The weekly litigation news digest is live. Subscribe now
The patent EP2971088 was granted to DSM Assets on May 29, 2024. The application was filed on Mar 13, 2014 under application number EP14715554A. 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 |
|---|---|---|---|
| CHR HANSEN | Nov 27, 2019 | HOFFMANN EITLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE102004023188 |
| INTERNATIONAL-SEARCH-REPORT | EP2238837 |
| INTERNATIONAL-SEARCH-REPORT | WO0177334 |
| INTERNATIONAL-SEARCH-REPORT | WO2010049540 |
| OPPOSITION | EP13158881 |
| OPPOSITION | WO0177334 |
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
Get instant alerts for new documents
May 7, 2024
May 7, 2024
May 3, 2024
May 3, 2024
Apr 29, 2024
Apr 23, 2024
Apr 23, 2024
Apr 23, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Jan 22, 2024
Jan 22, 2024
Jan 22, 2024
Jan 19, 2024
Refund of fees
Search/Exam
Jan 17, 2024
Jan 17, 2024
Jan 17, 2024
Jan 16, 2024
Jan 16, 2024
Jan 11, 2024
Jan 11, 2024
Jan 10, 2024
(Electronic) Receipt
Appeal
Jan 10, 2024
Jan 10, 2024
Withdrawal of an appeal
Appeal
Jan 8, 2024
Jan 8, 2024
Jan 8, 2024
Jan 5, 2024
Jan 2, 2024
(Electronic) Receipt
Appeal
Jan 2, 2024
Dec 29, 2023
(Electronic) Receipt
Appeal
Dec 29, 2023
Dec 29, 2023
Dec 22, 2023
(Electronic) Receipt
Appeal
Dec 22, 2023
Dec 22, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 8, 2023
(Electronic) Receipt
Appeal
Dec 8, 2023
Dec 8, 2023
Jul 17, 2023
Jul 17, 2023
Jul 13, 2023
Jul 12, 2023
Jul 12, 2023
Jul 7, 2023
(Electronic) Receipt
Appeal
Jul 7, 2023
Jul 7, 2023
Jul 7, 2023
Jul 5, 2023
Jul 5, 2023
Jul 5, 2023
Jul 5, 2023
Jun 30, 2023
Aug 18, 2022
May 3, 2022
Apr 28, 2022
(Electronic) Receipt
Appeal
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Reply to appeal
Appeal
Dec 17, 2021
Dec 13, 2021
(Electronic) Receipt
Appeal
Dec 13, 2021
Dec 13, 2021
Dec 13, 2021
Oct 18, 2021
Oct 18, 2021
Oct 12, 2021
(Electronic) Receipt
Appeal
Oct 12, 2021
Oct 12, 2021
Notice of appeal
Appeal
Aug 3, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Means of redress
OPPO
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
May 12, 2021
Apr 23, 2021
Apr 23, 2021
Apr 9, 2021
Apr 9, 2021
Mar 19, 2021
Mar 17, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 11, 2021
Mar 11, 2021
Mar 11, 2021
Mar 11, 2021
Mar 11, 2021
Mar 11, 2021
Mar 11, 2021
Mar 11, 2021
Feb 26, 2021
Feb 26, 2021
Feb 10, 2021
Feb 10, 2021
Oct 5, 2020
Oct 5, 2020
Oct 5, 2020
Oct 1, 2020
Sep 28, 2020
Sep 28, 2020
Sep 28, 2020
Sep 28, 2020
Sep 28, 2020
Sep 28, 2020
Apr 24, 2020
Apr 20, 2020
Apr 20, 2020
Apr 20, 2020
Apr 20, 2020
Apr 20, 2020
Apr 20, 2020
Apr 20, 2020
Apr 20, 2020
Apr 20, 2020
Apr 20, 2020
Apr 20, 2020
Dec 11, 2019
Dec 11, 2019
Dec 2, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Mar 11, 2019
Jan 31, 2019
Decision to grant a European patent
Search/Exam
Jan 9, 2019
(Electronic) Receipt
Search/Exam
Jan 9, 2019
Filing of the translations of the claims
Search/Exam
Jan 9, 2019
French translation of claims
Search/Exam
Jan 9, 2019
German translation of the claims
Search/Exam
Jan 9, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 14, 2018
Sep 14, 2018
Sep 14, 2018
Intention to grant (signatures)
Search/Exam
Sep 14, 2018
Text intended for grant (clean copy)
Search/Exam
Sep 14, 2018
Text intended for grant (sequence listing)
Search/Exam
Sep 14, 2018
Apr 10, 2018
(Electronic) Receipt
Search/Exam
Apr 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 10, 2018
Feb 28, 2018
Annex to the communication
Search/Exam
Feb 28, 2018
Feb 28, 2018
Nov 6, 2017
(Electronic) Receipt
Search/Exam
Nov 6, 2017
Amended description with annotations
Search/Exam
Nov 6, 2017
Description
Search/Exam
Nov 6, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 6, 2017
Oct 18, 2017
Oct 3, 2017
Sep 11, 2017
Annex to the communication
Search/Exam
Sep 11, 2017
Sep 11, 2017
May 9, 2017
(Electronic) Receipt
Search/Exam
May 9, 2017
Amended claims with annotations
Search/Exam
May 9, 2017
Amended description with annotations
Search/Exam
May 9, 2017
Claims
Search/Exam
May 9, 2017
Description
Search/Exam
May 9, 2017
Letter accompanying subsequently filed items
Search/Exam
May 9, 2017
Apr 24, 2017
Apr 13, 2017
(Electronic) Receipt
Search/Exam
Apr 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 13, 2017
Dec 15, 2016
Annex to the communication
Search/Exam
Dec 15, 2016
Communication from the Examining Division
Search/Exam
Dec 9, 2016
Examination started
Search/Exam
Aug 30, 2016
Apr 15, 2016
(Electronic) Receipt
Search/Exam
Apr 15, 2016
Apr 15, 2016
Amended claims with annotations
Search/Exam
Apr 15, 2016
Amendments received before examination
Search/Exam
Apr 15, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 23, 2015
Oct 21, 2015
Refund of fees
Search/Exam
Oct 20, 2015
Oct 16, 2015
Communication to designated inventor
Search/Exam
Oct 16, 2015
Communication to designated inventor
Search/Exam
Oct 16, 2015
Communication to designated inventor
Search/Exam
Oct 16, 2015
Communication to designated inventor
Search/Exam
Oct 16, 2015
Communication to designated inventor
Search/Exam
Oct 13, 2015
Priority search results copy provided by EPO
Search/Exam
Oct 1, 2015
Sep 16, 2015
(Electronic) Receipt
Search/Exam
Sep 16, 2015
Request for entry into the European phase
Search/Exam
Sep 15, 2015
Sep 15, 2015
Sep 15, 2015
Notification of the recording of a change
Search/Exam
Sep 15, 2015
Notification of the recording of a change
Search/Exam
Sep 1, 2015
Sep 1, 2015
Sep 1, 2015
Notification of the recording of a change
Search/Exam
Sep 1, 2015
Notification of the recording of a change
Search/Exam
Jul 22, 2015
Information on entry into European phase
Search/Exam
Oct 8, 2014
Sep 18, 2014
Converted Sequence Listing
Search/Exam
Sep 18, 2014
Copy of the international search report
Search/Exam
Sep 18, 2014
Published international application - A1
Search/Exam
Aug 6, 2014
Aug 5, 2014
Aug 5, 2014
Aug 5, 2014
Aug 1, 2014
Annex
PCTRO
May 13, 2014
Annex
PCTRO
Mar 20, 2014
Drawings
PCTRO
Mar 13, 2014
(Electronic) Receipt
PCTRO
Mar 13, 2014
Abstract
PCTRO
Mar 13, 2014
Claims
PCTRO
Mar 13, 2014
Description
PCTRO
Mar 13, 2014