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The patent EP2514447 was granted to Nikkiso on Aug 27, 2025. The application was filed on Dec 14, 2010 under application number EP10837602A. 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 |
|---|---|---|---|
| B BRAUN AVITUM | May 4, 2021 | WINTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2002516722 |
| EXAMINATION | JP2002516722 |
| INTERNATIONAL-SEARCH-REPORT | JP2002516722 |
| INTERNATIONAL-SEARCH-REPORT | JP2003245344 |
| INTERNATIONAL-SEARCH-REPORT | JP2004212130 |
| INTERNATIONAL-SEARCH-REPORT | JP2009521258 |
| OPPOSITION | EP2218472 |
| OPPOSITION | JP3934546B |
| OPPOSITION | JPH02223848 |
| OPPOSITION | JPS61155735 |
| OPPOSITION | US2002145122 |
| OPPOSITION | US2003052272 |
| OPPOSITION | US2007023334 |
| OPPOSITION | US2009032111 |
| OPPOSITION | US5863421 |
| OPPOSITION | US5903006 |
| OPPOSITION | US6666840 |
| SEARCH | US2002145122 |
| SEARCH | US2009032111 |
| SEARCH | US2009054822 |
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.
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Description
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Nov 27, 2024
(Electronic) Receipt
Appeal
Nov 27, 2024
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General enquiry
Appeal
Nov 27, 2024
Nov 13, 2024
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Oct 5, 2023
Sep 29, 2023
(Electronic) Receipt
Appeal
Sep 29, 2023
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Reply to appeal
Appeal
Sep 20, 2023
Sep 15, 2023
(Electronic) Receipt
Appeal
Sep 15, 2023
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Reply to appeal
Appeal
May 19, 2023
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
May 11, 2023
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(Electronic) Receipt
Appeal
Mar 23, 2023
(Electronic) Receipt
Appeal
Mar 23, 2023
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Notice of appeal
Appeal
Mar 23, 2023
Notice of appeal
Appeal
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Means of redress
OPPO
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Aug 17, 2020
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Decision to grant a European patent
Search/Exam
Jun 25, 2020
(Electronic) Receipt
Search/Exam
Jun 25, 2020
Filing of the translations of the claims
Search/Exam
Jun 25, 2020
French translation of claims
Search/Exam
Jun 25, 2020
German translation of the claims
Search/Exam
Jun 25, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 23, 2020
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Intention to grant (signatures)
Search/Exam
Apr 23, 2020
Text intended for grant (clean copy)
Search/Exam
Apr 23, 2020
Mar 12, 2020
Amended claims with annotations
Search/Exam
Mar 12, 2020
Claims
Search/Exam
Mar 12, 2020
Nov 14, 2019
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Nov 14, 2019
Intention to grant (signatures)
Search/Exam
Nov 14, 2019
Text intended for grant (clean copy)
Search/Exam
Nov 14, 2019
Feb 21, 2019
Feb 7, 2019
(Electronic) Receipt
Search/Exam
Feb 7, 2019
Enquiry as to the processing of the file
Search/Exam
Feb 7, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 23, 2017
Dec 20, 2016
Payment of fees and costs
Search/Exam
Nov 30, 2016
Annex to the communication
Search/Exam
Nov 30, 2016
Communication from the Examining Division
Search/Exam
Apr 11, 2016
Apr 4, 2016
Dec 23, 2015
Letter concerning fees and payments
Search/Exam
Dec 23, 2015
Payment of fees and costs
Search/Exam
Jun 2, 2015
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Amended claims with annotations
Search/Exam
Jun 2, 2015
Amendments received before examination
Search/Exam
Dec 31, 2014
Payment of fees and costs
Search/Exam
Dec 19, 2014
Dec 3, 2014
Dec 3, 2014
European search opinion
Search/Exam
Dec 3, 2014
Supplementary European search report
Search/Exam
Nov 24, 2014
Search started
Search/Exam
Sep 23, 2014
Sep 16, 2014
General enquiry
Search/Exam
Dec 23, 2013
Letter concerning fees and payments
Search/Exam
Dec 23, 2013
Payment of fees and costs
Search/Exam
Sep 26, 2012
Notification of forthcoming publication
Search/Exam
Jul 26, 2012
Jul 25, 2012
Jul 12, 2012
(Electronic) Receipt
Search/Exam
Jul 12, 2012
Abstract
Search/Exam
Jul 12, 2012
Claims
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Jul 12, 2012
Description
Search/Exam
Jul 12, 2012
Drawings
Search/Exam
Jul 12, 2012
Request for entry into the European phase
Search/Exam
Jul 3, 2012
Apr 27, 2012
Information on entry into European phase
Search/Exam
Jul 11, 2011
Jun 23, 2011
Copy of the international search report
Search/Exam
Jun 23, 2011
Jun 23, 2011
International publication pamphlet
Search/Exam