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The patent EP3078475 was granted to EMS Chemie on Jan 22, 2025. The application was filed on Apr 7, 2015 under application number EP15162674A. 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 |
|---|---|---|---|
| EVONIK OPERATIONS | Oct 29, 2019 | EVONIK PATENT ASSOCIATION | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102007037680 |
| DESCRIPTION | DE102011077834 |
| DESCRIPTION | DE102011120986 |
| OPPOSITION | CA1127469 |
| OPPOSITION | DE3878672T |
| OPPOSITION | EP0872521 |
| OPPOSITION | EP2669082 |
| OPPOSITION | EP2725055 |
| OPPOSITION | GB884468 |
| OPPOSITION | JP2006044259 |
| OPPOSITION | JP2008231291 |
| OPPOSITION | US2003124952 |
| OPPOSITION | US2015069657 |
| OPPOSITION | WO2007008569 |
| OPPOSITION | WO2007082677 |
| OPPOSITION | WO2008085312 |
| OPPOSITION | WO2012058345 |
| OPPOSITION | WO2013085723 |
| OPPOSITION | WO2014118210 |
| SEARCH | EP2626185 |
| SEARCH | GB884468 |
| SEARCH | JPS5658824 |
| SEARCH | US2003124952 |
| SEARCH | WO2010139077 |
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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Jan 7, 2025
Jan 7, 2025
Dec 12, 2024
Dec 12, 2024
Dec 12, 2024
Dec 12, 2024
Sep 20, 2024
Sep 20, 2024
Sep 20, 2024
Sep 17, 2024
Jul 15, 2024
Refund of fees
Appeal
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
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Jul 8, 2024
(Electronic) Receipt
Appeal
Jul 8, 2024
Jul 8, 2024
Jul 8, 2024
Withdrawal of an appeal
Appeal
Jun 18, 2024
Jun 17, 2024
(Electronic) Receipt
Appeal
Jun 17, 2024
Jun 17, 2024
Jun 12, 2024
Jun 12, 2024
Jun 4, 2024
Jun 3, 2024
May 31, 2024
(Electronic) Receipt
Appeal
May 31, 2024
May 31, 2024
May 28, 2024
(Electronic) Receipt
Appeal
May 28, 2024
General enquiry
Appeal
May 28, 2024
Oct 13, 2023
(Electronic) Receipt
Appeal
Oct 13, 2023
Oct 13, 2023
Oct 11, 2023
Oct 6, 2023
Sep 14, 2023
Sep 14, 2023
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Aug 1, 2023
Jul 28, 2023
Advice of delivery
Appeal
Jul 27, 2023
(Electronic) Receipt
Appeal
Jul 27, 2023
Jul 27, 2023
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Jul 24, 2023
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Mar 28, 2023
Nov 2, 2022
Oct 27, 2022
(Electronic) Receipt
Appeal
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Reply to appeal
Appeal
Jun 28, 2022
Jun 21, 2022
(Electronic) Receipt
Appeal
Jun 21, 2022
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Apr 28, 2022
Apr 20, 2022
(Electronic) Receipt
Appeal
Apr 20, 2022
Apr 20, 2022
Notice of appeal
Appeal
Feb 28, 2022
Feb 23, 2022
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Means of redress
OPPO
Feb 21, 2022
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Jan 25, 2022
Annex
OPPO
Jan 25, 2022
Annex
OPPO
Jan 25, 2022
Jan 7, 2022
Dec 27, 2021
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Feb 11, 2019
Jan 7, 2019
Decision to grant a European patent
Search/Exam
Dec 17, 2018
(Electronic) Receipt
Search/Exam
Dec 17, 2018
English translation of the claims
Search/Exam
Dec 17, 2018
Filing of the translations of the claims
Search/Exam
Dec 17, 2018
French translation of claims
Search/Exam
Oct 19, 2018
Oct 19, 2018
Oct 19, 2018
Intention to grant (signatures)
Search/Exam
Oct 19, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 19, 2018
Dec 29, 2017
Amended claims with annotations
Search/Exam
Dec 29, 2017
Amended description with annotations
Search/Exam
Dec 29, 2017
Claims
Search/Exam
Dec 29, 2017
Claims
Search/Exam
Dec 29, 2017
Description
Search/Exam
Dec 29, 2017
Dec 22, 2017
Amended claims with annotations
Search/Exam
Dec 22, 2017
Amended claims with annotations
Search/Exam
Dec 22, 2017
Amended description with annotations
Search/Exam
Dec 22, 2017
Claims
Search/Exam
Dec 22, 2017
Description
Search/Exam
Dec 22, 2017
Oct 13, 2017
Annex to the communication
Search/Exam
Oct 13, 2017
Communication from the Examining Division
Search/Exam
Oct 5, 2017
Examination started
Search/Exam
Dec 2, 2016
Letter concerning fees and payments
Search/Exam
Dec 2, 2016
Payment of fees and costs
Search/Exam
Nov 30, 2016
Letter concerning fees and payments
Search/Exam
Nov 30, 2016
Payment of fees and costs
Search/Exam
Nov 30, 2016
Payment of fees and costs
Search/Exam
Oct 17, 2016
Sep 14, 2016
Notification of forthcoming publication
Search/Exam
Apr 7, 2016
Apr 7, 2016
Amended claims with annotations
Search/Exam
Apr 7, 2016
Amendments received before examination
Search/Exam
Apr 5, 2016
Apr 5, 2016
Amended claims with annotations
Search/Exam
Apr 5, 2016
Amendments received before examination
Search/Exam
Dec 23, 2015
Submission concerning representation
Search/Exam
Dec 17, 2015
Submission concerning representation
Search/Exam
Oct 12, 2015
Oct 12, 2015
European search opinion
Search/Exam
Oct 12, 2015
European search report
Search/Exam
May 29, 2015
Communication to designated inventor
Search/Exam
May 29, 2015
Communication to designated inventor
Search/Exam
May 29, 2015
Communication to designated inventor
Search/Exam
Apr 7, 2015
Abstract
Search/Exam
Apr 7, 2015
Apr 7, 2015
Claims
Search/Exam
Apr 7, 2015
Description
Search/Exam
Apr 7, 2015
Designation of inventor
Search/Exam
Apr 7, 2015
Request for grant of a European patent
Search/Exam