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The patent EP1936524 was granted to B Braun Avitum on Mar 21, 2018. The application was filed on Dec 21, 2006 under application number EP06126930A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| GAMBRO LUNDIA | Dec 19, 2018 | PONZELLINI | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO0226291 |
| EXAMINATION | EP1535576 |
| EXAMINATION | WO0211049 |
| OPPOSITION | EP1170023 |
| OPPOSITION | US2005234381 |
| OPPOSITION | US2008176210 |
| OPPOSITION | US5326476 |
| OPPOSITION | WO0211049 |
| SEARCH | WO0226291 |
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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Appeal
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Appeal
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Appeal
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Description
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Appeal
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Claims
Appeal
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Description
Appeal
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Appeal
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Appeal
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Description
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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OPPO
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OPPO
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OPPO
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Information concerning oral proceedings
Search/Exam
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Authorisation
OPPO
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Authorisation
OPPO
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OPPO
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Decision to grant a European patent
Search/Exam
Feb 7, 2018
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Intention to grant (signatures)
Search/Exam
Feb 7, 2018
Text intended for grant (clean copy)
Search/Exam
Feb 7, 2018
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(Electronic) Receipt
Search/Exam
Dec 14, 2017
Amended claims with annotations
Search/Exam
Dec 14, 2017
Claims
Search/Exam
Dec 14, 2017
English translation of the claims
Search/Exam
Dec 14, 2017
French translation of claims
Search/Exam
Dec 14, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 14, 2017
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Intention to grant (signatures)
Search/Exam
Aug 7, 2017
Text intended for grant (clean copy)
Search/Exam
Aug 7, 2017
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Annex to the communication
Search/Exam
Jul 28, 2017
Consultation by telephone/in person
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Annex to a communication
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Intention to grant (signatures)
Search/Exam
May 29, 2017
Text intended for grant (clean copy)
Search/Exam
May 29, 2017
Feb 20, 2017
Annex to the communication
Search/Exam
Feb 20, 2017
Consultation by telephone/in person
Search/Exam
Feb 20, 2017
Dec 8, 2016
(Electronic) Receipt
Search/Exam
Dec 8, 2016
Amended claims with annotations
Search/Exam
Dec 8, 2016
Amended claims with annotations
Search/Exam
Dec 8, 2016
Amended claims with annotations
Search/Exam
Dec 8, 2016
Claims
Search/Exam
Dec 8, 2016
Claims
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Dec 8, 2016
Claims
Search/Exam
Dec 8, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 8, 2016
Sep 14, 2016
Aug 3, 2016
Advice of delivery
Search/Exam
Aug 3, 2016
Advice of delivery
Search/Exam
Aug 2, 2016
Annex to the communication
Search/Exam
Aug 2, 2016
Preparation for oral proceedings
Search/Exam
Aug 2, 2016
Summons to attend oral proceedings
Search/Exam
Jun 21, 2016
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Amended claims with annotations
Search/Exam
Jul 15, 2014
Claims
Search/Exam
Jul 15, 2014
Apr 15, 2014
Annex to the communication
Search/Exam
Apr 15, 2014
Communication from the Examining Division
Search/Exam
Apr 7, 2014
Examination started
Search/Exam
Apr 1, 2014
Submission concerning representation
Search/Exam
Feb 14, 2014
May 31, 2013
Mar 11, 2010
Mar 8, 2010
Submission concerning representation
Search/Exam
Jul 11, 2009
Description
Search/Exam
Jul 11, 2009
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Communication from the Examining Division
Search/Exam
Dec 10, 2008
Letter concerning fees and payments
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Jun 30, 2008
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Notification of forthcoming publication
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Feb 18, 2008
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Annex to European Search report
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European search opinion
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May 16, 2007
European search report
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Dec 21, 2006
Abstract
Search/Exam
Dec 21, 2006
Dec 21, 2006
Claims
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Dec 21, 2006
Description
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Dec 21, 2006
Designation of inventor
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Dec 21, 2006
Designation of inventor
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Dec 21, 2006
Designation of inventor
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Dec 21, 2006
Drawings
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Dec 21, 2006
Request for grant of a European patent
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