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The patent EP3418379 was granted to Kymab on Dec 9, 2020. The application was filed on Sep 18, 2014 under application number EP18174860A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| REGENERON PHARMACEUTICALS | Dec 9, 2020 | STEINECKE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2013041846 |
| EXAMINATION | WO2013061078 |
| EXAMINATION | WO2013176772 |
| OTHER | EP1456346 |
| OTHER | EP1572862 |
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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Jul 26, 2023
Refund of fees
Search/Exam
Jul 25, 2023
Jul 24, 2023
Jul 24, 2023
Jul 19, 2023
Jul 4, 2023
Jul 3, 2023
(Electronic) Receipt
Appeal
Jul 3, 2023
Jul 3, 2023
Withdrawal of an appeal
Appeal
May 23, 2023
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May 17, 2023
(Electronic) Receipt
Appeal
May 17, 2023
May 17, 2023
Notice of appeal
Appeal
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Means of redress
OPPO
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Decision to grant a European patent
Search/Exam
Oct 27, 2020
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(Electronic) Receipt
Search/Exam
Jul 20, 2020
Filing of the translations of the claims
Search/Exam
Jul 20, 2020
French translation of claims
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Jul 20, 2020
German translation of the claims
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Jul 20, 2020
Letter accompanying subsequently filed items
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Jul 15, 2020
(Electronic) Receipt
Search/Exam
Jul 15, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 15, 2020
Non-patent literature filed by a third party
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Jul 15, 2020
Non-patent literature filed by a third party
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Jul 15, 2020
Non-patent literature filed by a third party
Search/Exam
Jul 15, 2020
Observations by third parties
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Jun 19, 2020
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Intention to grant (signatures)
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Jun 19, 2020
Text intended for grant (clean copy)
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Jun 19, 2020
Text intended for grant (sequence listing)
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Jun 19, 2020
May 22, 2020
(Electronic) Receipt
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May 22, 2020
Amended claims with annotations
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May 22, 2020
Amended description with annotations
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May 22, 2020
Annex
Search/Exam
May 22, 2020
Claims
Search/Exam
May 22, 2020
Description
Search/Exam
May 22, 2020
Letter accompanying subsequently filed items
Search/Exam
May 22, 2020
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May 12, 2020
Annex to the communication
Search/Exam
May 12, 2020
Communication from the Examining Division
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May 5, 2020
Examination started
Search/Exam
Aug 6, 2019
(Electronic) Receipt
Search/Exam
Aug 6, 2019
Aug 6, 2019
Amended claims with annotations
Search/Exam
Aug 6, 2019
Amendments received before examination
Search/Exam
Aug 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 18, 2019
Jan 15, 2019
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European search opinion
Search/Exam
Jan 15, 2019
European search report
Search/Exam
Jan 15, 2019
Information on Search Strategy
Search/Exam
Nov 28, 2018
Notification of forthcoming publication
Search/Exam
Oct 15, 2018
Oct 15, 2018
Information on Search Strategy
Search/Exam
Oct 15, 2018
Partial European search report
Search/Exam
Oct 15, 2018
Oct 15, 2018
Refund of fees
Search/Exam
Oct 2, 2018
Search started
Search/Exam
Aug 10, 2018
(Electronic) Receipt
Search/Exam
Aug 10, 2018
Claims
Search/Exam
Aug 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2018
Jul 20, 2018
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Jun 11, 2018
Invitation to file claims
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May 29, 2018
Abstract
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May 29, 2018
May 29, 2018
Amended description with annotations
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May 29, 2018
Converted Sequence Listing
Search/Exam
May 29, 2018
Description
Search/Exam
May 29, 2018
Designation of inventor
Search/Exam
May 29, 2018
Drawings
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May 29, 2018
Request for grant of a European patent
Search/Exam
Apr 14, 2015
Apr 14, 2015