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The patent EP2223688 was granted to Amgen Europe on May 29, 2019. The application was filed on Mar 20, 2003 under application number EP10162667A. 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 |
|---|---|---|---|
| GALENICUM HEALTH SLU | Mar 2, 2020 | - | ADMISSIBLE |
| HEXAL | Feb 28, 2020 | TER MEER STEINMEISTER & PARTNER | ADMISSIBLE |
| HOFFMANN EITLE | Feb 28, 2020 | - | ADMISSIBLE |
| ZENTIVA KS | Feb 28, 2020 | HOFFMANN EITLE | ADMISSIBLE |
| WUESTHOFF & WUESTHOFF PATENTANWALTE PARTG MBB | Feb 26, 2020 | SONNENHAUSER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US3536809 |
| DESCRIPTION | US3598123 |
| DESCRIPTION | US3845770 |
| DESCRIPTION | US3916899 |
| DESCRIPTION | US4008719 |
| DESCRIPTION | US5059595 |
| DESCRIPTION | US5073543 |
| DESCRIPTION | US5120548 |
| DESCRIPTION | US5354556 |
| DESCRIPTION | US5591767 |
| DESCRIPTION | US5639476 |
| DESCRIPTION | US5674533 |
| DESCRIPTION | US5733566 |
| DESCRIPTION | US6020358 |
| OPPOSITION | EP1485087 |
| OPPOSITION | EP1752148 |
| OPPOSITION | US366515 |
| OPPOSITION | US6020358 |
| OPPOSITION | US6025347 |
| OPPOSITION | WO0025777 |
| SEARCH | US6020358 |
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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Search/Exam
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
Search/Exam
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May 3, 2019
Decision to grant a European patent
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Mar 26, 2019
(Electronic) Receipt
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Mar 26, 2019
Amended claims with annotations
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Mar 26, 2019
Claims
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Mar 26, 2019
French translation of claims
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Mar 26, 2019
German translation of the claims
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Mar 26, 2019
Letter accompanying subsequently filed items
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Mar 26, 2019
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Intention to grant (signatures)
Search/Exam
Nov 23, 2018
Text intended for grant (clean copy)
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Oct 29, 2018
Decision to allow further processing
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Oct 17, 2018
(Electronic) Receipt
Search/Exam
Oct 17, 2018
Amended claims with annotations
Search/Exam
Oct 17, 2018
Claims
Search/Exam
Oct 17, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 17, 2018
Request for further processing
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Intention to grant (signatures)
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Mar 1, 2018
Text intended for grant (clean copy)
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Feb 15, 2018
Jan 19, 2018
(Electronic) Receipt
Search/Exam
Jan 19, 2018
Amended claims with annotations
Search/Exam
Jan 19, 2018
Claims
Search/Exam
Jan 19, 2018
Description
Search/Exam
Jan 19, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 19, 2018
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Intention to grant (signatures)
Search/Exam
Sep 21, 2017
Text intended for grant (clean copy)
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Sep 21, 2017
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Aug 3, 2017
(Electronic) Receipt
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Aug 3, 2017
Amended claims with annotations
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Aug 3, 2017
Claims
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Aug 3, 2017
Description
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Apr 10, 2017
Text intended for grant (clean copy)
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Apr 10, 2017
Mar 17, 2017
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(Electronic) Receipt
Search/Exam
Mar 10, 2017
Description
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Mar 10, 2017
Letter accompanying subsequently filed items
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Mar 10, 2017
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Intention to grant (signatures)
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Nov 2, 2016
Text intended for grant (clean copy)
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Nov 2, 2016
Oct 2, 2015
(Electronic) Receipt
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Oct 2, 2015
Amended claims with annotations
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Oct 2, 2015
Claims
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Oct 2, 2015
Description
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Oct 2, 2015
Letter accompanying subsequently filed items
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Oct 2, 2015
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Aug 18, 2015
Annex to the communication
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Aug 18, 2015
Communication from the Examining Division
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May 13, 2014
(Electronic) Receipt
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May 13, 2014
Amended claims with annotations
Search/Exam
May 13, 2014
Claims
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May 13, 2014
Description
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May 13, 2014
Letter accompanying subsequently filed items
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May 13, 2014
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Annex to the communication
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Communication from the Examining Division
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Nov 22, 2013
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Decision to allow further processing
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Jan 23, 2013
(Electronic) Receipt
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Jan 23, 2013
Amended claims with annotations
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Jan 23, 2013
Annex
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Jan 23, 2013
Annex
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Jan 23, 2013
Claims
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Jan 23, 2013
Letter accompanying subsequently filed items
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Jan 23, 2013
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Request for further processing
Search/Exam
Nov 27, 2012
Aug 16, 2012
Aug 9, 2012
(Electronic) Receipt
Search/Exam
Aug 9, 2012
Letter accompanying subsequently filed items
Search/Exam
Aug 9, 2012
Apr 10, 2012
Annex to the communication
Search/Exam
Apr 10, 2012
Communication from the Examining Division
Search/Exam
Dec 2, 2011
Nov 22, 2011
Letter concerning the priority
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Nov 22, 2011
Priority document
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Feb 28, 2011
(Electronic) Receipt
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Feb 28, 2011
Feb 28, 2011
Amended claims with annotations
Search/Exam
Feb 28, 2011
Amendments received before examination
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Feb 28, 2011
Letter accompanying subsequently filed items
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Feb 28, 2011
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Aug 4, 2010
Notification of forthcoming publication
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Jul 30, 2010
Refund of fees
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Jul 30, 2010
Refund of fees
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Jul 28, 2010
Letter concerning the inventor
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Jul 20, 2010
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European search opinion
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Jul 20, 2010
European search report
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May 28, 2010
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Abstract
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May 12, 2010
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Annex
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May 12, 2010
Claims
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May 12, 2010
Description
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May 12, 2010
Designation of inventor
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May 12, 2010
Designation of inventor
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May 12, 2010
Designation of inventor
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May 12, 2010
Designation of inventor
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May 12, 2010
Drawings
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May 12, 2010
Letter concerning search matters
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May 12, 2010
Letter concerning search matters
Search/Exam
May 12, 2010
Request for grant of a European patent
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Oct 7, 2003
Oct 7, 2003