The weekly litigation news digest is live. Subscribe now
The patent EP3642100 was granted to Sika Technology on Dec 13, 2023. The application was filed on Jun 11, 2018 under application number EP18729434A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 | Sep 12, 2024 | KUTZENBERGER WOLFF & PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE19929057 |
| INTERNATIONAL-SEARCH-REPORT | US2010092733 |
| INTERNATIONAL-SEARCH-REPORT | WO2011131334 |
| INTERNATIONAL-SEARCH-REPORT | WO2015036251 |
| OPPOSITION | DE102015223962 |
| OPPOSITION | DE19929057 |
| OPPOSITION | EP0336138 |
| OPPOSITION | US2004195817 |
| OPPOSITION | US2004255546 |
| OPPOSITION | US2008217960 |
| OPPOSITION | US2010092733 |
| OPPOSITION | US2017001368 |
| OPPOSITION | US5915781 |
| OPPOSITION | US8434958 |
| OPPOSITION | US9290211 |
| OPPOSITION | WO2010128064 |
| OPPOSITION | WO2011131334 |
| OPPOSITION | WO2015036251 |
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
Get instant alerts for new documents
Dec 23, 2025
Dec 23, 2025
Dec 23, 2025
Dec 23, 2025
Dec 23, 2025
Dec 23, 2025
Dec 23, 2025
Dec 23, 2025
Dec 23, 2025
Means of redress
OPPO
Dec 23, 2025
Dec 23, 2025
Dec 23, 2025
Dec 23, 2025
Dec 23, 2025
Dec 11, 2025
Nov 11, 2025
Nov 6, 2025
Nov 6, 2025
Nov 6, 2025
Nov 6, 2025
Oct 15, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 9, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Sep 22, 2025
Sep 17, 2025
Sep 17, 2025
Sep 17, 2025
Sep 17, 2025
Sep 17, 2025
Sep 17, 2025
Aug 12, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Jun 26, 2025
Jun 26, 2025
Jun 26, 2025
Jun 26, 2025
Jun 26, 2025
Jun 12, 2025
Jun 5, 2025
Jun 5, 2025
Jun 5, 2025
Feb 3, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Sep 27, 2024
Sep 27, 2024
Sep 18, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Jan 3, 2024
Nov 16, 2023
Decision to grant a European patent
Search/Exam
Nov 1, 2023
(Electronic) Receipt
Search/Exam
Nov 1, 2023
English translation of the claims
Search/Exam
Nov 1, 2023
Filing of the translations of the claims
Search/Exam
Nov 1, 2023
French translation of claims
Search/Exam
Nov 1, 2023
Letter accompanying subsequently filed items
Search/Exam
Sep 13, 2023
Sep 13, 2023
Sep 13, 2023
Sep 13, 2023
Intention to grant (signatures)
Search/Exam
Sep 13, 2023
Text intended for grant (clean copy)
Search/Exam
Sep 13, 2023
Jun 9, 2022
(Electronic) Receipt
Search/Exam
Jun 9, 2022
Amended description with annotations
Search/Exam
Jun 9, 2022
Description
Search/Exam
Jun 9, 2022
Letter accompanying subsequently filed items
Search/Exam
Jun 9, 2022
Feb 14, 2022
Annex to the communication
Search/Exam
Feb 14, 2022
Communication from the Examining Division
Search/Exam
Jan 12, 2022
Examination started
Search/Exam
Jul 14, 2020
(Electronic) Receipt
Search/Exam
Jul 14, 2020
Jul 14, 2020
Amended claims with annotations
Search/Exam
Jul 14, 2020
Amended description with annotations
Search/Exam
Jul 14, 2020
Amendments received before examination
Search/Exam
Jul 14, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 1, 2020
Jan 31, 2020
Jan 29, 2020
Communication to designated inventor
Search/Exam
Jan 24, 2020
Priority search results copy provided by EPO
Search/Exam
Jan 10, 2020
Dec 11, 2019
(Electronic) Receipt
Search/Exam
Dec 11, 2019
Request for entry into the European phase
Search/Exam
Nov 4, 2019
Information on entry into European phase
Search/Exam
Jan 17, 2019
Dec 27, 2018
Copy of the international search report
Search/Exam
Dec 27, 2018
Copy of the international search report
Search/Exam
Dec 27, 2018
Published international application - A1
Search/Exam
Sep 17, 2018
Sep 17, 2018
Sep 17, 2018
Jun 21, 2018
Jun 11, 2018
(Electronic) Receipt
PCTRO
Jun 11, 2018
Abstract
PCTRO
Jun 11, 2018
Claims
PCTRO
Jun 11, 2018
Description
PCTRO
Jun 11, 2018
Jun 11, 2018
Drawings
PCTRO
Jun 11, 2018
Jun 11, 2018