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The patent EP3075401 was granted to Inolex Investment on Apr 3, 2024. The application was filed on Nov 26, 2008 under application number EP16162654A. 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 |
|---|---|---|---|
| ASHLAND | Jan 3, 2025 | LKGLOBAL LORENZ & KOPF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2005228032 |
| DESCRIPTION | US2007207105 |
| DESCRIPTION | US3978208 |
| DESCRIPTION | US4256765 |
| DESCRIPTION | US4661342 |
| DESCRIPTION | US6447793 |
| EXAMINATION | EP1206933 |
| EXAMINATION | GB1317518 |
| OPPOSITION | EP1206933 |
| OPPOSITION | EP3075401 |
| OPPOSITION | GB1317518 |
| OPPOSITION | US2005222276 |
| OPPOSITION | US3632764 |
| OPPOSITION | WO2007098135 |
| OPPOSITION | WO2009070736 |
| SEARCH | EP0127726 |
| SEARCH | US2006211732 |
| SEARCH | US4661342 |
| SEARCH | WO2007098135 |
| SEARCH | WO9939704 |
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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Refund of fees
Search/Exam
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Apr 16, 2024
Mar 7, 2024
Decision to grant a European patent
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Feb 26, 2024
(Electronic) Receipt
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Feb 26, 2024
Filing of the translations of the claims
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Feb 26, 2024
Letter accompanying subsequently filed items
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Feb 2, 2024
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Feb 2, 2024
Intention to grant (signatures)
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Feb 2, 2024
Text intended for grant (clean copy)
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Feb 2, 2024
Jan 19, 2024
(Electronic) Receipt
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Jan 19, 2024
Filing of the translations of the claims
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Jan 19, 2024
French translation of claims
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Jan 19, 2024
German translation of the claims
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Jan 19, 2024
Letter accompanying subsequently filed items
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Oct 12, 2023
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Oct 12, 2023
Intention to grant (signatures)
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Oct 12, 2023
Text intended for grant (clean copy)
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Oct 12, 2023
Apr 6, 2023
Decision to allow further processing
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Mar 31, 2023
(Electronic) Receipt
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Mar 31, 2023
Amended claims with annotations
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Mar 31, 2023
Amended claims with annotations
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Mar 31, 2023
Amended description with annotations
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Mar 31, 2023
Amended description with annotations
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Mar 31, 2023
Annex
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Mar 31, 2023
Citation for the examination procedure
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Mar 31, 2023
Citation for the examination procedure
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Mar 31, 2023
Claims
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Mar 31, 2023
Claims
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Mar 31, 2023
Description
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Mar 31, 2023
Description
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Mar 31, 2023
Letter accompanying subsequently filed items
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Mar 31, 2023
Request for further processing
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Mar 15, 2023
Dec 22, 2022
Dec 16, 2022
(Electronic) Receipt
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Dec 16, 2022
Letter accompanying subsequently filed items
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Dec 16, 2022
Aug 9, 2022
Annex to the communication
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Aug 9, 2022
Communication from the Examining Division
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May 4, 2022
(Electronic) Receipt
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May 4, 2022
Amended claims with annotations
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May 4, 2022
Claims
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May 4, 2022
Letter accompanying subsequently filed items
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May 4, 2022
Mar 1, 2022
Feb 23, 2022
(Electronic) Receipt
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Feb 23, 2022
Letter accompanying subsequently filed items
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Feb 23, 2022
Oct 26, 2021
Annex to the communication
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Oct 26, 2021
Communication from the Examining Division
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Sep 20, 2021
Document concerning representation
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Dec 23, 2020
Dec 23, 2020
Dec 21, 2020
Dec 15, 2020
(Electronic) Receipt
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Dec 15, 2020
Authorisation
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Dec 15, 2020
Letter accompanying subsequently filed items
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Dec 15, 2020
Dec 14, 2020
Dec 4, 2020
(Electronic) Receipt
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Dec 4, 2020
Authorisation
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Dec 4, 2020
Letter accompanying subsequently filed items
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Dec 4, 2020
Oct 19, 2020
Oct 19, 2020
Oct 13, 2020
(Electronic) Receipt
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Oct 13, 2020
Letter accompanying subsequently filed items
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Oct 13, 2020
Observations by third parties
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Oct 13, 2020
Patent document filed by a Third party
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Oct 13, 2020
Patent document filed by a Third party
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Oct 13, 2020
Patent document filed by a Third party
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Apr 28, 2020
(Electronic) Receipt
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Apr 28, 2020
Amended claims with annotations
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Apr 28, 2020
Claims
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Apr 28, 2020
Letter accompanying subsequently filed items
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Apr 28, 2020
Mar 5, 2020
Feb 28, 2020
(Electronic) Receipt
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Feb 28, 2020
Letter accompanying subsequently filed items
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Feb 28, 2020
Jan 3, 2020
Document concerning representation
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Oct 18, 2019
Annex to the communication
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Oct 18, 2019
Communication from the Examining Division
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Oct 11, 2019
Oct 8, 2019
Examination started
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Sep 27, 2019
(Electronic) Receipt
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Sep 27, 2019
Enquiry as to the processing of the file
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Sep 27, 2019
Letter accompanying subsequently filed items
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Sep 25, 2019
Deficiencies in an enquiry
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Sep 18, 2019
(Electronic) Receipt
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Sep 18, 2019
Sep 18, 2019
Letter accompanying subsequently filed items
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Apr 2, 2019
Mar 18, 2019
(Electronic) Receipt
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Mar 18, 2019
Enquiry as to the processing of the file
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Mar 18, 2019
Letter accompanying subsequently filed items
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Aug 6, 2018
Apr 5, 2017
(Electronic) Receipt
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Apr 5, 2017
Apr 5, 2017
Amended claims with annotations
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Apr 5, 2017
Apr 5, 2017
Amended description with annotations
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Apr 5, 2017
Amendments received before examination
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Apr 5, 2017
Letter accompanying subsequently filed items
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Oct 10, 2016
Sep 7, 2016
Notification of forthcoming publication
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Jul 27, 2016
Refund of fees
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Jul 13, 2016
Jul 13, 2016
European search opinion
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Jul 13, 2016
European search report
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Jul 13, 2016
Information on Search Strategy
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Jun 29, 2016
Search started
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Jun 21, 2016
Communication to designated inventor
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Mar 29, 2016
Abstract
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Mar 29, 2016
Mar 29, 2016
Claims
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Mar 29, 2016
Description
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Mar 29, 2016
Designation of inventor
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Mar 29, 2016
Request for grant of a European patent
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Jun 24, 2009