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The patent EP3423563 was granted to Myriant on May 24, 2023. The application was filed on Mar 1, 2017 under application number EP17760744A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| BUDDE SCHOU | Feb 23, 2024 | BUDDE SCHOU | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP19860300748 |
| DESCRIPTION | US2009191610 |
| DESCRIPTION | US2010314243 |
| DESCRIPTION | US2013337519 |
| DESCRIPTION | US2014234923 |
| DESCRIPTION | US2015044755 |
| DESCRIPTION | US2016017381 |
| DESCRIPTION | US4480034 |
| DESCRIPTION | US4535059 |
| DESCRIPTION | US4588688 |
| DESCRIPTION | US4608338 |
| DESCRIPTION | US4681852 |
| DESCRIPTION | US4753883 |
| DESCRIPTION | US4833078 |
| DESCRIPTION | US4968612 |
| DESCRIPTION | US5168056 |
| DESCRIPTION | US5272073 |
| DESCRIPTION | US5487987 |
| DESCRIPTION | US5616496 |
| DESCRIPTION | US6180373 |
| DESCRIPTION | US6210937 |
| DESCRIPTION | US6472169 |
| DESCRIPTION | US6600077 |
| DESCRIPTION | US6613552 |
| DESCRIPTION | US6692794 |
| DESCRIPTION | US6962794 |
| DESCRIPTION | US7244593 |
| DESCRIPTION | US7638312 |
| DESCRIPTION | US7790431 |
| DESCRIPTION | US8871489 |
| DESCRIPTION | US9017976 |
| DESCRIPTION | WO2011017560 |
| DESCRIPTION | WO2011085311 |
| DESCRIPTION | WO2011123154 |
| DESCRIPTION | WO2012082720 |
| DESCRIPTION | WO2013116244 |
| INTERNATIONAL-SEARCH-REPORT | US2015044755 |
| OPPOSITION | US2015044755 |
| OPPOSITION | US2016017381 |
| OPPOSITION | WO2011085311 |
| OPPOSITION | WO2012106257 |
| OPPOSITION | WO9507996 |
| SEARCH | US2015044755 |
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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Description
OPPO
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Description
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Jun 6, 2023
Apr 28, 2023
Decision to grant a European patent
Search/Exam
Apr 12, 2023
(Electronic) Receipt
Search/Exam
Apr 12, 2023
Filing of the translations of the claims
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Apr 12, 2023
French translation of claims
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Apr 12, 2023
German translation of the claims
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Apr 12, 2023
Letter accompanying subsequently filed items
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Jan 9, 2023
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Intention to grant (signatures)
Search/Exam
Jan 9, 2023
Text intended for grant (clean copy)
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Jan 9, 2023
Sep 5, 2022
Aug 19, 2022
(Electronic) Receipt
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Aug 19, 2022
Enquiry as to the processing of the file
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Aug 19, 2022
Letter accompanying subsequently filed items
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Jun 10, 2020
(Electronic) Receipt
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Jun 10, 2020
Amended claims with annotations
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Jun 10, 2020
Amended description with annotations
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Jun 10, 2020
Claims
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Jun 10, 2020
Description
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Jun 10, 2020
Letter accompanying subsequently filed items
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Jun 10, 2020
Apr 30, 2020
Annex to the communication
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Apr 30, 2020
Communication from the Examining Division
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Apr 21, 2020
Examination started
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Jan 31, 2020
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Amended claims with annotations
Search/Exam
Jan 31, 2020
Amended claims with annotations
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Jan 31, 2020
Amendments received before examination
Search/Exam
Oct 7, 2019
Sep 17, 2019
Sep 17, 2019
European search opinion
Search/Exam
Sep 17, 2019
Information on Search Strategy
Search/Exam
Sep 17, 2019
Supplementary European search report
Search/Exam
Sep 9, 2019
Search started
Search/Exam
Mar 28, 2019
Mar 25, 2019
Note on telephone consultation
Search/Exam
Mar 5, 2019
Annexes in respect of a client data request
Search/Exam
Mar 5, 2019
Feb 15, 2019
Feb 7, 2019
Jan 3, 2019
Communication to designated inventor
Search/Exam
Dec 12, 2018
Annexes in respect of a client data request
Search/Exam
Dec 12, 2018
Letter concerning the inventor
Search/Exam
Dec 12, 2018
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Dec 11, 2018
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Amendments received before examination
Search/Exam
Nov 20, 2018
Nov 8, 2018
Letter which had not been notified
Search/Exam
Oct 10, 2018
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Oct 8, 2018
Communication to designated inventor
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Oct 8, 2018
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Oct 8, 2018
Communication to designated inventor
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Sep 19, 2018
Sep 11, 2018
(Electronic) Receipt
Search/Exam
Sep 11, 2018
Converted Sequence Listing
Search/Exam
Sep 11, 2018
Letter concerning the inventor
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Sep 11, 2018
Request for entry into the European phase
Search/Exam
Jul 13, 2018
Information on entry into European phase
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Sep 25, 2017
Sep 8, 2017
Converted Sequence Listing
Search/Exam
Sep 8, 2017
Copy of the international search report
Search/Exam
Sep 8, 2017
Published international application - A1
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