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The patent EP2997036 was granted to Medimmune on Mar 3, 2021. The application was filed on May 13, 2014 under application number EP14797310A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| GLAXOSMITHKLINE | Dec 3, 2021 | BELL | ADMISSIBLE |
| OETKE | Dec 3, 2021 | WALLINGER RICKER SCHLOTTER TOSTMANN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP2578286 |
| INTERNATIONAL-SEARCH-REPORT | US2012101262 |
| INTERNATIONAL-SEARCH-REPORT | US7807799 |
| INTERNATIONAL-SEARCH-REPORT | WO2010141039 |
| INTERNATIONAL-SEARCH-REPORT | WO2014066468 |
| INTERNATIONAL-SEARCH-REPORT | WO2014133460 |
| OPPOSITION | WO2011073389 |
| OPPOSITION | WO2014141150 |
| OPPOSITION | WO2014186350 |
| OTHER | WO2014141150 |
| SEARCH | WO2015166072 |
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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Nov 18, 2025
Nov 18, 2025
Apr 30, 2025
Apr 29, 2025
Apr 17, 2025
Apr 16, 2025
(Electronic) Receipt
Appeal
Apr 16, 2025
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Apr 4, 2025
(Electronic) Receipt
Appeal
Apr 4, 2025
Mar 28, 2025
Mar 25, 2025
(Electronic) Receipt
Appeal
Mar 25, 2025
Mar 25, 2025
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Sep 3, 2024
Sep 2, 2024
(Electronic) Receipt
Appeal
Sep 2, 2024
Sep 2, 2024
Aug 1, 2024
Aug 1, 2024
Jul 29, 2024
Mar 27, 2024
Jan 26, 2024
Jan 25, 2024
(Electronic) Receipt
Appeal
Jan 25, 2024
Jan 25, 2024
Jan 25, 2024
Jan 25, 2024
Reply to appeal
Appeal
Sep 18, 2023
Sep 18, 2023
Sep 13, 2023
(Electronic) Receipt
Appeal
Sep 13, 2023
Sep 13, 2023
Jul 3, 2023
Jun 29, 2023
(Electronic) Receipt
Appeal
Jun 29, 2023
Jun 29, 2023
Notice of appeal
Appeal
May 12, 2023
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Means of redress
OPPO
May 4, 2023
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Mar 15, 2021
Feb 22, 2021
Feb 4, 2021
Decision to grant a European patent
Search/Exam
Jan 29, 2021
Observations by third parties
Search/Exam
Jan 29, 2021
Observations by third parties
Search/Exam
Jan 20, 2021
(Electronic) Receipt
Search/Exam
Jan 20, 2021
Filing of the translations of the claims
Search/Exam
Jan 20, 2021
French translation of claims
Search/Exam
Jan 20, 2021
German translation of the claims
Search/Exam
Jan 20, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 2, 2020
Oct 2, 2020
Oct 2, 2020
Intention to grant (signatures)
Search/Exam
Oct 2, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 2, 2020
Text intended for grant (sequence listing)
Search/Exam
Oct 2, 2020
Jul 27, 2020
(Electronic) Receipt
Search/Exam
Jul 27, 2020
Amended claims with annotations
Search/Exam
Jul 27, 2020
Claims
Search/Exam
Jul 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 27, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Intention to grant (signatures)
Search/Exam
Mar 31, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 31, 2020
Mar 9, 2020
Examination started
Search/Exam
Jun 4, 2018
Aug 8, 2017
Aug 2, 2017
May 11, 2017
(Electronic) Receipt
Search/Exam
May 11, 2017
May 11, 2017
Amended claims with annotations
Search/Exam
May 11, 2017
Amendments received before examination
Search/Exam
May 11, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 17, 2016
Oct 31, 2016
Oct 31, 2016
European search opinion
Search/Exam
Oct 31, 2016
Information on Search Strategy
Search/Exam
Oct 31, 2016
Supplementary European search report
Search/Exam
Oct 21, 2016
Search started
Search/Exam
Jul 14, 2016
(Electronic) Receipt
Search/Exam
Jul 14, 2016
Jul 14, 2016
Amended claims with annotations
Search/Exam
Jul 14, 2016
Amendments received before examination
Search/Exam
Jul 14, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 24, 2016
Jan 22, 2016
Jan 13, 2016
Communication to designated inventor
Search/Exam
Jan 13, 2016
Communication to designated inventor
Search/Exam
Jan 13, 2016
Communication to designated inventor
Search/Exam
Jan 13, 2016
Communication to designated inventor
Search/Exam
Jan 13, 2016
Communication to designated inventor
Search/Exam
Dec 14, 2015
(Electronic) Receipt
Search/Exam
Dec 14, 2015
Converted Sequence Listing
Search/Exam
Dec 14, 2015
Request for entry into the European phase
Search/Exam
Dec 1, 2015
Sep 25, 2015
Information on entry into European phase
Search/Exam
Dec 8, 2014
Nov 20, 2014
Converted Sequence Listing
Search/Exam
Nov 20, 2014
Copy of the international search report
Search/Exam
Nov 20, 2014
Published international application - A1
Search/Exam