Patent details
EP3749833 Title: DOWNHOLE DETECTION
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Unitary Effect
- Unitary Effect Requested:
- Yes
- Unitary Effect Request Filing Date:
- 17/05/2024
- Unitary Effect Status:
- Unitary Effect Registered
- Request Unitary Effect Accepted:
- 28/05/2024
- Unitary Effect Date:
- 17/04/2024
- Unitary Effect Registration Date:
- 28/05/2024
- Request Unitary Effect Rejected:
- Unitary Effect Re-establishment of rights Filing Date:
- Unitary Effect Re-establishment of rights EPO Decision :
- Unitary Effect Re-establishment of rights EPO Decision Date:
- Unitary Effect Request Withdrawal Date:
- Unitary Effect request has been accepted, please see the UPP register at the EPO for up-to-date information
- UPP register:
- EP3749833
- SPC Number:
- Creation Date:
Basic Information
- Publication number:
- EP3749833
- WO Application Number:
- GB2019050336
- Type:
- European Patent Granted for NL
- Status:
- Unitary Effect Registered
- Publication Title:
- Title When Made Available For Viewing:
- Reason Lapsed:
- Application number:
- EP19712003.3
- WO Publication Number:
- WO2019155218
- EPO Publication Language:
- English
- SPC Number:
- First Applicant Residence Country:
- United Kingdom (GB)
- Publications:
Dates
- Filing date:
- 07/02/2019
- Grant date:
- 17/04/2024
- EP Publication Date:
- 16/12/2020
- WO Publication Date:
- 15/08/2019
- Claims Translations Received Date:
- Claims Translation B1 Received Date:
- Claims Translation B2 Received Date:
- Claims Translation B3 Received Date:
- Lapsed By Non Payment Annual Fee Date:
- Renunciation Date:
- NullificationDate:
- Published:
- Due To Cession Date:
- Registration date:
- 17/04/2024
- EP B1 Publication Date:
- 17/04/2024
- EP B2 Publication Date:
- EP B3 Publication Date:
- Description Translation B1 Received Date:
- Description Translation B2 Received Date:
- Description Translation B3 Received Date:
- Expiration date:
- 06/02/2039
- Lapsed By Expiration Date:
- Revocation Date:
- Invalidity Date:
- Response To Novelty Search Report Received:
- Patent Granting Request:
- Lapsed date:
Applicant/holder
- From:
- 17/04/2024
- Name:
- Welldata (Subsurface Surveillance Systems) Ltd.
- Address:
- Middlefoodie House Dairsie, Cupar, Fife KY15 4RT, United Kingdom (GB)
Inventor
- Name:
- LITTLEFORD, Sydney Joseph
- Address:
- Dairsie, Fife KY15 4RT, United Kingdom (GB)
Priority
1
- Priority Patent Number:
- 201814680
- Priority Date:
- 10/09/2018
- Priority Country:
- United Kingdom (GB)
2
- Priority Patent Number:
- 201802054
- Priority Date:
- 08/02/2018
- Priority Country:
- United Kingdom (GB)
Classification
- IPC or IDT classification:
- E21B 33/068; E21B 47/04; E21B 47/12;
Publication
Bulletin
1
- Bulletin Heading:
- UP1
- Journal edition number:
- 26/24
- Publication date:
- 26/06/2024
- Description:
- European patents with registered Unitary Effect
2
- Bulletin Heading:
- EP2
- Journal edition number:
- 16/24
- Publication date:
- 17/04/2024
- Description:
- European patents granted for the Netherlands
European Patent Bulletin
1
- Issue number:
- 202426
- Publication date:
- 26/06/2024
- Description:
- Unitary Effect Request Receipt
2
- Issue number:
- 202426
- Publication date:
- 26/06/2024
- Description:
- Unitary Effect Request Acceptance
3
- Issue number:
- 202416
- Publication date:
- 17/04/2024
- Description:
- Grant (B1)
Annual Fee
- Annual Fee(s) Due Date:
- Annual Fee Number:
- Last Annual Payment Date:
- Last Annual Fee Paid Number:
- Payer:
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