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The patent EP3486147 was granted to Sika Technology on Oct 15, 2025. The application was filed on Nov 15, 2017 under application number EP17201955A. 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 |
|---|---|---|---|
| L & L PRODUCTS EUROPE | Oct 8, 2021 | KUTZENBERGER WOLFF & PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102011116626 |
| OPPOSITION | DE102011117951 |
| OPPOSITION | DE102013114108 |
| OPPOSITION | EP2289771 |
| OPPOSITION | JP2001199362 |
| OPPOSITION | JP2010143476 |
| OPPOSITION | JPH0467190 |
| OPPOSITION | US2004266899 |
| OPPOSITION | US2008217960 |
| OPPOSITION | US2011020572 |
| OPPOSITION | US6550847 |
| OPPOSITION | US7255388 |
| OPPOSITION | US7641264 |
| OPPOSITION | US7913467 |
| OPPOSITION | US8746780 |
| OPPOSITION | US9630659 |
| OPPOSITION | WO0183206 |
| OPPOSITION | WO03020574 |
| OPPOSITION | WO2008077944 |
| OPPOSITION | WO2009016106 |
| OPPOSITION | WO2010054194 |
| OPPOSITION | WO2010128064 |
| OPPOSITION | WO2015061291 |
| SEARCH | EP2289771 |
| SEARCH | WO0183206 |
| SEARCH | WO03020574 |
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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Sep 18, 2025
Sep 18, 2025
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(Electronic) Receipt
Appeal
Apr 8, 2025
Authorisation
Appeal
Apr 8, 2025
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Mar 14, 2025
(Electronic) Receipt
Appeal
Mar 14, 2025
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(Electronic) Receipt
Appeal
Mar 6, 2025
(Electronic) Receipt
Appeal
Mar 6, 2025
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Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Aug 16, 2024
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Reply to appeal
Appeal
Aug 13, 2024
(Electronic) Receipt
Appeal
Aug 13, 2024
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
Apr 11, 2024
(Electronic) Receipt
Appeal
Apr 11, 2024
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Feb 6, 2024
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Refund of fees
OPPO
Jan 31, 2024
(Electronic) Receipt
Appeal
Jan 31, 2024
Jan 31, 2024
Notice of appeal
Appeal
Jan 30, 2024
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(Electronic) Receipt
Appeal
Jan 24, 2024
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Notice of appeal
Appeal
Dec 12, 2023
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OPPO
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Authorisation
OPPO
Aug 3, 2023
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Non-public annex
OPPO
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Jan 25, 2021
Dec 17, 2020
Decision to grant a European patent
Search/Exam
Dec 4, 2020
(Electronic) Receipt
Search/Exam
Dec 4, 2020
English translation of the claims
Search/Exam
Dec 4, 2020
Filing of the translations of the claims
Search/Exam
Dec 4, 2020
French translation of claims
Search/Exam
Dec 4, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 25, 2020
Aug 25, 2020
Aug 25, 2020
Intention to grant (signatures)
Search/Exam
Aug 25, 2020
Text intended for grant (clean copy)
Search/Exam
Aug 25, 2020
Jul 10, 2020
(Electronic) Receipt
Search/Exam
Jul 10, 2020
Amended claims with annotations
Search/Exam
Jul 10, 2020
Claims
Search/Exam
Jul 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 10, 2020
Mar 13, 2020
Annex to the communication
Search/Exam
Mar 13, 2020
Communication from the Examining Division
Search/Exam
Mar 10, 2020
Examination started
Search/Exam
Oct 31, 2019
(Electronic) Receipt
Search/Exam
Oct 31, 2019
Oct 31, 2019
Amended claims with annotations
Search/Exam
Oct 31, 2019
Oct 31, 2019
Amendments received before examination
Search/Exam
Oct 31, 2019
Letter accompanying subsequently filed items
Search/Exam
May 27, 2019
Apr 25, 2019
Notification of forthcoming publication
Search/Exam
May 25, 2018
May 25, 2018
European search opinion
Search/Exam
May 25, 2018
European search report
Search/Exam
May 25, 2018
Information on Search Strategy
Search/Exam
Feb 7, 2018
Communication to designated inventor
Search/Exam
Feb 7, 2018
Communication to designated inventor
Search/Exam
Nov 15, 2017
Abstract
Search/Exam
Nov 15, 2017
Nov 15, 2017
Claims
Search/Exam
Nov 15, 2017
Description
Search/Exam
Nov 15, 2017
Designation of inventor
Search/Exam
Nov 15, 2017
Drawings
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Nov 15, 2017
Request for grant of a European patent
Search/Exam