The patent EP3523835 was granted to Merck Patent on Nov 16, 2022. The application was originally filed on Oct 2, 2017 under application number EP17772747A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2883881 |
| DESCRIPTION | JP2013131477 |
| DESCRIPTION | US2004187911 |
| DESCRIPTION | US2006090791 |
| DESCRIPTION | US2007102696 |
| DESCRIPTION | US2007181179 |
| DESCRIPTION | US2007246094 |
| DESCRIPTION | US2007272296 |
| DESCRIPTION | US2009211633 |
| DESCRIPTION | US7476278 |
| DESCRIPTION | US8129616 |
| DESCRIPTION | US8242356 |
| DESCRIPTION | WO0053656 |
| DESCRIPTION | WO2004022626 |
| DESCRIPTION | WO2012114315 |
| DESCRIPTION | WO2012114316 |
| DESCRIPTION | WO2013142841 |
| DESCRIPTION | WO2014082704 |
| DESCRIPTION | WO2014082706 |
| INTERNATIONAL-SEARCH-REPORT | WO2014029453 |
| INTERNATIONAL-SEARCH-REPORT | WO2015004393 |
| OPPOSITION | CN105524256 |
| OPPOSITION | EP2133321 |
| OPPOSITION | EP2223918 |
| OPPOSITION | US2012283377 |
| OPPOSITION | US2013324685 |
| OPPOSITION | WO2015067335 |
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
Get a free citation report including examiner, opposition, and international search citations.
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Nov 29, 2022
Oct 20, 2022
Decision to grant a European patent
Search/Exam
Oct 11, 2022
(Electronic) Receipt
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Oct 11, 2022
Filing of the translations of the claims
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Oct 11, 2022
French translation of claims
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Oct 11, 2022
German translation of the claims
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Oct 11, 2022
Letter accompanying subsequently filed items
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Jul 18, 2022
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Intention to grant (signatures)
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Jul 18, 2022
Text intended for grant (clean copy)
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(Electronic) Receipt
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Jan 11, 2022
Amended claims with annotations
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Jan 11, 2022
Amended description with annotations
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Jan 11, 2022
Claims
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Jan 11, 2022
Description
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Jan 11, 2022
Enquiry as to the processing of the file
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Jan 11, 2022
Letter accompanying subsequently filed items
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Jan 11, 2022
Sep 2, 2021
Annex to the communication
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Sep 2, 2021
Communication from the Examining Division
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Aug 27, 2021
Examination started
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Aug 20, 2020
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Annexes in respect of a client data request
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Jul 9, 2020
General authorisation
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(Electronic) Receipt
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Oct 1, 2019
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Amendments received before examination
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Oct 1, 2019
Letter accompanying subsequently filed items
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Jul 17, 2019
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Apr 29, 2019
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(Electronic) Receipt
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Mar 29, 2019
Request for entry into the European phase
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Feb 15, 2019
Information on entry into European phase
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Copy of the international search report
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Apr 12, 2018
Published international application - A1
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(Electronic) Receipt
PCTRO
Oct 2, 2017
Abstract
PCTRO
Oct 2, 2017
Claims
PCTRO
Oct 2, 2017
Description
PCTRO
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PCTRO
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