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The patent EP2651400 was granted to Amgen Europe on Jan 18, 2023. The application was originally filed on Dec 15, 2011 under application number EP11831805A. 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 |
|---|---|---|---|
| TEVA PHARMACEUTICALS | May 6, 2020 | D YOUNG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0941071 |
| DESCRIPTION | US2003104053 |
| DESCRIPTION | US2003104062 |
| DESCRIPTION | US2008234359 |
| DESCRIPTION | US2010129445 |
| DESCRIPTION | US2010168475 |
| DESCRIPTION | US3536809 |
| DESCRIPTION | US3598123 |
| DESCRIPTION | US3845770 |
| DESCRIPTION | US3916899 |
| DESCRIPTION | US4008719 |
| DESCRIPTION | US4915952 |
| DESCRIPTION | US5059595 |
| DESCRIPTION | US5073543 |
| DESCRIPTION | US5120548 |
| DESCRIPTION | US5354556 |
| DESCRIPTION | US5451409 |
| DESCRIPTION | US5591767 |
| DESCRIPTION | US5639476 |
| DESCRIPTION | US5674533 |
| DESCRIPTION | US5733566 |
| DESCRIPTION | US5945125 |
| DESCRIPTION | US6210710 |
| DESCRIPTION | US6217903 |
| DESCRIPTION | US6635280 |
| DESCRIPTION | US6723340 |
| DESCRIPTION | US6962940 |
| DESCRIPTION | WO9722335 |
| EXAMINATION | WO2009120167 |
| INTERNATIONAL-SEARCH-REPORT | US2004254214 |
| INTERNATIONAL-SEARCH-REPORT | US4814176 |
| INTERNATIONAL-SEARCH-REPORT | US6251430 |
| OPPOSITION | WO2004037207 |
| OPPOSITION | WO2006065814 |
| OPPOSITION | WO2007079182 |
| OPPOSITION | WO2009120617 |
| OPPOSITION | WO2010093588 |
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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Decision to grant a European patent
Search/Exam
Jul 11, 2019
Decision to grant a European patent
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Intention to grant (signatures)
Search/Exam
Jun 27, 2019
Text intended for grant (clean copy)
Search/Exam
Jun 27, 2019
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(Electronic) Receipt
Search/Exam
May 28, 2019
Amended claims with annotations
Search/Exam
May 28, 2019
Claims
Search/Exam
May 28, 2019
French translation of claims
Search/Exam
May 28, 2019
German translation of the claims
Search/Exam
May 28, 2019
Letter accompanying subsequently filed items
Search/Exam
May 28, 2019
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Intention to grant (signatures)
Search/Exam
Jan 29, 2019
Text intended for grant (clean copy)
Search/Exam
Jan 29, 2019
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(Electronic) Receipt
Search/Exam
Jan 3, 2019
Amended claims with annotations
Search/Exam
Jan 3, 2019
Claims
Search/Exam
Jan 3, 2019
Description
Search/Exam
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Drawings
Search/Exam
Jan 3, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 3, 2019
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Intention to grant (signatures)
Search/Exam
Aug 28, 2018
Text intended for grant (clean copy)
Search/Exam
Aug 28, 2018
Apr 11, 2017
(Electronic) Receipt
Search/Exam
Apr 11, 2017
Amended claims with annotations
Search/Exam
Apr 11, 2017
Claims
Search/Exam
Apr 11, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 11, 2017
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Annex to the communication
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Communication from the Examining Division
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Nov 25, 2015
(Electronic) Receipt
Search/Exam
Nov 25, 2015
Annex
Search/Exam
Nov 25, 2015
Claims
Search/Exam
Nov 25, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 25, 2015
Jul 21, 2015
Annex to the communication
Search/Exam
Jul 21, 2015
Communication from the Examining Division
Search/Exam
Jul 15, 2015
Examination started
Search/Exam
Jan 24, 2014
(Electronic) Receipt
Search/Exam
Jan 24, 2014
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Amended claims with annotations
Search/Exam
Jan 24, 2014
Amendments received before examination
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Jan 24, 2014
Letter accompanying subsequently filed items
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Sep 25, 2013
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Communication to designated inventor
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Communication to designated inventor
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Jul 22, 2013
Communication to designated inventor
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Jul 10, 2013
(Electronic) Receipt
Search/Exam
Jul 10, 2013
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Request for entry into the European phase
Search/Exam
Jul 3, 2013
Apr 26, 2013
Information on entry into European phase
Search/Exam
Apr 23, 2013
Notification of the recording of a change
Search/Exam
Aug 23, 2012
Copy of the international search report
Search/Exam
Aug 23, 2012
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Published international application - A2
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Jan 13, 2012
Abstract
PCTISA
Jan 13, 2012
Claims
PCTISA
Jan 13, 2012
Description
PCTISA
Jan 13, 2012
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