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The patent EP3318538 was granted to STO on Aug 21, 2019. The application was filed on Nov 2, 2016 under application number EP16196844A. 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 |
|---|---|---|---|
| ARDEX | May 22, 2020 | BALS & VOGEL PATENTANWALTE PARTGMBB | - |
| DAW | May 19, 2020 | METTEN | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10212580 |
| DESCRIPTION | EP2883918 |
| EXAMINATION | EP2696006 |
| OPPOSITION | DE102011007834 |
| OPPOSITION | DE10212580 |
| OPPOSITION | DE2423618 |
| OPPOSITION | EP0038426 |
| OPPOSITION | EP0417418 |
| OPPOSITION | EP0652187 |
| OPPOSITION | EP1035175 |
| OPPOSITION | EP1250388 |
| OPPOSITION | EP1643046 |
| OPPOSITION | EP2696006 |
| OPPOSITION | EP2883918 |
| OPPOSITION | WO0039049 |
| OPPOSITION | WO2004000953 |
| OPPOSITION | WO2008040464 |
| OPPOSITION | WO2009034031 |
| OPPOSITION | WO2011009874 |
| OPPOSITION | WO2011132132 |
| OPPOSITION | WO2012065906 |
| SEARCH | EP0417418 |
| SEARCH | EP0652187 |
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 21, 2023
(Electronic) Receipt
Appeal
Nov 21, 2023
Advice of delivery
Appeal
Nov 21, 2023
Nov 21, 2023
Refund of fees
Appeal
Nov 17, 2023
Nov 17, 2023
Nov 17, 2023
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Nov 17, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 10, 2023
Nov 9, 2023
(Electronic) Receipt
Appeal
Nov 9, 2023
Nov 9, 2023
Withdrawal of an appeal
Appeal
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 16, 2023
(Electronic) Receipt
Appeal
Oct 16, 2023
Advice of delivery
Appeal
Oct 16, 2023
Oct 10, 2023
Oct 10, 2023
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Oct 5, 2023
Nov 23, 2022
Nov 23, 2022
Nov 17, 2022
(Electronic) Receipt
Appeal
Nov 17, 2022
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Reply to appeal
Appeal
Aug 9, 2022
Jul 18, 2022
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Jul 12, 2022
(Electronic) Receipt
Appeal
Jul 12, 2022
Jul 12, 2022
May 18, 2022
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May 18, 2022
May 12, 2022
(Electronic) Receipt
Appeal
May 12, 2022
May 12, 2022
Notice of appeal
Appeal
Mar 14, 2022
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Means of redress
OPPO
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Sep 2, 2019
Jul 25, 2019
Decision to grant a European patent
Search/Exam
Jul 8, 2019
(Electronic) Receipt
Search/Exam
Jul 8, 2019
English translation of the claims
Search/Exam
Jul 8, 2019
Filing of the translations of the claims
Search/Exam
Jul 8, 2019
French translation of claims
Search/Exam
Jul 8, 2019
Letter accompanying subsequently filed items
Search/Exam
May 29, 2019
May 29, 2019
May 29, 2019
Intention to grant (signatures)
Search/Exam
May 29, 2019
Text intended for grant (clean copy)
Search/Exam
May 29, 2019
May 22, 2019
Apr 23, 2019
Annex to the communication
Search/Exam
Apr 23, 2019
Apr 23, 2019
Apr 16, 2019
(Electronic) Receipt
Search/Exam
Apr 16, 2019
Amended description with annotations
Search/Exam
Apr 16, 2019
Description
Search/Exam
Apr 16, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 16, 2019
Mar 12, 2019
(Electronic) Receipt
Search/Exam
Mar 12, 2019
Amended claims with annotations
Search/Exam
Mar 12, 2019
Claims
Search/Exam
Mar 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 12, 2019
Feb 8, 2019
Annex to the communication
Search/Exam
Feb 8, 2019
Communication from the Examining Division
Search/Exam
Dec 19, 2018
Examination started
Search/Exam
May 15, 2018
Apr 11, 2018
Notification of forthcoming publication
Search/Exam
May 10, 2017
(Electronic) Receipt
Search/Exam
May 10, 2017
Letter accompanying subsequently filed items
Search/Exam
May 10, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
May 10, 2017
Written request for examination
Search/Exam
Apr 20, 2017
Apr 20, 2017
European search opinion
Search/Exam
Apr 20, 2017
European search report
Search/Exam
Apr 20, 2017
Information on Search Strategy
Search/Exam
Apr 10, 2017
Search started
Search/Exam
Jan 4, 2017
Communication to designated inventor
Search/Exam
Jan 4, 2017
Communication to designated inventor
Search/Exam
Jan 4, 2017
Communication to designated inventor
Search/Exam
Jan 4, 2017
Communication to designated inventor
Search/Exam
Nov 2, 2016
Abstract
Search/Exam
Nov 2, 2016
Nov 2, 2016
Claims
Search/Exam
Nov 2, 2016
Description
Search/Exam
Nov 2, 2016
Designation of inventor
Search/Exam
Nov 2, 2016
Request for grant of a European patent
Search/Exam