2007Patent grantedApril 20, 2011Term endedOct 11, 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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