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The patent EP3223611 was granted to Ecolab USA on Jun 3, 2020. The application was filed on Nov 28, 2014 under application number EP14812417A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| SCHULKE & MAYR | Mar 3, 2021 | LKGLOBAL LORENZ & KOPF | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2011217204 |
| EXAMINATION | US4304762 |
| INTERNATIONAL-SEARCH-REPORT | EP1123655 |
| INTERNATIONAL-SEARCH-REPORT | US2005054545 |
| INTERNATIONAL-SEARCH-REPORT | US2013247308 |
| INTERNATIONAL-SEARCH-REPORT | WO2006015626 |
| OPPOSITION | CN102827016 |
| OPPOSITION | EP0357238 |
| OPPOSITION | EP1293215 |
| OPPOSITION | JPS5332679B |
| OPPOSITION | US2002004057 |
| OPPOSITION | US2005054545 |
| OPPOSITION | US2013247308 |
| OPPOSITION | US4051058 |
| OPPOSITION | US6527872 |
| OPPOSITION | WO2010011746 |
| OPPOSITION | WO2012054391 |
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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Feb 14, 2023
Refund of fees
Search/Exam
Feb 10, 2023
Feb 10, 2023
Feb 7, 2023
Feb 1, 2023
Jan 29, 2023
Jan 25, 2023
(Electronic) Receipt
Appeal
Jan 25, 2023
Jan 25, 2023
Withdrawal of an appeal
Appeal
Dec 14, 2022
Refund of fees
Search/Exam
Dec 8, 2022
Dec 8, 2022
Dec 2, 2022
(Electronic) Receipt
Appeal
Dec 2, 2022
Dec 2, 2022
Notice of appeal
Appeal
Sep 29, 2022
Sep 26, 2022
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Means of redress
OPPO
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Jun 15, 2020
May 8, 2020
Decision to grant a European patent
Search/Exam
Apr 28, 2020
Apr 28, 2020
Apr 28, 2020
Intention to grant (signatures)
Search/Exam
Apr 28, 2020
Text intended for grant (clean copy)
Search/Exam
Apr 28, 2020
Mar 3, 2020
(Electronic) Receipt
Search/Exam
Mar 3, 2020
Amended claims with annotations
Search/Exam
Mar 3, 2020
Amended description with annotations
Search/Exam
Mar 3, 2020
Claims
Search/Exam
Mar 3, 2020
Description
Search/Exam
Mar 3, 2020
French translation of claims
Search/Exam
Mar 3, 2020
German translation of the claims
Search/Exam
Mar 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 3, 2020
Nov 4, 2019
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Nov 4, 2019
Intention to grant (signatures)
Search/Exam
Nov 4, 2019
Text intended for grant (clean copy)
Search/Exam
Nov 4, 2019
Apr 23, 2019
(Electronic) Receipt
Search/Exam
Apr 23, 2019
Amended claims with annotations
Search/Exam
Apr 23, 2019
Amended description with annotations
Search/Exam
Apr 23, 2019
Claims
Search/Exam
Apr 23, 2019
Description
Search/Exam
Apr 23, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 23, 2019
Jan 14, 2019
Annex to the communication
Search/Exam
Jan 14, 2019
Communication from the Examining Division
Search/Exam
Jan 7, 2019
Examination started
Search/Exam
Dec 20, 2017
(Electronic) Receipt
Search/Exam
Dec 20, 2017
Dec 20, 2017
Amended claims with annotations
Search/Exam
Dec 20, 2017
Dec 20, 2017
Amended description with annotations
Search/Exam
Dec 20, 2017
Amendments received before examination
Search/Exam
Dec 20, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 6, 2017
Aug 11, 2017
Aug 3, 2017
Letter which had not been notified
Search/Exam
Jul 12, 2017
Jul 3, 2017
Communication to designated inventor
Search/Exam
Jul 3, 2017
Communication to designated inventor
Search/Exam
Jul 3, 2017
Communication to designated inventor
Search/Exam
Jun 14, 2017
Jun 14, 2017
Matter concerning the application
Search/Exam
May 31, 2017
May 31, 2017
May 31, 2017
Notification of the recording of a change
Search/Exam
May 24, 2017
(Electronic) Receipt
Search/Exam
May 24, 2017
Request for entry into the European phase
Search/Exam
Apr 7, 2017
Information on entry into European phase
Search/Exam
Jun 2, 2016
Copy of the international search report
Search/Exam
Jun 2, 2016
Published international application - A1
Search/Exam
Mar 18, 2015
Mar 18, 2015
Mar 18, 2015
Nov 28, 2014
(Electronic) Receipt
PCTRO
Nov 28, 2014
Abstract
PCTRO
Nov 28, 2014
Claims
PCTRO
Nov 28, 2014
Description
PCTRO