The patent EP3297750 was granted to Oxford Nanopore on Apr 7, 2021. The application was originally filed on May 20, 2016 under application number EP16727070A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number | 
|---|---|
| EXAMINATION | JP2015197385 | 
| EXAMINATION | WO2015152003 | 
| INTERNATIONAL-SEARCH-REPORT | KR20120000520 | 
| INTERNATIONAL-SEARCH-REPORT | WO2013167952 | 
| OPPOSITION | EP3227228 | 
| OPPOSITION | KR20120000520 | 
| OPPOSITION | US2012234679 | 
| OPPOSITION | US2014262820 | 
| OPPOSITION | WO2013167952 | 
| OPPOSITION | WO2013167955 | 
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
Get a free citation report including examiner, opposition, and international search citations.
Get Citation ReportThe dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.
Date
Description
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Oct 14, 2025
Refund of fees
Appeal
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 7, 2025
Oct 6, 2025
(Electronic) Receipt
Appeal
Oct 6, 2025
Oct 6, 2025
Withdrawal of an appeal
Appeal
Sep 8, 2025
Sep 8, 2025
Jul 28, 2025
Jul 28, 2025
Jul 23, 2025
Jul 23, 2025
Jul 17, 2025
Jul 14, 2025
(Electronic) Receipt
Appeal
Jul 14, 2025
Jul 14, 2025
Reply to appeal
Appeal
Mar 13, 2025
Mar 7, 2025
(Electronic) Receipt
Appeal
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Jan 21, 2025
Jan 13, 2025
Jan 13, 2025
Jan 7, 2025
(Electronic) Receipt
Appeal
Jan 7, 2025
Notice of appeal
Appeal
Jan 7, 2025
Notice of appeal
Appeal
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
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Means of redress
OPPO
Nov 8, 2024
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Aug 3, 2022
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Jul 27, 2022
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Jul 27, 2022
Jul 7, 2022
Jun 22, 2022
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Authorisation
OPPO
Jun 22, 2022
Jun 22, 2022
Jun 7, 2022
Jun 7, 2022
May 27, 2022
May 27, 2022
May 27, 2022
May 27, 2022
Jan 19, 2022
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Jan 7, 2022
Dec 23, 2021
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Dec 23, 2021
Dec 23, 2021
May 18, 2021
May 18, 2021
May 12, 2021
(Electronic) Receipt
Search/Exam
May 12, 2021
General authorisation
Search/Exam
May 12, 2021
Letter accompanying subsequently filed items
Search/Exam
May 12, 2021
May 12, 2021
May 10, 2021
(Electronic) Receipt
Search/Exam
May 10, 2021
(Electronic) Receipt
Search/Exam
May 10, 2021
Annexes in respect of a client data request
Search/Exam
May 10, 2021
Authorisation
Search/Exam
May 10, 2021
Letter accompanying subsequently filed items
Search/Exam
May 10, 2021
Letter accompanying subsequently filed items
Search/Exam
May 10, 2021
May 10, 2021
May 3, 2021
Apr 22, 2021
(Electronic) Receipt
Search/Exam
Apr 22, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 22, 2021
Apr 20, 2021
Mar 12, 2021
Decision to grant a European patent
Search/Exam
Mar 3, 2021
Feb 18, 2021
(Electronic) Receipt
Search/Exam
Feb 18, 2021
Annexes in respect of a client data request
Search/Exam
Feb 18, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 18, 2021
Dec 1, 2020
Nov 18, 2020
(Electronic) Receipt
Search/Exam
Nov 18, 2020
Annexes in respect of a client data request
Search/Exam
Nov 18, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 18, 2020
Oct 8, 2020
Oct 8, 2020
Oct 8, 2020
Oct 5, 2020
Sep 30, 2020
(Electronic) Receipt
Search/Exam
Sep 30, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 30, 2020
Sep 17, 2020
Extension of time limit granted
Search/Exam
Sep 9, 2020
(Electronic) Receipt
Search/Exam
Sep 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 9, 2020
Request for a decision
Search/Exam
Sep 1, 2020
Jul 7, 2020
Invitation to file an authorisation
Search/Exam
Jun 29, 2020
(Electronic) Receipt
Search/Exam
Jun 29, 2020
French translation of claims
Search/Exam
Jun 29, 2020
German translation of the claims
Search/Exam
Jun 29, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 29, 2020
Mar 30, 2020
Mar 30, 2020
Mar 30, 2020
Mar 30, 2020
Mar 30, 2020
Mar 30, 2020
Intention to grant (signatures)
Search/Exam
Mar 30, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 30, 2020
Feb 21, 2020
Examination started
Search/Exam
Nov 12, 2018
Decision to allow further processing
Search/Exam
Oct 30, 2018
(Electronic) Receipt
Search/Exam
Oct 30, 2018
Oct 30, 2018
Amended claims with annotations
Search/Exam
Oct 30, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 30, 2018
Request for further processing
Search/Exam
Aug 23, 2018
Aug 23, 2018
Claim deemed abandoned
Search/Exam
Feb 28, 2018
Jan 4, 2018
Jan 2, 2018
Communication to designated inventor
Search/Exam
Jan 2, 2018
Communication to designated inventor
Search/Exam
Jan 2, 2018
Communication to designated inventor
Search/Exam
Dec 5, 2017
Nov 14, 2017
(Electronic) Receipt
Search/Exam
Nov 14, 2017
Matter concerning the application
Search/Exam
Nov 14, 2017
Request for entry into the European phase
Search/Exam
Sep 29, 2017
Information on entry into European phase
Search/Exam
Dec 12, 2016
Nov 24, 2016
Copy of the international search report
Search/Exam
Nov 24, 2016
Published international application - A1
Search/Exam
Nov 4, 2016
ISR: cited documents
PCTISA
Oct 31, 2016
Annex to a communication
Search/Exam
Oct 31, 2016
Oct 31, 2016
Oct 31, 2016
Sep 1, 2016
Sep 1, 2016
Aug 3, 2016
Aug 3, 2016
Jun 17, 2016
Jun 6, 2016
Abstract
PCTISA
Jun 6, 2016
Annex
PCTISA
Jun 6, 2016
Claims
PCTISA
Jun 6, 2016
Description
PCTISA
Jun 6, 2016
Drawings
PCTISA
Jun 6, 2016
Jun 6, 2016
Jun 6, 2016
Jun 6, 2016
Jun 6, 2016