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The patent EP2757875 was granted to Kymab on Mar 22, 2023. The application was filed on Sep 18, 2012 under application number EP12762378A. 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 |
|---|---|---|---|
| REGENERON PHARMACEUTICALS | Aug 27, 2018 | J A KEMP | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2010GB51122 |
| DESCRIPTION | EP0937140 |
| DESCRIPTION | EP1034260 |
| DESCRIPTION | EP1204740 |
| DESCRIPTION | EP1399559 |
| DESCRIPTION | EP1523496 |
| DESCRIPTION | US5859301 |
| DESCRIPTION | US5939598 |
| DESCRIPTION | US6130364 |
| DESCRIPTION | US6586251 |
| DESCRIPTION | US6673986 |
| DESCRIPTION | US7501552 |
| DESCRIPTION | WO02066630 |
| DESCRIPTION | WO2004041862 |
| DESCRIPTION | WO2004041863 |
| DESCRIPTION | WO2009076464 |
| DESCRIPTION | WO2009143472 |
| DESCRIPTION | WO2010039900 |
| DESCRIPTION | WO2010109165 |
| DESCRIPTION | WO2011004192 |
| DESCRIPTION | WO2011097603 |
| DESCRIPTION | WO9404678 |
| EXAMINATION | WO2011097603 |
| INTERNATIONAL-SEARCH-REPORT | WO02053596 |
| INTERNATIONAL-SEARCH-REPORT | WO2011004192 |
| OPPOSITION | US5545806 |
| OPPOSITION | US6596541 |
| OPPOSITION | WO02053596 |
| OPPOSITION | WO02066630 |
| OPPOSITION | WO2007117410 |
| OPPOSITION | WO2008054606 |
| OPPOSITION | WO2009018411 |
| OPPOSITION | WO2010039900 |
| OPPOSITION | WO2010077854 |
| OPPOSITION | WO2011004192 |
| OPPOSITION | WO2011097603 |
| OPPOSITION | WO2011158009 |
| OPPOSITION | WO2011163311 |
| OPPOSITION | WO2011163314 |
| OPPOSITION | WO2012018764 |
| OPPOSITION | WO2013059230 |
| OPPOSITION | WO2013130981 |
| OPPOSITION | WO9824893 |
| OTHER | WO02066630 |
| OTHER | WO2008054606 |
| OTHER | WO2010039900 |
| OTHER | WO2011004192 |
| OTHER | WO2011097603 |
| OTHER | WO2011163311 |
| OTHER | WO2011163314 |
| OTHER | WO2012018764 |
| OTHER | WO2013059230 |
| OTHER | WO9824893 |
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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Claims
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French translation of claims
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Letter accompanying subsequently filed items
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Text intended for grant (clean copy)
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Apr 5, 2017
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Non-patent literature filed by a third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Dec 16, 2016
(Electronic) Receipt
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Dec 16, 2016
Amended claims with annotations
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Dec 16, 2016
Amended claims with annotations
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Dec 16, 2016
Claims
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Dec 16, 2016
Letter accompanying subsequently filed items
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(Electronic) Receipt
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Oct 7, 2016
Letter accompanying subsequently filed items
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Oct 7, 2016
Jun 8, 2016
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Jun 8, 2016
Communication from the Examining Division
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Mar 21, 2016
(Electronic) Receipt
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Mar 21, 2016
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Mar 21, 2016
Letter accompanying subsequently filed items
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Mar 21, 2016
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Letter accompanying subsequently filed items
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Dec 7, 2015
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Sep 10, 2015
Communication from the Examining Division
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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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Observations by third parties
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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May 1, 2015
(Electronic) Receipt
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Letter accompanying subsequently filed items
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Letter concerning the inventor
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Communication to designated inventor
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Communication to designated inventor
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May 7, 2014
Communication to designated inventor
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May 7, 2014
Communication to designated inventor
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Apr 17, 2014
(Electronic) Receipt
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Apr 17, 2014
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Amended claims with annotations
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Apr 17, 2014
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Amendments received before examination
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Apr 17, 2014
Request for entry into the European phase
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Apr 9, 2014
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Patent document filed by a Third party
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Mar 28, 2014
Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Mar 28, 2014
Patent document filed by a Third party
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Patent document filed by a Third party
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Jan 31, 2014
Information on entry into European phase
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Aug 1, 2013
Copy of the international search report
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Aug 1, 2013
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Converted Sequence Listing
Search/Exam
Mar 28, 2013
Published international application - A2
Search/Exam
Sep 28, 2012
Abstract
PCTISA
Sep 28, 2012
Claims
PCTISA
Sep 28, 2012
Description
PCTISA
Sep 28, 2012
Drawings
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