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The patent EP3146339 was granted to Oxford University Innovation on May 31, 2023. The application was filed on May 12, 2015 under application number EP15724000A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| EUROIMMUN MEDIZINISCHE LABORDIAGNOSTIKA | Sep 12, 2019 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1292676 |
| OPPOSITION | EP1292676 |
| OPPOSITION | WO2015055776 |
The 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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May 8, 2023
May 8, 2023
Apr 28, 2023
Apr 12, 2023
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Oct 11, 2022
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Description
OPPO
Sep 22, 2022
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Jun 15, 2022
Jun 15, 2022
Refund of fees
Search/Exam
Jun 14, 2022
Jun 14, 2022
Jun 2, 2022
May 31, 2022
(Electronic) Receipt
Appeal
May 31, 2022
May 31, 2022
May 31, 2022
Withdrawal of an appeal
Appeal
Apr 21, 2022
Apr 21, 2022
Apr 11, 2022
(Electronic) Receipt
Appeal
Apr 11, 2022
Apr 11, 2022
Notice of appeal
Appeal
Feb 3, 2022
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Means of redress
OPPO
Jan 31, 2022
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Jan 14, 2019
Dec 6, 2018
Decision to grant a European patent
Search/Exam
Nov 26, 2018
(Electronic) Receipt
Search/Exam
Nov 26, 2018
Filing of the translations of the claims
Search/Exam
Nov 26, 2018
French translation of claims
Search/Exam
Nov 26, 2018
German translation of the claims
Search/Exam
Nov 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 26, 2018
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Intention to grant (signatures)
Search/Exam
Jul 26, 2018
Text intended for grant (clean copy)
Search/Exam
Jul 26, 2018
Text intended for grant (sequence listing)
Search/Exam
Jul 26, 2018
Jun 20, 2018
Jun 8, 2018
Observations by third parties
Search/Exam
Feb 21, 2018
(Electronic) Receipt
Search/Exam
Feb 21, 2018
Amended claims with annotations
Search/Exam
Feb 21, 2018
Claims
Search/Exam
Feb 21, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 21, 2018
Oct 11, 2017
Annex to the communication
Search/Exam
Oct 11, 2017
Communication from the Examining Division
Search/Exam
Oct 5, 2017
Examination started
Search/Exam
Aug 7, 2017
(Electronic) Receipt
Search/Exam
Aug 7, 2017
Aug 7, 2017
Amended claims with annotations
Search/Exam
Aug 7, 2017
Amendments received before examination
Search/Exam
Aug 7, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 5, 2017
Jun 12, 2017
Jun 7, 2017
Jun 6, 2017
Mar 1, 2017
Feb 7, 2017
Jan 27, 2017
Jan 25, 2017
Communication to designated inventor
Search/Exam
Jan 25, 2017
Communication to designated inventor
Search/Exam
Jan 25, 2017
Communication to designated inventor
Search/Exam
Jan 25, 2017
Dec 22, 2016
(Electronic) Receipt
Search/Exam
Dec 22, 2016
Matter concerning the application
Search/Exam
Dec 22, 2016
Request for entry into the European phase
Search/Exam
Dec 12, 2016
Sep 30, 2016
Information on entry into European phase
Search/Exam
Aug 2, 2016
Aug 2, 2016
Notification of the recording of a change
Search/Exam
Dec 14, 2015
Nov 26, 2015
Converted Sequence Listing
Search/Exam
Nov 26, 2015
Copy of the international search report
Search/Exam
Nov 26, 2015
Published international application - A1
Search/Exam
Jul 22, 2015
Jul 22, 2015
Jul 22, 2015
Jul 9, 2015
May 22, 2015
Abstract
PCTISA
May 22, 2015
Claims
PCTISA
May 22, 2015
Description
PCTISA
May 22, 2015
Drawings
PCTISA