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The patent EP2664343 was granted to Ipsen Bioinnovation on Dec 18, 2019. The application was filed on Nov 17, 2009 under application number EP13167699A. 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 |
|---|---|---|---|
| ALLERGAN | Dec 28, 2017 | HOFFMANN EITLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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|---|---|
| DESCRIPTION | US19880282328 |
| DESCRIPTION | US19890317941 |
| DESCRIPTION | US19890376555 |
| DESCRIPTION | US19890394727 |
| DESCRIPTION | US19890440039 |
| DESCRIPTION | US19900502438 |
| DESCRIPTION | US19900520225 |
| DESCRIPTION | EP0030920 |
| DESCRIPTION | EP0171477 |
| DESCRIPTION | EP0257742 |
| DESCRIPTION | EP0329295 |
| DESCRIPTION | EP0363589 |
| DESCRIPTION | EP0389180 |
| DESCRIPTION | EP0395417 |
| DESCRIPTION | EP0505680 |
| DESCRIPTION | EP0737891 |
| DESCRIPTION | FR2522655 |
| DESCRIPTION | US2002098178 |
| DESCRIPTION | US2007166332 |
| DESCRIPTION | US4133782 |
| DESCRIPTION | US4148612 |
| DESCRIPTION | US4190575 |
| DESCRIPTION | US4190648 |
| DESCRIPTION | US4211693 |
| DESCRIPTION | US4235886 |
| DESCRIPTION | US4238481 |
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| DESCRIPTION | US4282143 |
| DESCRIPTION | US4291022 |
| DESCRIPTION | US4310518 |
| DESCRIPTION | US4316890 |
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| DESCRIPTION | US4369179 |
| DESCRIPTION | US4522813 |
| DESCRIPTION | US4585755 |
| DESCRIPTION | US4603120 |
| DESCRIPTION | US4650787 |
| DESCRIPTION | US4659693 |
| DESCRIPTION | US4684620 |
| DESCRIPTION | US4725577 |
| DESCRIPTION | US4853371 |
| DESCRIPTION | US4871717 |
| DESCRIPTION | US4904642 |
| DESCRIPTION | US5223409 |
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| DESCRIPTION | US5506339 |
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| DESCRIPTION | US5942489 |
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| DESCRIPTION | WO0004926 |
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| OPPOSITION | WO0010598 |
| OPPOSITION | WO0121213 |
| OPPOSITION | WO2009150469 |
| OPPOSITION | WO2009150470 |
| OPPOSITION | WO2010055358 |
| OPPOSITION | WO2011020115 |
| SEARCH | US2005031648 |
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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.
Date
Description
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Refund of fees
Appeal
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(Electronic) Receipt
Appeal
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Withdrawal of an appeal
Appeal
Apr 23, 2019
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(Electronic) Receipt
Appeal
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Notice of appeal
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Processing of an appeal
Appeal
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Claims
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Search/Exam
Apr 27, 2017
Letter accompanying subsequently filed items
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Apr 27, 2017
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Decision to grant a European patent
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(Electronic) Receipt
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Filing of the translations of the claims
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Feb 20, 2017
French translation of claims
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Feb 20, 2017
German translation of the claims
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Feb 20, 2017
Intention to grant (signatures)
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Letter accompanying subsequently filed items
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Feb 20, 2017
Text intended for grant (clean copy)
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(Electronic) Receipt
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Jan 9, 2017
Amended claims with annotations
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Claims
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Converted Sequence Listing
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Description
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
Search/Exam
Sep 27, 2016
Text intended for grant (clean copy)
Search/Exam
Sep 27, 2016
Text intended for grant (sequence listing)
Search/Exam
Sep 27, 2016
Apr 14, 2016
(Electronic) Receipt
Search/Exam
Apr 14, 2016
Annex
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Apr 14, 2016
Claims
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Apr 14, 2016
Claims
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Claims
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Claims
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Claims
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Description
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Apr 14, 2016
Letter accompanying subsequently filed items
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Mar 23, 2016
(Electronic) Receipt
Search/Exam
Mar 23, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 23, 2016
Dec 8, 2015
Annex to a communication
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Dec 8, 2015
Annex to the communication
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Communication from the Examining Division
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May 11, 2015
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Annexes in respect of a client data request
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Annexes in respect of a client data request
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Letter accompanying subsequently filed items
Search/Exam
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Nov 13, 2014
Annex to the communication
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Nov 13, 2014
Consultation by telephone/in person
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Nov 13, 2014
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(Electronic) Receipt
Search/Exam
Oct 1, 2014
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Amended claims with annotations
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Oct 1, 2014
Amendments received before examination
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Oct 1, 2014
Letter accompanying subsequently filed items
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Apr 7, 2014
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Refund of fees
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European search opinion
Search/Exam
Mar 5, 2014
European search report
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Feb 28, 2014
Submission concerning representation
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Oct 23, 2013
Notification of forthcoming publication
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Aug 23, 2013
(Electronic) Receipt
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Aug 23, 2013
Amended description with annotations
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Jul 29, 2013
Claims
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Jul 29, 2013
Letter accompanying subsequently filed items
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Jul 29, 2013
Matter concerning the application
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Matter concerning the application
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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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Communication to designated inventor
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Jun 10, 2013
Invitation to file claims
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May 14, 2013
Abstract
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May 14, 2013
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Annex
Search/Exam
May 14, 2013
Converted Sequence Listing
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May 14, 2013
Description
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May 14, 2013
Designation of inventor
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Designation of inventor
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Designation of inventor
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May 14, 2013
Designation of inventor
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May 14, 2013
Drawings
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May 14, 2013
Matter concerning the application
Search/Exam
May 14, 2013
Request for grant of a European patent
Search/Exam
May 14, 2013
Sequence listing
Search/Exam
Jun 10, 2010