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The patent EP2917735 was granted to UMC Utrecht Holding on Sep 22, 2021. The application was filed on Nov 8, 2013 under application number EP13788993A. 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 |
|---|---|---|---|
| DRK BLUTSPENDEDIENST BADEN WURTTEMBERG HESSEN GEMEINNUTZIGE | Apr 12, 2019 | WITTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2011135617 |
| OPPOSITION | EP2917735 |
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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Aug 26, 2021
Aug 26, 2021
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Aug 13, 2021
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May 27, 2021
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May 19, 2021
Apr 8, 2021
Refund of fees
Search/Exam
Apr 6, 2021
Apr 6, 2021
Mar 22, 2021
Mar 9, 2021
Withdrawal of an appeal
Appeal
Feb 26, 2021
Feb 26, 2021
Feb 18, 2021
(Electronic) Receipt
Appeal
Feb 18, 2021
Notice of appeal
Appeal
Dec 15, 2020
Dec 10, 2020
Dec 8, 2020
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Means of redress
OPPO
Dec 8, 2020
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Authorisation
OPPO
Sep 4, 2020
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Aug 18, 2020
Authorisation
OPPO
Aug 18, 2020
Jul 17, 2020
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Claims
OPPO
Sep 16, 2019
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Jul 30, 2018
Jun 21, 2018
Decision to grant a European patent
Search/Exam
Jun 8, 2018
(Electronic) Receipt
Search/Exam
Jun 8, 2018
Filing of the translations of the claims
Search/Exam
Jun 8, 2018
French translation of claims
Search/Exam
Jun 8, 2018
German translation of the claims
Search/Exam
Jun 8, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 12, 2018
Apr 12, 2018
Apr 12, 2018
Intention to grant (signatures)
Search/Exam
Apr 12, 2018
Text intended for grant (clean copy)
Search/Exam
Apr 12, 2018
Jan 9, 2018
(Electronic) Receipt
Search/Exam
Jan 9, 2018
Amended claims with annotations
Search/Exam
Jan 9, 2018
Amended claims with annotations
Search/Exam
Jan 9, 2018
Amended claims with annotations
Search/Exam
Jan 9, 2018
Amended claims with annotations
Search/Exam
Jan 9, 2018
Claims
Search/Exam
Jan 9, 2018
Claims
Search/Exam
Jan 9, 2018
Claims
Search/Exam
Jan 9, 2018
Claims
Search/Exam
Jan 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 9, 2018
Nov 2, 2017
Annex to the communication
Search/Exam
Nov 2, 2017
Communication from the Examining Division
Search/Exam
Jul 28, 2017
(Electronic) Receipt
Search/Exam
Jul 28, 2017
Amended claims with annotations
Search/Exam
Jul 28, 2017
Amended description with annotations
Search/Exam
Jul 28, 2017
Claims
Search/Exam
Jul 28, 2017
Description
Search/Exam
Jul 28, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 28, 2017
Mar 28, 2017
Annex to a communication
Search/Exam
Mar 28, 2017
Annex to the communication
Search/Exam
Mar 28, 2017
Mar 28, 2017
Nov 30, 2016
(Electronic) Receipt
Search/Exam
Nov 30, 2016
Amended claims with annotations
Search/Exam
Nov 30, 2016
Claims
Search/Exam
Nov 30, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 30, 2016
Oct 12, 2016
Oct 7, 2016
Sep 14, 2016
Sep 8, 2016
May 31, 2016
Annex to the communication
Search/Exam
May 31, 2016
Communication from the Examining Division
Search/Exam
May 30, 2016
May 30, 2016
May 13, 2016
(Electronic) Receipt
Search/Exam
May 13, 2016
Letter accompanying subsequently filed items
Search/Exam
May 13, 2016
Non-patent literature filed by a third party
Search/Exam
May 13, 2016
Non-patent literature filed by a third party
Search/Exam
May 13, 2016
Non-patent literature filed by a third party
Search/Exam
May 13, 2016
Non-patent literature filed by a third party
Search/Exam
May 13, 2016
Non-patent literature filed by a third party
Search/Exam
May 13, 2016
Observations by third parties
Search/Exam
May 13, 2016
Observations by third parties
Search/Exam
Feb 19, 2016
Examination started
Search/Exam
Dec 18, 2015
(Electronic) Receipt
Search/Exam
Dec 18, 2015
Dec 18, 2015
Amended claims with annotations
Search/Exam
Dec 18, 2015
Amendments received before examination
Search/Exam
Dec 18, 2015
Letter accompanying subsequently filed items
Search/Exam
Aug 19, 2015
Jun 18, 2015
Jun 12, 2015
Communication to designated inventor
Search/Exam
Jun 4, 2015
(Electronic) Receipt
Search/Exam
Jun 4, 2015
Request for entry into the European phase
Search/Exam
May 19, 2015
May 19, 2015
Mar 20, 2015
Information on entry into European phase
Search/Exam
Feb 10, 2015
Feb 10, 2015
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Dec 16, 2014
Drawings
PCT2
Dec 16, 2014
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Written opinion
PCT2
Oct 16, 2014
Oct 16, 2014
Oct 7, 2014
Notification of election of EPO
Search/Exam
Sep 12, 2014
Sep 8, 2014
Sep 8, 2014
Sep 8, 2014
PCT demand form
PCT2
Sep 8, 2014
PCT demand form
PCT2
Sep 8, 2014
Sep 8, 2014
Sep 8, 2014
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May 15, 2014
Copy of the international search report
Search/Exam
May 15, 2014
Published international application - A1
Search/Exam
Jan 30, 2014
Jan 30, 2014
Jan 30, 2014
Nov 8, 2013
(Electronic) Receipt
PCTRO
Nov 8, 2013
Abstract
PCTRO
Nov 8, 2013
Claims
PCTRO
Nov 8, 2013
Description
PCTRO
Nov 8, 2013
Drawings
PCTRO
Nov 8, 2013
Nov 8, 2013
Nov 8, 2013
Nov 8, 2013