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The patent EP3241435 was granted to Kymab on May 26, 2021. The application was filed on Jul 7, 2010 under application number EP17174426A. 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 |
|---|---|---|---|
| REGENERON PHARMACEUTICALS | Feb 25, 2022 | J A KEMP | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | WO02066630 |
| OPPOSITION | WO2009076464 |
| OPPOSITION | WO2010039900 |
| SEARCH | US2006015957 |
| SEARCH | WO02066630 |
| SEARCH | WO2007117410 |
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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Jun 9, 2021
Apr 30, 2021
Decision to grant a European patent
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Apr 19, 2021
(Electronic) Receipt
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Apr 19, 2021
Filing of the translations of the claims
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Apr 19, 2021
French translation of claims
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Apr 19, 2021
German translation of the claims
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Apr 19, 2021
Letter accompanying subsequently filed items
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Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Text intended for grant (clean copy)
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Mar 16, 2021
Mar 15, 2021
Intention to grant (signatures)
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Nov 23, 2020
(Electronic) Receipt
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Nov 23, 2020
Amended claims with annotations
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Nov 23, 2020
Amended description with annotations
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Nov 23, 2020
Claims
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Nov 23, 2020
Description
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Nov 23, 2020
Letter accompanying subsequently filed items
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Nov 23, 2020
Nov 16, 2020
Annex to the communication
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Nov 16, 2020
Communication from the Examining Division
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Oct 13, 2020
Oct 13, 2020
Oct 7, 2020
(Electronic) Receipt
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Oct 7, 2020
Letter accompanying subsequently filed items
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Oct 7, 2020
Non-patent literature filed by a third party
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Oct 7, 2020
Observations by third parties
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Oct 1, 2020
(Electronic) Receipt
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Oct 1, 2020
Letter accompanying subsequently filed items
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Oct 1, 2020
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Aug 18, 2020
(Electronic) Receipt
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Aug 18, 2020
Letter accompanying subsequently filed items
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Aug 18, 2020
Observations by third parties
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Aug 6, 2020
(Electronic) Receipt
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Aug 6, 2020
Amended claims with annotations
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Aug 6, 2020
Amended description with annotations
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Aug 6, 2020
Claims
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Aug 6, 2020
Description
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Aug 6, 2020
Letter accompanying subsequently filed items
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Aug 6, 2020
May 29, 2020
May 26, 2020
(Electronic) Receipt
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May 26, 2020
Letter accompanying subsequently filed items
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May 26, 2020
Feb 5, 2020
Annex to the communication
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Feb 5, 2020
Communication from the Examining Division
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Nov 8, 2019
Nov 8, 2019
Oct 31, 2019
(Electronic) Receipt
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Oct 31, 2019
Letter accompanying subsequently filed items
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Oct 31, 2019
Observations by third parties
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Oct 21, 2019
(Electronic) Receipt
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Oct 21, 2019
Amended claims with annotations
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Oct 21, 2019
Claims
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Oct 21, 2019
Letter accompanying subsequently filed items
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Oct 21, 2019
Aug 9, 2019
Aug 2, 2019
(Electronic) Receipt
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Aug 2, 2019
Letter accompanying subsequently filed items
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Aug 2, 2019
Apr 11, 2019
Annex to the communication
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Apr 11, 2019
Communication from the Examining Division
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Feb 18, 2019
Feb 18, 2019
Feb 11, 2019
(Electronic) Receipt
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Feb 11, 2019
Letter accompanying subsequently filed items
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Feb 11, 2019
Non-patent literature filed by a third party
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Feb 11, 2019
Observations by third parties
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Jan 29, 2019
(Electronic) Receipt
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Jan 29, 2019
Amended claims with annotations
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Jan 29, 2019
Claims
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Jan 29, 2019
Letter accompanying subsequently filed items
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Jan 29, 2019
Jan 29, 2019
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Dec 12, 2018
Refund of fees
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Dec 12, 2018
Refund of fees
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Oct 19, 2018
Oct 16, 2018
(Electronic) Receipt
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Oct 16, 2018
Letter accompanying subsequently filed items
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Oct 16, 2018
Sep 4, 2018
Jul 19, 2018
Annex to the communication
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Jul 19, 2018
Communication from the Examining Division
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Jul 13, 2018
Examination started
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Jul 3, 2018
Jul 3, 2018
Jun 27, 2018
(Electronic) Receipt
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Jun 27, 2018
Citation filed by a third party
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Jun 27, 2018
Letter accompanying subsequently filed items
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Jun 27, 2018
Non-patent literature filed by a third party
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Jun 27, 2018
Observations by third parties
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May 24, 2018
May 15, 2018
(Electronic) Receipt
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May 15, 2018
Letter accompanying subsequently filed items
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May 15, 2018
Letter concerning the inventor
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May 9, 2018
(Electronic) Receipt
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May 9, 2018
May 9, 2018
Amended description with annotations
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May 9, 2018
Amendments received before examination
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May 9, 2018
Letter accompanying subsequently filed items
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May 8, 2018
(Electronic) Receipt
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May 8, 2018
May 8, 2018
Amended claims with annotations
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May 8, 2018
Amendments received before examination
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May 8, 2018
Letter accompanying subsequently filed items
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May 3, 2018
Apr 25, 2018
Letter which had not been notified
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Nov 13, 2017
Oct 25, 2017
Oct 19, 2017
Oct 11, 2017
Notification of forthcoming publication
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Sep 27, 2017
Refund of fees
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Sep 14, 2017
Sep 14, 2017
European search opinion
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Sep 14, 2017
European search report
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Sep 14, 2017
Information on Search Strategy
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Sep 4, 2017
Search started
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Jul 28, 2017
Communication to designated inventor
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Jul 28, 2017
Communication to designated inventor
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Jul 28, 2017
Communication to designated inventor
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Jul 28, 2017
Communication to designated inventor
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Jun 5, 2017
Abstract
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Jun 5, 2017
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Claims
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Jun 5, 2017
Description
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Jun 5, 2017
Designation of inventor
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Jun 5, 2017
Drawings
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Jun 5, 2017
Matter concerning the application
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Jun 5, 2017
Request for grant of a European patent
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