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The patent EP2984152 was granted to Merck Patent on Jan 5, 2022. The application was filed on Mar 18, 2014 under application number EP14711162A. 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 |
|---|---|---|---|
| NIPPON STEEL CHEMICAL & MATERIAL | Jan 25, 2019 | DEHNS | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP2733762 |
| EXAMINATION | WO2013011954 |
| INTERNATIONAL-SEARCH-REPORT | DE102009009277 |
| INTERNATIONAL-SEARCH-REPORT | DE102009023155 |
| INTERNATIONAL-SEARCH-REPORT | EP1956022 |
| INTERNATIONAL-SEARCH-REPORT | EP2080762 |
| INTERNATIONAL-SEARCH-REPORT | WO2011073149 |
| OPPOSITION | EP2511360 |
| OPPOSITION | EP2733761 |
| OPPOSITION | US2012068170 |
| OPPOSITION | WO2013011955 |
| OPPOSITION | WO2013026515 |
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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Means of redress
OPPO
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Claims
OPPO
Jul 16, 2019
Claims
OPPO
Jul 16, 2019
Claims
OPPO
Jul 16, 2019
Claims
OPPO
Jul 16, 2019
Claims
OPPO
Jul 16, 2019
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May 7, 2018
Mar 29, 2018
Decision to grant a European patent
Search/Exam
Mar 1, 2018
(Electronic) Receipt
Search/Exam
Mar 1, 2018
English translation of the claims
Search/Exam
Mar 1, 2018
Filing of the translations of the claims
Search/Exam
Mar 1, 2018
French translation of claims
Search/Exam
Mar 1, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 7, 2017
Dec 7, 2017
Dec 7, 2017
Dec 7, 2017
Intention to grant (signatures)
Search/Exam
Dec 7, 2017
Text intended for grant
Search/Exam
Nov 3, 2017
Oct 2, 2017
Amended claims with annotations
Search/Exam
Oct 2, 2017
Claims
Search/Exam
Oct 2, 2017
Sep 28, 2017
Amended claims with annotations
Search/Exam
Sep 28, 2017
Claims
Search/Exam
Sep 28, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 28, 2017
Jun 13, 2017
Advice of delivery
Search/Exam
Jun 7, 2017
Advice of delivery
Search/Exam
May 30, 2017
Acknowledgement of a document
Search/Exam
May 30, 2017
Annex to the communication
Search/Exam
May 30, 2017
Preparation for oral proceedings
Search/Exam
May 30, 2017
Summons to attend oral proceedings
Search/Exam
Feb 2, 2017
Amended claims with annotations
Search/Exam
Feb 2, 2017
Claims
Search/Exam
Feb 2, 2017
Jan 31, 2017
Amended claims with annotations
Search/Exam
Jan 31, 2017
Claims
Search/Exam
Jan 31, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2017
Oct 7, 2016
Annex to the communication
Search/Exam
Oct 7, 2016
Communication from the Examining Division
Search/Exam
Sep 27, 2016
Examination started
Search/Exam
Apr 8, 2016
Reply to Written Opinion prepared by the EPO
Search/Exam
Jan 20, 2016
Nov 17, 2015
Nov 13, 2015
Communication to designated inventor
Search/Exam
Nov 13, 2015
Communication to designated inventor
Search/Exam
Nov 13, 2015
Communication to designated inventor
Search/Exam
Nov 13, 2015
Communication to designated inventor
Search/Exam
Nov 13, 2015
Communication to designated inventor
Search/Exam
Oct 28, 2015
Aug 21, 2015
Information on entry into European phase
Search/Exam
Aug 10, 2015
Payment of fees and costs
Search/Exam
Aug 10, 2015
Request for entry into the European phase
Search/Exam
Nov 6, 2014
Oct 16, 2014
Copy of the international search report
Search/Exam
Oct 16, 2014
Published international application - A1
Search/Exam
Jun 5, 2014
Jun 5, 2014
Jun 5, 2014
Mar 18, 2014
Abstract
PCTRO
Mar 18, 2014
Claims
PCTRO
Mar 18, 2014
Description
PCTRO
Mar 18, 2014
Mar 18, 2014