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The patent EP3145892 was granted to Uzin UTZ on Jan 2, 2019. The application was filed on Mar 8, 2016 under application number EP16709338A. 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 |
|---|---|---|---|
| ARDEX | Oct 2, 2019 | BALS & VOGEL PATENTANWALTE PARTGMBB | ADMISSIBLE |
| GASSENHUBER | Oct 2, 2019 | SSM SANDMAIR | ADMISSIBLE |
| SIKA TECHNOLOGY | Oct 2, 2019 | SIKA PATENT ATTORNEYS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2008141907 |
| DESCRIPTION | US2012037046 |
| DESCRIPTION | WO2008003672 |
| DESCRIPTION | WO2014108435 |
| DESCRIPTION | WO2014108436 |
| DESCRIPTION | WO2015150319 |
| EXAMINATION | WO2015150319 |
| INTERNATIONAL-SEARCH-REPORT | WO2014108435 |
| INTERNATIONAL-SEARCH-REPORT | WO2014108436 |
| OPPOSITION | CN101265069 |
| OPPOSITION | DE10159338 |
| OPPOSITION | DE10159339 |
| OPPOSITION | DE4209897 |
| OPPOSITION | US2008141907 |
| OPPOSITION | US2012037046 |
| OPPOSITION | US2013005862 |
| OPPOSITION | US2014121303 |
| OPPOSITION | US2014371351 |
| OPPOSITION | US5910215 |
| OPPOSITION | WO2008003672 |
| OPPOSITION | WO2011110252 |
| OPPOSITION | WO2012087776 |
| OPPOSITION | WO2012143221 |
| OPPOSITION | WO2013004621 |
| OPPOSITION | WO2014108434 |
| OPPOSITION | WO2014108435 |
| OPPOSITION | WO2014108436 |
| OPPOSITION | WO2015150319 |
| OPPOSITION | WO2016142365 |
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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Mar 1, 2023
Refund of fees
Appeal
Feb 28, 2023
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(Electronic) Receipt
Appeal
Feb 20, 2023
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Withdrawal of an appeal
Appeal
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Appeal
Dec 17, 2021
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
Dec 14, 2021
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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Appeal
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Appeal
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Notice of appeal
Appeal
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Dec 6, 2018
Decision to grant a European patent
Search/Exam
Sep 21, 2018
Aug 6, 2018
(Electronic) Receipt
Search/Exam
Aug 6, 2018
English translation of the claims
Search/Exam
Aug 6, 2018
French translation of claims
Search/Exam
Aug 6, 2018
Letter accompanying subsequently filed items
Search/Exam
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Observations by third parties
Search/Exam
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Intention to grant (signatures)
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Jun 18, 2018
Text intended for grant (clean copy)
Search/Exam
Jun 18, 2018
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(Electronic) Receipt
Search/Exam
Apr 17, 2018
Amended claims with annotations
Search/Exam
Apr 17, 2018
Claims
Search/Exam
Apr 17, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 17, 2018
Dec 19, 2017
Annex to the communication
Search/Exam
Dec 19, 2017
Communication from the Examining Division
Search/Exam
Dec 13, 2017
Examination started
Search/Exam
Oct 13, 2017
Communication to designated inventor
Search/Exam
Oct 13, 2017
Communication to designated inventor
Search/Exam
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Notification of the recording of a change
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Notification of the recording of a change
Search/Exam
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(Electronic) Receipt
PCTRO
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Reply by International Bureau
Search/Exam
Feb 27, 2017
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Enquiry with the International Bureau
Search/Exam
Feb 13, 2017
Matter concerning the application
Search/Exam
Feb 2, 2017
Jan 26, 2017
Priority search results copy provided by EPO
Search/Exam
Jan 24, 2017
(Electronic) Receipt
Search/Exam
Jan 24, 2017
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Amended claims with annotations
Search/Exam
Jan 24, 2017
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Search/Exam
Jan 24, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 23, 2016
(Electronic) Receipt
Search/Exam
Dec 23, 2016
Request for entry into the European phase
Search/Exam
Nov 22, 2016
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Sep 15, 2016
Copy of the international search report
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Sep 15, 2016
Published international application - A1
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May 9, 2016
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Mar 8, 2016
(Electronic) Receipt
PCTRO
Mar 8, 2016
Abstract
PCTRO
Mar 8, 2016
Claims
PCTRO
Mar 8, 2016
Description
PCTRO
Mar 8, 2016
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Drawings
PCTRO
Mar 8, 2016
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