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The patent EP2953621 was granted to Polichem on May 1, 2019. The application was filed on Jan 23, 2014 under application number EP14701713A. 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 |
|---|---|---|---|
| WILSON GUNN | Jan 28, 2020 | WILSON GUNN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0515312 |
| DESCRIPTION | US2008261986 |
| DESCRIPTION | US2012128612 |
| DESCRIPTION | US5681849 |
| DESCRIPTION | US7462362 |
| DESCRIPTION | WO0207683 |
| DESCRIPTION | WO0211764 |
| INTERNATIONAL-SEARCH-REPORT | US6319509 |
| INTERNATIONAL-SEARCH-REPORT | US6455592 |
| INTERNATIONAL-SEARCH-REPORT | US7462362 |
| INTERNATIONAL-SEARCH-REPORT | WO0207683 |
| OPPOSITION | US2004057919 |
| OPPOSITION | US7820720 |
| OPPOSITION | WO0207683 |
| OPPOSITION | WO2008098634 |
| OPPOSITION | WO2010138674 |
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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Nov 4, 2021
Nov 4, 2021
Oct 29, 2021
Sep 20, 2021
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Means of redress
OPPO
Jul 19, 2021
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Feb 27, 2020
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Feb 21, 2020
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Authorisation
OPPO
Feb 21, 2020
Feb 21, 2020
Feb 18, 2020
Feb 18, 2020
Feb 3, 2020
Jan 28, 2020
Jan 28, 2020
Jan 28, 2020
Jan 28, 2020
Jan 28, 2020
Jan 28, 2020
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Jan 28, 2020
Jan 28, 2020
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Jan 28, 2020
May 13, 2019
Apr 4, 2019
Decision to grant a European patent
Search/Exam
Mar 19, 2019
(Electronic) Receipt
Search/Exam
Mar 19, 2019
Filing of the translations of the claims
Search/Exam
Mar 19, 2019
French translation of claims
Search/Exam
Mar 19, 2019
German translation of the claims
Search/Exam
Jan 25, 2019
Jan 17, 2019
(Electronic) Receipt
Search/Exam
Jan 17, 2019
Request for correction of client data
Search/Exam
Dec 4, 2018
Dec 4, 2018
Dec 4, 2018
Intention to grant (signatures)
Search/Exam
Dec 4, 2018
Text intended for grant (clean copy)
Search/Exam
Dec 4, 2018
Oct 4, 2018
(Electronic) Receipt
Search/Exam
Oct 4, 2018
Amended description with annotations
Search/Exam
Oct 4, 2018
Description
Search/Exam
Oct 4, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 4, 2018
Jul 12, 2018
Annex to the communication
Search/Exam
Jul 12, 2018
Communication from the Examining Division
Search/Exam
Jun 14, 2018
Examination started
Search/Exam
Mar 15, 2018
Mar 31, 2016
(Electronic) Receipt
Search/Exam
Mar 31, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 31, 2016
Reply to Written Opinion prepared by the EPO
Search/Exam
Nov 18, 2015
Oct 8, 2015
Sep 11, 2015
Communication to designated inventor
Search/Exam
Sep 11, 2015
Communication to designated inventor
Search/Exam
Sep 11, 2015
Communication to designated inventor
Search/Exam
Sep 11, 2015
Communication to designated inventor
Search/Exam
Aug 25, 2015
Aug 4, 2015
Aug 4, 2015
Jul 2, 2015
(Electronic) Receipt
Search/Exam
Jul 2, 2015
Jul 2, 2015
Amended claims with annotations
Search/Exam
Jul 2, 2015
Request for entry into the European phase
Search/Exam
Jun 19, 2015
Information on entry into European phase
Search/Exam
Sep 2, 2014
Sep 2, 2014
Aug 14, 2014
Copy of the international search report
Search/Exam
Aug 14, 2014
Published international application - A1
Search/Exam
Apr 24, 2014
Apr 24, 2014
Apr 24, 2014
Feb 13, 2014
Jan 23, 2014
(Electronic) Receipt
PCTRO
Jan 23, 2014
Abstract
PCTRO
Jan 23, 2014
Claims
PCTRO
Jan 23, 2014
Description
PCTRO
Jan 23, 2014
Drawings
PCTRO