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The patent EP2798950 was granted to Kymab on Mar 22, 2023. The application was filed on Jul 7, 2010 under application number EP14170196A. 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 |
|---|---|---|---|
| REGENERON PHARMACEUTICALS | Jan 18, 2018 | J A KEMP | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US5859307 |
| DESCRIPTION | WO0104288 |
| DESCRIPTION | WO2007117410 |
| DESCRIPTION | WO2010039900 |
| DESCRIPTION | WO9929837 |
| OPPOSITION | EP2480676 |
| OPPOSITION | US6596541 |
| OPPOSITION | US7294754 |
| OPPOSITION | WO02066630 |
| OPPOSITION | WO2011163314 |
| SEARCH | US2006015957 |
| SEARCH | WO02066630 |
| SEARCH | WO2007117410 |
| SEARCH | WO2008070367 |
| SEARCH | WO2011163311 |
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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Feb 23, 2023
Feb 23, 2023
Feb 17, 2023
Feb 14, 2023
Feb 14, 2023
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Feb 9, 2023
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Feb 9, 2023
Nov 9, 2022
Nov 9, 2022
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Refund of fees
Appeal
Nov 7, 2022
Nov 7, 2022
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Oct 31, 2022
(Electronic) Receipt
Appeal
Oct 31, 2022
Oct 31, 2022
Oct 31, 2022
Withdrawal of an appeal
Appeal
Jul 7, 2022
(Electronic) Receipt
Appeal
Jul 7, 2022
Advice of delivery
Appeal
Jul 7, 2022
Jun 30, 2022
Jun 30, 2022
Jun 29, 2022
Jun 9, 2022
Mar 20, 2020
Mar 13, 2020
(Electronic) Receipt
Appeal
Mar 13, 2020
Mar 13, 2020
Claims
Appeal
Mar 13, 2020
Mar 13, 2020
Mar 13, 2020
Mar 13, 2020
Reply to appeal
Appeal
Jan 27, 2020
Nov 4, 2019
Oct 28, 2019
(Electronic) Receipt
Appeal
Oct 28, 2019
Oct 28, 2019
Oct 28, 2019
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Oct 18, 2019
Sep 19, 2019
Jul 15, 2019
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Means of redress
OPPO
Jun 26, 2019
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Jun 25, 2019
Processing of an appeal
Appeal
May 16, 2019
(Electronic) Receipt
Appeal
May 16, 2019
May 16, 2019
Notice of appeal
Appeal
May 6, 2019
Apr 26, 2019
Apr 23, 2019
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Claims
OPPO
Apr 23, 2019
Claims
OPPO
Apr 23, 2019
Claims
OPPO
Apr 23, 2019
Claims
OPPO
Apr 23, 2019
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Claims
OPPO
Jun 8, 2018
Claims
OPPO
Jun 8, 2018
Claims
OPPO
Jun 8, 2018
Claims
OPPO
Jun 8, 2018
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Jan 31, 2018
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Oct 25, 2017
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Apr 27, 2017
Submission concerning representation
Search/Exam
Apr 20, 2017
Mar 23, 2017
Decision to grant a European patent
Search/Exam
Mar 13, 2017
Mar 13, 2017
Mar 13, 2017
Intention to grant (signatures)
Search/Exam
Mar 13, 2017
Text intended for grant (clean copy)
Search/Exam
Mar 13, 2017
Feb 27, 2017
Jan 31, 2017
(Electronic) Receipt
Search/Exam
Jan 31, 2017
Amended claims with annotations
Search/Exam
Jan 31, 2017
Claims
Search/Exam
Jan 31, 2017
French translation of claims
Search/Exam
Jan 31, 2017
German translation of the claims
Search/Exam
Jan 31, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2017
Nov 22, 2016
Nov 22, 2016
Nov 22, 2016
Intention to grant (signatures)
Search/Exam
Nov 22, 2016
Text intended for grant (clean copy)
Search/Exam
Nov 22, 2016
Oct 11, 2016
Oct 11, 2016
Oct 4, 2016
(Electronic) Receipt
Search/Exam
Oct 4, 2016
Letter accompanying subsequently filed items
Search/Exam
Oct 4, 2016
Observations by third parties
Search/Exam
Sep 7, 2016
(Electronic) Receipt
Search/Exam
Sep 7, 2016
Amended claims with annotations
Search/Exam
Sep 7, 2016
Amended description with annotations
Search/Exam
Sep 7, 2016
Claims
Search/Exam
Sep 7, 2016
Description
Search/Exam
Sep 7, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 7, 2016
May 23, 2016
Annex to the communication
Search/Exam
May 23, 2016
Communication from the Examining Division
Search/Exam
Apr 28, 2016
(Electronic) Receipt
Search/Exam
Apr 28, 2016
Amended claims with annotations
Search/Exam
Apr 28, 2016
Claims
Search/Exam
Apr 28, 2016
Letter accompanying subsequently filed items
Search/Exam
Apr 28, 2016
Feb 5, 2016
Feb 5, 2016
Feb 2, 2016
Annex to the communication
Search/Exam
Feb 2, 2016
Communication from the Examining Division
Search/Exam
Feb 1, 2016
(Electronic) Receipt
Search/Exam
Feb 1, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2016
Observations by third parties
Search/Exam
Jan 14, 2016
(Electronic) Receipt
Search/Exam
Jan 14, 2016
Amended claims with annotations
Search/Exam
Jan 14, 2016
Claims
Search/Exam
Jan 14, 2016
Letter accompanying subsequently filed items
Search/Exam
Jan 14, 2016
Sep 23, 2015
Annex to the communication
Search/Exam
Sep 23, 2015
Communication from the Examining Division
Search/Exam
Jul 20, 2015
Jul 20, 2015
Jul 1, 2015
(Electronic) Receipt
Search/Exam
Jul 1, 2015
Letter accompanying subsequently filed items
Search/Exam
Jul 1, 2015
Non-patent literature filed by a third party
Search/Exam
Jul 1, 2015
Observations by third parties
Search/Exam
May 5, 2015
(Electronic) Receipt
Search/Exam
May 5, 2015
May 5, 2015
Amended claims with annotations
Search/Exam
May 5, 2015
Amendments received before examination
Search/Exam
May 5, 2015
Letter accompanying subsequently filed items
Search/Exam
May 5, 2015
Apr 23, 2015
Apr 17, 2015
Letter concerning the inventor
Search/Exam
Apr 17, 2015
Letter concerning the inventor
Search/Exam
Apr 17, 2015
Nov 10, 2014
Oct 15, 2014
Refund of fees
Search/Exam
Oct 8, 2014
Oct 8, 2014
European search opinion
Search/Exam
Oct 8, 2014
European search report
Search/Exam
Oct 8, 2014
Notification of forthcoming publication
Search/Exam
Sep 4, 2014
Search started
Search/Exam
Jul 21, 2014
Communication to designated inventor
Search/Exam
Jul 21, 2014
Communication to designated inventor
Search/Exam
Jul 21, 2014
Communication to designated inventor
Search/Exam
Jul 21, 2014
Communication to designated inventor
Search/Exam
May 28, 2014
Abstract
Search/Exam
May 28, 2014
May 28, 2014
Claims
Search/Exam
May 28, 2014
Description
Search/Exam
May 28, 2014
Designation of inventor
Search/Exam
May 28, 2014
Designation of inventor
Search/Exam
May 28, 2014
Designation of inventor
Search/Exam
May 28, 2014
Designation of inventor
Search/Exam
May 28, 2014
Drawings
Search/Exam
May 28, 2014
Request for grant of a European patent
Search/Exam
May 28, 2014
Submission concerning representation
Search/Exam
Feb 3, 2011
Feb 3, 2011
Feb 3, 2011
Feb 3, 2011