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The patent EP3279703 was granted to Deka Products Partnership on Jun 29, 2022. The application was filed on Jul 7, 2011 under application number EP17189188A. 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 |
|---|---|---|---|
| FRESENIUS MEDICAL CARE DEUTSCHLAND | Jan 27, 2020 | BEHR | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US6302653 |
| DESCRIPTION | US6382923 |
| OPPOSITION | DE3883226T |
| OPPOSITION | DE3910250 |
| OPPOSITION | EP0239253 |
| OPPOSITION | FR2660755 |
| OPPOSITION | US2005209563 |
| OPPOSITION | US4114144 |
| OPPOSITION | US4346606 |
| OPPOSITION | US4533350 |
| OPPOSITION | US5644402 |
| OPPOSITION | US6806947 |
| OPPOSITION | US7560686 |
| SEARCH | GB2423241 |
| SEARCH | US2008015493 |
| SEARCH | WO0015278 |
| SEARCH | WO03080268 |
| SEARCH | WO03099354 |
| SEARCH | WO2008100989 |
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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Jun 2, 2022
Jun 2, 2022
May 27, 2022
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Refund of fees
Appeal
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Withdrawal of an appeal
Appeal
Feb 17, 2022
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Feb 7, 2022
(Electronic) Receipt
Appeal
Feb 7, 2022
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Notice of appeal
Appeal
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Means of redress
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Decision to grant a European patent
Search/Exam
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Feb 25, 2019
Amended claims with annotations
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Feb 25, 2019
Claims
Search/Exam
Feb 25, 2019
French translation of claims
Search/Exam
Feb 25, 2019
German translation of the claims
Search/Exam
Feb 25, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 25, 2019
Feb 19, 2019
Communication to designated inventor
Search/Exam
Feb 4, 2019
(Electronic) Receipt
Search/Exam
Feb 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 16, 2019
Dec 10, 2018
Letter which had not been notified
Search/Exam
Oct 15, 2018
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Intention to grant (signatures)
Search/Exam
Oct 15, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 15, 2018
Sep 14, 2018
Examination started
Search/Exam
Aug 2, 2018
(Electronic) Receipt
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(Electronic) Receipt
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Aug 2, 2018
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Amended claims with annotations
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Amended description with annotations
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Aug 2, 2018
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Aug 2, 2018
Letter accompanying subsequently filed items
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Aug 2, 2018
Letter concerning fees and payments
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Feb 12, 2018
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Communication to designated inventor
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Jan 16, 2018
(Electronic) Receipt
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Jan 16, 2018
Letter concerning the inventor
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Jan 10, 2018
Notification of forthcoming publication
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Jan 8, 2018
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European search opinion
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European search report
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Jan 8, 2018
Information on Search Strategy
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Dec 4, 2017
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Letter which had not been notified
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Oct 27, 2017
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Sep 4, 2017
Abstract
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Claims
Search/Exam
Sep 4, 2017
Description
Search/Exam
Sep 4, 2017
Designation of inventor
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Sep 4, 2017
Drawings
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Sep 4, 2017
Request for grant of a European patent
Search/Exam
Feb 2, 2012