The weekly litigation news digest is live. Subscribe now
The patent EP3600870 was granted to Sika Technology on Feb 26, 2025. The application was filed on Mar 29, 2018 under application number EP18712922A. 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 | Sep 29, 2021 | KUTZENBERGER WOLFF & PARTNER | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CA822071 |
| INTERNATIONAL-SEARCH-REPORT | CA962573 |
| INTERNATIONAL-SEARCH-REPORT | US2009056868 |
| INTERNATIONAL-SEARCH-REPORT | US2016101599 |
| INTERNATIONAL-SEARCH-REPORT | US6602611 |
| OPPOSITION | CA822071 |
| OPPOSITION | CA962573 |
| OPPOSITION | EP2563561 |
| OPPOSITION | JP2002249071 |
| OPPOSITION | JPH11158313 |
| OPPOSITION | US2003176128 |
| OPPOSITION | US2004262853 |
| OPPOSITION | US2005081383 |
| OPPOSITION | US2007032575 |
| OPPOSITION | US2009056868 |
| OPPOSITION | US2009068479 |
| OPPOSITION | US2012298300 |
| OPPOSITION | US2016101599 |
| OPPOSITION | US5585178 |
| OPPOSITION | US6382635 |
| OPPOSITION | US6602611 |
| OPPOSITION | USH2047H |
| OPPOSITION | WO2005073330 |
| OPPOSITION | WO2009015149 |
| OPPOSITION | WO2016183580 |
| OPPOSITION | WO2017151981 |
| OPPOSITION | WO2018178223 |
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
Jan 30, 2025
Jan 30, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Nov 5, 2024
Nov 5, 2024
Nov 5, 2024
Oct 22, 2024
Sep 24, 2024
Refund of fees
Appeal
Sep 20, 2024
Sep 20, 2024
Sep 20, 2024
Sep 20, 2024
Sep 20, 2024
Sep 18, 2024
Sep 17, 2024
Sep 16, 2024
(Electronic) Receipt
Appeal
Sep 16, 2024
Sep 16, 2024
Withdrawal of an appeal
Appeal
Aug 16, 2024
Aug 16, 2024
Jun 7, 2024
Jun 4, 2024
(Electronic) Receipt
Appeal
Jun 4, 2024
Jun 4, 2024
May 21, 2024
May 21, 2024
May 15, 2024
May 15, 2024
Apr 11, 2024
Apr 5, 2024
(Electronic) Receipt
Appeal
Apr 5, 2024
Apr 5, 2024
Apr 5, 2024
Apr 5, 2024
Reply to appeal
Appeal
Dec 8, 2023
Dec 8, 2023
Dec 7, 2023
Dec 5, 2023
Dec 4, 2023
(Electronic) Receipt
Appeal
Dec 4, 2023
Dec 4, 2023
Dec 4, 2023
Dec 4, 2023
Dec 4, 2023
Dec 4, 2023
Dec 4, 2023
Dec 4, 2023
Sep 27, 2023
Sep 27, 2023
Sep 22, 2023
(Electronic) Receipt
Appeal
Sep 22, 2023
Sep 22, 2023
Notice of appeal
Appeal
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Means of redress
OPPO
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jun 29, 2023
Jun 16, 2023
May 9, 2023
May 8, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 26, 2023
Apr 26, 2023
Apr 26, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Mar 27, 2023
Mar 27, 2023
Mar 27, 2023
Mar 27, 2023
Mar 27, 2023
Mar 1, 2023
Mar 1, 2023
Mar 1, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 21, 2022
Feb 15, 2022
Feb 15, 2022
Feb 15, 2022
Feb 15, 2022
Feb 15, 2022
Feb 15, 2022
Feb 15, 2022
Feb 15, 2022
Feb 15, 2022
Oct 14, 2021
Oct 14, 2021
Oct 5, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Jan 18, 2021
Dec 3, 2020
Decision to grant a European patent
Search/Exam
Nov 17, 2020
(Electronic) Receipt
Search/Exam
Nov 17, 2020
Filing of the translations of the claims
Search/Exam
Nov 17, 2020
French translation of claims
Search/Exam
Nov 17, 2020
German translation of the claims
Search/Exam
Nov 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Intention to grant (signatures)
Search/Exam
Aug 14, 2020
Text intended for grant (clean copy)
Search/Exam
Aug 14, 2020
Jul 23, 2020
Examination started
Search/Exam
May 8, 2020
(Electronic) Receipt
Search/Exam
May 8, 2020
May 8, 2020
Amended claims with annotations
Search/Exam
May 8, 2020
May 8, 2020
Amended description with annotations
Search/Exam
May 8, 2020
Amendments received before examination
Search/Exam
May 8, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 9, 2020
Nov 8, 2019
Nov 6, 2019
Communication to designated inventor
Search/Exam
Nov 2, 2019
Priority search results copy provided by EPO
Search/Exam
Oct 22, 2019
(Electronic) Receipt
Search/Exam
Oct 22, 2019
Request for entry into the European phase
Search/Exam
Oct 14, 2019
Aug 9, 2019
Information on entry into European phase
Search/Exam
Oct 24, 2018
Oct 4, 2018
Copy of the international search report
Search/Exam
Oct 4, 2018
Published international application - A1
Search/Exam
Jun 20, 2018
Jun 20, 2018
Jun 20, 2018
Apr 6, 2018
Mar 29, 2018
(Electronic) Receipt
PCTRO
Mar 29, 2018
Abstract
PCTRO
Mar 29, 2018
Claims
PCTRO
Mar 29, 2018
Description
PCTRO
Mar 29, 2018
Mar 29, 2018
Drawings
PCTRO
Mar 29, 2018
Mar 29, 2018