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The patent EP2931301 was granted to Merck Sharp & Dohme on Sep 15, 2021. The application was filed on Dec 12, 2013 under application number EP13864587A. 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 |
|---|---|---|---|
| HERZOG FIESSER & PARTNER PATENTANWALTE PARTG MBB | Apr 24, 2019 | ALTMANN STOSSEL DICK PATENTANWALTE PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0849277 |
| DESCRIPTION | US5101013 |
| DESCRIPTION | US5473049 |
| DESCRIPTION | US5621073 |
| DESCRIPTION | US5663291 |
| DESCRIPTION | US5977297 |
| DESCRIPTION | US5986048 |
| DESCRIPTION | US6380355 |
| DESCRIPTION | US6710167 |
| DESCRIPTION | US7803763 |
| DESCRIPTION | WO2009099763 |
| DESCRIPTION | WO2010080606 |
| DESCRIPTION | WO2010080609 |
| INTERNATIONAL-SEARCH-REPORT | AU3172477 |
| INTERNATIONAL-SEARCH-REPORT | US2004029164 |
| INTERNATIONAL-SEARCH-REPORT | US2004102615 |
| INTERNATIONAL-SEARCH-REPORT | US2009312236 |
| INTERNATIONAL-SEARCH-REPORT | US2011065901 |
| INTERNATIONAL-SEARCH-REPORT | US2012149878 |
| INTERNATIONAL-SEARCH-REPORT | US5700662 |
| INTERNATIONAL-SEARCH-REPORT | US6531448 |
| INTERNATIONAL-SEARCH-REPORT | US6710167 |
| INTERNATIONAL-SEARCH-REPORT | US7803763 |
| INTERNATIONAL-SEARCH-REPORT | US7968679 |
| INTERNATIONAL-SEARCH-REPORT | US8048854 |
| INTERNATIONAL-SEARCH-REPORT | WO2011090719 |
| OPPOSITION | GB2173503 |
| OPPOSITION | US5101013 |
| OPPOSITION | US5977297 |
| OPPOSITION | US6451987 |
| OPPOSITION | US7803763 |
| SEARCH | EP0849277 |
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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Sep 21, 2022
Refund of fees
Search/Exam
Sep 14, 2022
Sep 12, 2022
Sep 12, 2022
Sep 12, 2022
Sep 12, 2022
Aug 26, 2022
Aug 18, 2022
Annexes in respect of a client data request
Search/Exam
Aug 18, 2022
General authorisation
Search/Exam
Aug 18, 2022
Letter concerning fees and payments
Search/Exam
Aug 18, 2022
Aug 18, 2022
Aug 19, 2021
Aug 19, 2021
Aug 13, 2021
Refund of fees
OPPO
Aug 13, 2021
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Means of redress
OPPO
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Aug 6, 2018
Jun 28, 2018
Decision to grant a European patent
Search/Exam
Jun 12, 2018
(Electronic) Receipt
Search/Exam
Jun 12, 2018
Filing of the translations of the claims
Search/Exam
Jun 12, 2018
French translation of claims
Search/Exam
Jun 12, 2018
German translation of the claims
Search/Exam
Jun 12, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 27, 2018
Feb 27, 2018
Feb 27, 2018
Intention to grant (signatures)
Search/Exam
Feb 27, 2018
Text intended for grant (clean copy)
Search/Exam
Feb 27, 2018
Text intended for grant (sequence listing)
Search/Exam
Feb 27, 2018
Nov 9, 2017
(Electronic) Receipt
Search/Exam
Nov 9, 2017
Amended description with annotations
Search/Exam
Nov 9, 2017
Description
Search/Exam
Nov 9, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 9, 2017
Sep 13, 2017
Sep 8, 2017
(Electronic) Receipt
Search/Exam
Sep 8, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 8, 2017
Jun 30, 2017
Annex to the communication
Search/Exam
Jun 30, 2017
Communication from the Examining Division
Search/Exam
Jun 26, 2017
Examination started
Search/Exam
Dec 20, 2016
(Electronic) Receipt
Search/Exam
Dec 20, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 20, 2016
Reply to Written Opinion prepared by the EPO
Search/Exam
Jun 10, 2016
May 25, 2016
May 25, 2016
European search opinion
Search/Exam
May 25, 2016
Information on Search Strategy
Search/Exam
May 25, 2016
Supplementary European search report
Search/Exam
May 11, 2016
Search started
Search/Exam
Sep 23, 2015
Aug 28, 2015
Aug 7, 2015
Communication to designated inventor
Search/Exam
Aug 7, 2015
Communication to designated inventor
Search/Exam
Aug 7, 2015
Communication to designated inventor
Search/Exam
Aug 7, 2015
Communication to designated inventor
Search/Exam
Jul 16, 2015
(Electronic) Receipt
Search/Exam
Jul 16, 2015
Jul 16, 2015
Amended claims with annotations
Search/Exam
Jul 16, 2015
Converted Sequence Listing
Search/Exam
Jul 16, 2015
Request for entry into the European phase
Search/Exam
Jul 7, 2015
May 4, 2015
Information on entry into European phase
Search/Exam
Jul 17, 2014
Jun 26, 2014
Converted Sequence Listing
Search/Exam
Jun 26, 2014
Copy of the international search report
Search/Exam
Jun 26, 2014
Published international application - A1
Search/Exam