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The patent EP2906811 was granted to Ingevity South Carolina on Feb 14, 2018. The application was filed on Oct 10, 2013 under application number EP13784065A. 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 |
|---|---|---|---|
| BASF | Nov 6, 2018 | ALTMANN STOSSEL DICK PATENTANWALTE PARTG MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US4894072 |
| DESCRIPTION | US5957114 |
| DESCRIPTION | US6098601 |
| DESCRIPTION | US6279548 |
| DESCRIPTION | USRE38844E |
| INTERNATIONAL-SEARCH-REPORT | EP1491755 |
| INTERNATIONAL-SEARCH-REPORT | US2010212496 |
| INTERNATIONAL-SEARCH-REPORT | US6279548 |
| INTERNATIONAL-SEARCH-REPORT | US6540815 |
| OPPOSITION | USRE38844E |
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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Jun 10, 2022
Jun 9, 2022
Advice of delivery
Appeal
Jun 9, 2022
Jun 9, 2022
Jun 9, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 6, 2022
(Electronic) Receipt
Appeal
May 6, 2022
May 6, 2022
May 6, 2022
Apr 25, 2022
Apr 23, 2022
(Electronic) Receipt
Appeal
Apr 23, 2022
Apr 23, 2022
Apr 1, 2022
Apr 1, 2022
Mar 11, 2022
Mar 8, 2022
(Electronic) Receipt
Appeal
Mar 8, 2022
Mar 8, 2022
Dec 6, 2021
Dec 6, 2021
Aug 3, 2021
(Electronic) Receipt
Appeal
Aug 3, 2021
Advice of delivery
Appeal
Aug 3, 2021
Jul 27, 2021
Advice of delivery
Appeal
Jul 27, 2021
Jul 27, 2021
Jul 22, 2021
Jul 20, 2021
Jul 15, 2021
(Electronic) Receipt
Appeal
Jul 15, 2021
Jul 15, 2021
Apr 12, 2021
Jan 18, 2021
Jan 8, 2021
(Electronic) Receipt
Appeal
Jan 8, 2021
Jan 8, 2021
Claims
Appeal
Jan 8, 2021
Jan 8, 2021
Reply to appeal
Appeal
Nov 30, 2020
Aug 31, 2020
Aug 24, 2020
(Electronic) Receipt
Appeal
Aug 24, 2020
Aug 24, 2020
May 25, 2020
May 25, 2020
May 15, 2020
(Electronic) Receipt
Appeal
May 15, 2020
May 15, 2020
Notice of appeal
Appeal
Apr 23, 2020
Apr 23, 2020
Apr 23, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
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Apr 15, 2020
Apr 15, 2020
Means of redress
OPPO
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Feb 6, 2020
Feb 4, 2020
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Jan 17, 2020
Jan 15, 2020
Jan 13, 2020
Jan 13, 2020
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Dec 12, 2019
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Dec 4, 2019
Dec 4, 2019
Claims
OPPO
Dec 4, 2019
Dec 4, 2019
Dec 3, 2019
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Nov 29, 2019
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Jun 14, 2019
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Apr 5, 2019
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Claims
OPPO
Apr 5, 2019
Claims
OPPO
Apr 5, 2019
Apr 5, 2019
Mar 28, 2019
Feb 19, 2019
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Jan 31, 2019
Jan 25, 2019
Nov 29, 2018
Nov 29, 2018
Nov 13, 2018
Nov 6, 2018
Nov 6, 2018
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Nov 6, 2018
Nov 6, 2018
Mar 2, 2018
Jan 18, 2018
Decision to grant a European patent
Search/Exam
Dec 5, 2017
Oct 9, 2017
Filing of the translations of the claims
Search/Exam
Oct 9, 2017
French translation of claims
Search/Exam
Oct 9, 2017
German translation of the claims
Search/Exam
Oct 9, 2017
Payment of fees and costs
Search/Exam
Sep 29, 2017
Filing of the translations of the claims
Search/Exam
Sep 29, 2017
French translation of claims
Search/Exam
Sep 29, 2017
German translation of the claims
Search/Exam
Sep 29, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 29, 2017
Payment of fees and costs
Search/Exam
Sep 29, 2017
Payment of fees and costs
Search/Exam
May 24, 2017
May 24, 2017
May 24, 2017
Intention to grant (signatures)
Search/Exam
May 24, 2017
Text intended for grant (clean copy)
Search/Exam
May 24, 2017
Sep 20, 2016
Sep 12, 2016
Amended claims with annotations
Search/Exam
Sep 12, 2016
Amended description with annotations
Search/Exam
Sep 12, 2016
Claims
Search/Exam
Sep 12, 2016
Description
Search/Exam
Sep 12, 2016
Sep 8, 2016
Amended claims with annotations
Search/Exam
Sep 8, 2016
Amended description with annotations
Search/Exam
Sep 8, 2016
Claims
Search/Exam
Sep 8, 2016
Description
Search/Exam
Sep 8, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 8, 2016
Aug 8, 2016
Payment of fees and costs
Search/Exam
Aug 2, 2016
Annexes in respect of a client data request
Search/Exam
Aug 2, 2016
Payment of fees and costs
Search/Exam
Aug 2, 2016
Payment of fees and costs
Search/Exam
Aug 2, 2016
May 4, 2016
Annex to the communication
Search/Exam
May 4, 2016
Communication from the Examining Division
Search/Exam
Apr 28, 2016
Examination started
Search/Exam
Jan 11, 2016
Jan 11, 2016
Amended claims with annotations
Search/Exam
Jan 11, 2016
Amendments received before examination
Search/Exam
Jan 6, 2016
Jan 6, 2016
Amended claims with annotations
Search/Exam
Jan 6, 2016
Amendments received before examination
Search/Exam
Jan 6, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 22, 2015
Jun 26, 2015
Jun 24, 2015
Communication to designated inventor
Search/Exam
Jun 24, 2015
Communication to designated inventor
Search/Exam
Jun 24, 2015
Communication to designated inventor
Search/Exam
Jun 24, 2015
Communication to designated inventor
Search/Exam
Apr 28, 2015
Apr 21, 2015
(Electronic) Receipt
Search/Exam
Apr 21, 2015
Request for entry into the European phase
Search/Exam
Apr 21, 2015
Submission concerning representation
Search/Exam
Feb 20, 2015
Information on entry into European phase
Search/Exam
May 7, 2014
Apr 17, 2014
Copy of the international search report
Search/Exam
Apr 17, 2014
Published international application - A1
Search/Exam
Mar 28, 2014
Mar 28, 2014
Mar 28, 2014
Oct 23, 2013
Abstract
PCTISA
Oct 23, 2013
Claims
PCTISA
Oct 23, 2013
Description
PCTISA
Oct 23, 2013
Drawings
PCTISA
Oct 23, 2013