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The patent EP3172315 was granted to DSM Assets on Sep 30, 2020. The application was filed on Jul 23, 2015 under application number EP15750646A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| N&H DENMARK APS | Jun 30, 2021 | D YOUNG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | WO2015124718 |
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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Apr 23, 2025
Apr 23, 2025
Apr 23, 2025
Apr 9, 2025
Apr 9, 2025
Apr 8, 2025
Apr 7, 2025
(Electronic) Receipt
Appeal
Apr 7, 2025
Apr 7, 2025
Mar 24, 2025
Mar 21, 2025
(Electronic) Receipt
Appeal
Mar 21, 2025
Mar 21, 2025
Feb 11, 2025
Feb 11, 2025
Oct 1, 2024
Sep 24, 2024
Annexes in respect of a client data request
Search/Exam
Sep 24, 2024
Annexes in respect of a client data request
Search/Exam
Sep 24, 2024
Annexes in respect of a client data request
Search/Exam
Sep 24, 2024
Letter accompanying subsequently filed items
Search/Exam
Sep 24, 2024
Sep 3, 2024
Aug 28, 2024
Annexes in respect of a client data request
Search/Exam
Aug 28, 2024
Letter accompanying subsequently filed items
Search/Exam
Aug 28, 2024
Jul 9, 2024
Jul 9, 2024
Jun 11, 2024
(Electronic) Receipt
Appeal
Jun 11, 2024
Annex
Appeal
Jun 11, 2024
Annex
Appeal
Jun 11, 2024
Jun 11, 2024
May 3, 2024
May 3, 2024
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Apr 29, 2024
Apr 23, 2024
Apr 16, 2024
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Apr 10, 2024
(Electronic) Receipt
Appeal
Apr 10, 2024
Apr 10, 2024
Mar 13, 2024
Oct 10, 2023
Oct 10, 2023
Oct 3, 2023
(Electronic) Receipt
Appeal
Oct 3, 2023
Oct 3, 2023
Reply to appeal
Appeal
Oct 2, 2023
(Electronic) Receipt
Appeal
Oct 2, 2023
Oct 2, 2023
Reply to appeal
Appeal
Jun 2, 2023
Jun 2, 2023
May 25, 2023
(Electronic) Receipt
Appeal
May 25, 2023
May 25, 2023
May 17, 2023
(Electronic) Receipt
Appeal
May 17, 2023
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Mar 24, 2023
Mar 24, 2023
Mar 17, 2023
(Electronic) Receipt
Appeal
Mar 17, 2023
(Electronic) Receipt
Appeal
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Notice of appeal
Appeal
Mar 17, 2023
Notice of appeal
Appeal
Jan 23, 2023
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Jan 19, 2023
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Means of redress
OPPO
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Oct 12, 2020
Sep 3, 2020
Decision to grant a European patent
Search/Exam
Aug 14, 2020
(Electronic) Receipt
Search/Exam
Aug 14, 2020
Filing of the translations of the claims
Search/Exam
Aug 14, 2020
French translation of claims
Search/Exam
Aug 14, 2020
German translation of the claims
Search/Exam
Aug 14, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 14, 2020
Apr 14, 2020
Apr 14, 2020
Intention to grant (signatures)
Search/Exam
Apr 14, 2020
Text intended for grant (clean copy)
Search/Exam
Apr 14, 2020
Text intended for grant (sequence listing)
Search/Exam
Apr 14, 2020
Jul 30, 2019
(Electronic) Receipt
Search/Exam
Jul 30, 2019
Amended description with annotations
Search/Exam
Jul 30, 2019
Description
Search/Exam
Jul 30, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 30, 2019
Letter concerning biological material
Search/Exam
Jul 30, 2019
Jun 6, 2019
May 29, 2019
(Electronic) Receipt
Search/Exam
May 29, 2019
Letter accompanying subsequently filed items
Search/Exam
May 29, 2019
Feb 14, 2019
Annex to the communication
Search/Exam
Feb 14, 2019
Communication from the Examining Division
Search/Exam
Sep 18, 2018
(Electronic) Receipt
Search/Exam
Sep 18, 2018
Amended claims with annotations
Search/Exam
Sep 18, 2018
Claims
Search/Exam
Sep 18, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 18, 2018
Jul 17, 2018
Jul 12, 2018
(Electronic) Receipt
Search/Exam
Jul 12, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 12, 2018
Mar 15, 2018
Annex to the communication
Search/Exam
Mar 15, 2018
Communication from the Examining Division
Search/Exam
Feb 27, 2018
(Electronic) Receipt
Search/Exam
Feb 27, 2018
Amended claims with annotations
Search/Exam
Feb 27, 2018
Claims
Search/Exam
Feb 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 27, 2018
Nov 17, 2017
Annex to the communication
Search/Exam
Nov 17, 2017
Communication from the Examining Division
Search/Exam
Nov 8, 2017
Examination started
Search/Exam
Oct 18, 2017
Oct 3, 2017
Aug 31, 2017
(Electronic) Receipt
Search/Exam
Aug 31, 2017
Aug 31, 2017
Amended claims with annotations
Search/Exam
Aug 31, 2017
Amendments received before examination
Search/Exam
Aug 31, 2017
Letter accompanying subsequently filed items
Search/Exam
May 4, 2017
Mar 3, 2017
Mar 1, 2017
Communication to designated inventor
Search/Exam
Mar 1, 2017
Communication to designated inventor
Search/Exam
Mar 1, 2017
Communication to designated inventor
Search/Exam
Mar 1, 2017
Communication to designated inventor
Search/Exam
Mar 1, 2017
Communication to designated inventor
Search/Exam
Feb 24, 2017
Priority search results copy provided by EPO
Search/Exam
Feb 7, 2017
Dec 15, 2016
(Electronic) Receipt
Search/Exam
Dec 15, 2016
Dec 15, 2016
Dec 15, 2016
Request for entry into the European phase
Search/Exam
Dec 2, 2016
Information on entry into European phase
Search/Exam
Feb 16, 2016
Feb 1, 2016
Jan 28, 2016
Converted Sequence Listing
Search/Exam
Jan 28, 2016
Copy of the international search report
Search/Exam
Jan 28, 2016
Published international application - A1
Search/Exam
Nov 11, 2015
ISR: cited documents
PCTISA
Nov 10, 2015
Nov 10, 2015
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Sep 10, 2015
Aug 31, 2015
Aug 31, 2015
Aug 25, 2015
Jul 23, 2015
(Electronic) Receipt
PCTRO
Jul 23, 2015
Abstract
PCTRO
Jul 23, 2015
Claims
PCTRO
Jul 23, 2015
Description
PCTRO
Jul 23, 2015
Drawings
PCTRO
Jul 23, 2015
Jul 23, 2015
Jul 23, 2015
Jul 23, 2015