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The patent EP2968549 was granted to Momenta Pharmaceuticals on Nov 23, 2022. The application was filed on Mar 12, 2014 under application number EP14769180A. 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 |
|---|---|---|---|
| BAYER | Jan 31, 2020 | BIP PATENTS | - |
| REGENERON PHARMACEUTICALS | Jan 31, 2020 | GRUNECKER PATENT | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US5721121 |
| DESCRIPTION | US5807715 |
| DESCRIPTION | US6180370 |
| DESCRIPTION | US7332303 |
| DESCRIPTION | US7541164 |
| DESCRIPTION | WO0230954 |
| DESCRIPTION | WO2008128216 |
| DESCRIPTION | WO2008128218 |
| DESCRIPTION | WO2008128219 |
| DESCRIPTION | WO2008128220 |
| DESCRIPTION | WO2008128221 |
| DESCRIPTION | WO2008128222 |
| DESCRIPTION | WO2008128225 |
| DESCRIPTION | WO2008128227 |
| DESCRIPTION | WO2008128228 |
| DESCRIPTION | WO2008128230 |
| DESCRIPTION | WO2008130924 |
| DESCRIPTION | WO2008130926 |
| DESCRIPTION | WO2010071817 |
| DESCRIPTION | WO2010071824 |
| DESCRIPTION | WO2010085251 |
| DESCRIPTION | WO2011061275 |
| DESCRIPTION | WO2011069056 |
| DESCRIPTION | WO2011127322 |
| DESCRIPTION | WO9222324 |
| DESCRIPTION | WO9846645 |
| INTERNATIONAL-SEARCH-REPORT | US2012183997 |
| INTERNATIONAL-SEARCH-REPORT | WO2011119115 |
| INTERNATIONAL-SEARCH-REPORT | WO2011127322 |
| OPPOSITION | EP2325296 |
| OPPOSITION | EP2971040 |
| OPPOSITION | US2012329709 |
| OPPOSITION | WO2004008100 |
| OPPOSITION | WO2008128227 |
| OPPOSITION | WO2009027041 |
| OPPOSITION | WO2010138502 |
| OPPOSITION | WO2011061275 |
| OPPOSITION | WO2013009648 |
| SEARCH | WO2010141855 |
| SEARCH | WO2011061275 |
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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Oct 27, 2022
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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 8, 2022
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(Electronic) Receipt
Appeal
Mar 28, 2022
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Notice of appeal
Appeal
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Apr 11, 2019
Decision to grant a European patent
Search/Exam
Mar 4, 2019
(Electronic) Receipt
Search/Exam
Mar 4, 2019
Filing of the translations of the claims
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Mar 4, 2019
French translation of claims
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Mar 4, 2019
German translation of the claims
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Mar 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 25, 2018
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Intention to grant (signatures)
Search/Exam
Oct 25, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 25, 2018
Sep 19, 2018
(Electronic) Receipt
Search/Exam
Sep 19, 2018
Amended description with annotations
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Sep 19, 2018
Description
Search/Exam
Sep 19, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 19, 2018
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Intention to grant (signatures)
Search/Exam
May 15, 2018
Text intended for grant (clean copy)
Search/Exam
May 15, 2018
Apr 4, 2018
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Nov 16, 2017
(Electronic) Receipt
Search/Exam
Nov 16, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 16, 2017
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Annex to the communication
Search/Exam
Jul 6, 2017
Communication from the Examining Division
Search/Exam
Jun 27, 2017
Examination started
Search/Exam
Feb 15, 2017
(Electronic) Receipt
Search/Exam
Feb 15, 2017
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Amended claims with annotations
Search/Exam
Feb 15, 2017
Amendments received before examination
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Feb 15, 2017
Letter accompanying subsequently filed items
Search/Exam
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European search opinion
Search/Exam
Jul 19, 2016
Information on Search Strategy
Search/Exam
Jul 19, 2016
Supplementary European search report
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Jun 28, 2016
Search started
Search/Exam
Apr 29, 2016
(Electronic) Receipt
Search/Exam
Apr 29, 2016
Apr 29, 2016
Amended claims with annotations
Search/Exam
Apr 29, 2016
Amendments received before examination
Search/Exam
Apr 29, 2016
Letter accompanying subsequently filed items
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Mar 18, 2016
(Electronic) Receipt
Search/Exam
Mar 18, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 18, 2016
Submission concerning representation
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Oct 2, 2015
Jul 30, 2015
(Electronic) Receipt
Search/Exam
Jul 30, 2015
Request for entry into the European phase
Search/Exam
Jul 30, 2015
Submission concerning representation
Search/Exam
Jul 29, 2015
Information on entry into European phase
Search/Exam
Oct 14, 2014
Sep 25, 2014
Copy of the international search report
Search/Exam
Sep 25, 2014
Published international application - A1
Search/Exam