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The patent EP2578688 was granted to Regeneron Pharmaceuticals on Feb 8, 2023. The application was filed on Feb 24, 2012 under application number EP12192727A. 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 |
|---|---|---|---|
| KYMAB | May 4, 2020 | CMS CAMERON MCKENNA NABARRO OLSWANG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2007280945 |
| DESCRIPTION | US6586251 |
| DESCRIPTION | US6596541 |
| DESCRIPTION | US7105348 |
| DESCRIPTION | US7294754 |
| DESCRIPTION | US7473557 |
| DESCRIPTION | US7576259 |
| DESCRIPTION | US7659442 |
| EXAMINATION | WO2011004192 |
| EXAMINATION | WO2011158009 |
| EXAMINATION | WO2013061098 |
| EXAMINATION | WO2013079953 |
| OPPOSITION | EP2550363 |
| OPPOSITION | WO02066630 |
| OPPOSITION | WO2011004192 |
| OPPOSITION | WO2011158009 |
| OPPOSITION | WO2013079953 |
| OTHER | EP2793567 |
| OTHER | WO02066630 |
| SEARCH | US2004018626 |
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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Jan 12, 2023
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Refund of fees
Appeal
Nov 11, 2022
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(Electronic) Receipt
Appeal
Oct 28, 2022
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Withdrawal of an appeal
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Aug 5, 2019
Jun 27, 2019
Decision to grant a European patent
Search/Exam
Jun 12, 2019
(Electronic) Receipt
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Jun 12, 2019
Filing of the translations of the claims
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Jun 12, 2019
French translation of claims
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Jun 12, 2019
German translation of the claims
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Jun 12, 2019
Letter accompanying subsequently filed items
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May 21, 2019
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Intention to grant (signatures)
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May 21, 2019
Text intended for grant (clean copy)
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May 21, 2019
Text intended for grant (sequence listing)
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May 21, 2019
Apr 8, 2019
(Electronic) Receipt
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Apr 8, 2019
Amended description with annotations
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Apr 8, 2019
Description
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Apr 8, 2019
Letter accompanying subsequently filed items
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Apr 8, 2019
Mar 19, 2019
Annex to the communication
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Mar 19, 2019
Communication from the Examining Division
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Mar 14, 2019
Mar 8, 2019
Observations by third parties
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Dec 19, 2018
(Electronic) Receipt
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Dec 19, 2018
Amended claims with annotations
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Dec 19, 2018
Claims
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Dec 19, 2018
Letter accompanying subsequently filed items
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Dec 19, 2018
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Dec 11, 2018
(Electronic) Receipt
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Dec 11, 2018
Letter accompanying subsequently filed items
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Dec 11, 2018
Observations by third parties
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Oct 30, 2018
Annex to the communication
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Oct 30, 2018
Communication from the Examining Division
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Jun 7, 2018
May 25, 2018
(Electronic) Receipt
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May 25, 2018
Letter accompanying subsequently filed items
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May 25, 2018
Matter concerning the application
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May 16, 2018
(Electronic) Receipt
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May 16, 2018
Amended claims with annotations
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May 16, 2018
Claims
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May 16, 2018
Letter accompanying subsequently filed items
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Annex to the communication
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Jan 18, 2018
Communication from the Examining Division
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Nov 22, 2017
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(Electronic) Receipt
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Nov 14, 2017
Citation filed by a third party
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Nov 14, 2017
Letter accompanying subsequently filed items
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Nov 14, 2017
Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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Nov 14, 2017
Observations by third parties
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Oct 5, 2017
(Electronic) Receipt
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Oct 5, 2017
Amended claims with annotations
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Oct 5, 2017
Claims
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Oct 5, 2017
Letter accompanying subsequently filed items
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Oct 5, 2017
Jun 6, 2017
Annex to the communication
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Jun 6, 2017
Communication from the Examining Division
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Mar 17, 2017
Annex to the communication
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Mar 17, 2017
Consultation by telephone/in person
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Mar 17, 2017
Oct 17, 2016
Oct 6, 2016
Submission concerning representation
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Oct 5, 2016
Submission concerning representation
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Jul 29, 2016
(Electronic) Receipt
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Jul 29, 2016
Letter accompanying subsequently filed items
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Jul 29, 2016
Jun 9, 2016
Annex to the communication
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Jun 9, 2016
Communication from the Examining Division
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Mar 16, 2016
Annex
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Mar 16, 2016
Mar 14, 2016
(Electronic) Receipt
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Mar 14, 2016
Letter accompanying subsequently filed items
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Mar 14, 2016
Mar 9, 2016
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Mar 2, 2016
(Electronic) Receipt
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Mar 2, 2016
Letter accompanying subsequently filed items
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Mar 2, 2016
Observations by third parties
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Feb 29, 2016
(Electronic) Receipt
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Feb 29, 2016
Letter accompanying subsequently filed items
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Feb 29, 2016
Feb 4, 2016
Annex to the communication
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Feb 4, 2016
Communication from the Examining Division
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Nov 18, 2015
Nov 18, 2015
Nov 12, 2015
(Electronic) Receipt
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Nov 12, 2015
Letter accompanying subsequently filed items
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Nov 12, 2015
Non-patent literature filed by a third party
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Nov 12, 2015
Observations by third parties
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Nov 3, 2015
(Electronic) Receipt
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Nov 3, 2015
Annex
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Nov 3, 2015
Annex
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Nov 3, 2015
Annex
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Nov 3, 2015
Letter accompanying subsequently filed items
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Nov 3, 2015
Oct 30, 2015
Annex to the communication
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Oct 30, 2015
Communication from the Examining Division
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Aug 24, 2015
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Aug 12, 2015
(Electronic) Receipt
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Aug 12, 2015
Letter accompanying subsequently filed items
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Aug 12, 2015
Observations by third parties
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Jul 29, 2015
(Electronic) Receipt
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Jul 29, 2015
Amended claims with annotations
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Jul 29, 2015
Amended description with annotations
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Jul 29, 2015
Annex
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Jul 29, 2015
Annex
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Jul 29, 2015
Claims
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Jul 29, 2015
Description
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Jul 29, 2015
Letter accompanying subsequently filed items
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Jul 29, 2015
Jun 17, 2015
Annex to the communication
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Jun 17, 2015
Communication from the Examining Division
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Apr 14, 2015
Apr 14, 2015
Apr 8, 2015
(Electronic) Receipt
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Apr 8, 2015
Citation filed by a third party
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Apr 8, 2015
Citation filed by a third party
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Apr 8, 2015
Citation filed by a third party
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Apr 8, 2015
Citation filed by a third party
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Apr 8, 2015
Letter accompanying subsequently filed items
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Apr 8, 2015
Non-patent literature filed by a third party
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Apr 8, 2015
Observations by third parties
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Mar 23, 2015
(Electronic) Receipt
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Mar 23, 2015
Amended claims with annotations
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Mar 23, 2015
Claims
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Mar 23, 2015
Letter accompanying subsequently filed items
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Mar 23, 2015
Dec 1, 2014
Annex to the communication
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Dec 1, 2014
Communication from the Examining Division
Search/Exam
Nov 24, 2014
Nov 24, 2014
Nov 17, 2014
(Electronic) Receipt
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Nov 17, 2014
Letter accompanying subsequently filed items
Search/Exam
Nov 17, 2014
Non-patent literature filed by a third party
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Nov 17, 2014
Observations by third parties
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Oct 15, 2014
(Electronic) Receipt
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Oct 15, 2014
Amended claims with annotations
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Oct 15, 2014
Claims
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Oct 15, 2014
Letter accompanying subsequently filed items
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Oct 15, 2014
Oct 15, 2014
Jun 17, 2014
Annex to the communication
Search/Exam
Jun 17, 2014
Communication from the Examining Division
Search/Exam
May 30, 2014
(Electronic) Receipt
Search/Exam
Feb 27, 2014
Feb 27, 2014
Feb 25, 2014
Observations by third parties
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Jan 20, 2014
(Electronic) Receipt
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Jan 20, 2014
Amended claims with annotations
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Jan 20, 2014
Claims
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Jan 20, 2014
Letter accompanying subsequently filed items
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Jan 20, 2014
Sep 11, 2013
Annex to the communication
Search/Exam
Sep 11, 2013
Communication from the Examining Division
Search/Exam
Jun 21, 2013
Jun 21, 2013
Jun 18, 2013
Cover sheet for fax transmission
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Jun 18, 2013
Cover sheet for fax transmission
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Jun 18, 2013
Cover sheet for fax transmission
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Jun 18, 2013
Cover sheet for fax transmission
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Jun 18, 2013
Cover sheet for fax transmission
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Jun 18, 2013
Observations by third parties
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Jun 18, 2013
Patent document filed by a Third party
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Jun 18, 2013
Patent document filed by a Third party
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Patent document filed by a Third party
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Jun 18, 2013
Patent document filed by a Third party
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Jun 18, 2013
Patent document filed by a Third party
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Patent document filed by a Third party
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Jun 18, 2013
Patent document filed by a Third party
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Jun 6, 2013
(Electronic) Receipt
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Jun 6, 2013
Jun 6, 2013
Amended claims with annotations
Search/Exam
Jun 6, 2013
Amendments received before examination
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Jun 6, 2013
Letter accompanying subsequently filed items
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Apr 15, 2013
Mar 18, 2013
Refund of fees
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Mar 13, 2013
Notification of forthcoming publication
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Mar 7, 2013
Mar 7, 2013
European search opinion
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Mar 7, 2013
European search report
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Mar 1, 2013
Feb 4, 2013
Communication to designated inventor
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Feb 4, 2013
Communication to designated inventor
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Feb 4, 2013
Communication to designated inventor
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Nov 15, 2012
Abstract
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Nov 15, 2012
Nov 15, 2012
Claims
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Nov 15, 2012
Claims
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Nov 15, 2012
Description
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Nov 15, 2012
Designation of inventor
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Nov 15, 2012
Designation of inventor
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Nov 15, 2012
Designation of inventor
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Nov 15, 2012
Drawings
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Nov 15, 2012
Letter concerning search matters
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Nov 15, 2012
Request for grant of a European patent
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Nov 15, 2012
Sequence listing
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Oct 18, 2012
Priority document
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Oct 18, 2012
Priority document
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Oct 18, 2012
Priority document
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