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The patent EP3609936 was granted to Continental Reifen Deutschland on Oct 11, 2023. The application was filed on Apr 9, 2018 under application number EP18720735A. 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 |
|---|---|---|---|
| EVONIK OPERATIONS | Jul 10, 2024 | MURGITROYD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2004EP52743 |
| DESCRIPTION | EP2288653 |
| DESCRIPTION | US2008161452 |
| DESCRIPTION | US2008161462 |
| DESCRIPTION | US2008161486 |
| DESCRIPTION | US2011252671 |
| DESCRIPTION | US2013291409 |
| DESCRIPTION | US2013296475 |
| DESCRIPTION | US2016222197 |
| DESCRIPTION | US7968633 |
| DESCRIPTION | US7968634 |
| DESCRIPTION | US7968635 |
| DESCRIPTION | US7968636 |
| DESCRIPTION | US8252863 |
| DESCRIPTION | US8689381 |
| DESCRIPTION | WO2007033720 |
| DESCRIPTION | WO2008083242 |
| DESCRIPTION | WO2010059402 |
| DESCRIPTION | WO2015153055 |
| DESCRIPTION | WO9909036 |
| INTERNATIONAL-SEARCH-REPORT | US2004241331 |
| INTERNATIONAL-SEARCH-REPORT | US2016264689 |
| INTERNATIONAL-SEARCH-REPORT | WO2012050666 |
| OPPOSITION | EP3103655 |
| OPPOSITION | US2002082333 |
| OPPOSITION | US2004241331 |
| OPPOSITION | US2016264689 |
| OPPOSITION | WO2016180649 |
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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Feb 7, 2024
Jan 26, 2024
Annexes in respect of a client data request
Search/Exam
Jan 26, 2024
Letter accompanying subsequently filed items
Search/Exam
Jan 26, 2024
Oct 24, 2023
Sep 14, 2023
Decision to grant a European patent
Search/Exam
Sep 1, 2023
(Electronic) Receipt
Search/Exam
Sep 1, 2023
Filing of the translations of the claims
Search/Exam
Sep 1, 2023
French translation of claims
Search/Exam
Sep 1, 2023
German translation of the claims
Search/Exam
May 30, 2023
May 30, 2023
May 30, 2023
May 30, 2023
Intention to grant (signatures)
Search/Exam
May 30, 2023
Text intended for grant (clean copy)
Search/Exam
May 30, 2023
Jan 26, 2023
(Electronic) Receipt
Search/Exam
Jan 26, 2023
Amended description with annotations
Search/Exam
Jan 26, 2023
Description
Search/Exam
Jan 26, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 26, 2023
Jan 18, 2023
Annex to the communication
Search/Exam
Jan 18, 2023
Communication from the Examining Division
Search/Exam
Jun 28, 2022
(Electronic) Receipt
Search/Exam
Jun 28, 2022
Amended claims with annotations
Search/Exam
Jun 28, 2022
Claims
Search/Exam
Jun 28, 2022
Letter accompanying subsequently filed items
Search/Exam
Jun 28, 2022
Mar 7, 2022
Annex to the communication
Search/Exam
Mar 7, 2022
Communication from the Examining Division
Search/Exam
Mar 1, 2022
Examination started
Search/Exam
Mar 15, 2021
Feb 23, 2021
Feb 17, 2021
Annexes in respect of a client data request
Search/Exam
Feb 17, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 17, 2021
Nov 24, 2020
Nov 13, 2020
Annexes in respect of a client data request
Search/Exam
Nov 13, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 13, 2020
May 14, 2020
(Electronic) Receipt
Search/Exam
May 14, 2020
May 14, 2020
Amended claims with annotations
Search/Exam
May 14, 2020
Amendments received before examination
Search/Exam
May 14, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 22, 2020
Jan 22, 2020
Jan 16, 2020
Letter which had not been notified
Search/Exam
Nov 20, 2019
Nov 18, 2019
Communication to designated inventor
Search/Exam
Nov 18, 2019
Communication to designated inventor
Search/Exam
Nov 18, 2019
Communication to designated inventor
Search/Exam
Nov 18, 2019
Communication to designated inventor
Search/Exam
Nov 18, 2019
Communication to designated inventor
Search/Exam
Nov 18, 2019
Communication to designated inventor
Search/Exam
Nov 18, 2019
Communication to designated inventor
Search/Exam
Nov 18, 2019
Communication to designated inventor
Search/Exam
Nov 18, 2019
Communication to designated inventor
Search/Exam
Nov 18, 2019
Communication to designated inventor
Search/Exam
Nov 18, 2019
Communication to designated inventor
Search/Exam
Nov 18, 2019
Communication to designated inventor
Search/Exam
Nov 18, 2019
Communication to designated inventor
Search/Exam
Nov 18, 2019
Communication to designated inventor
Search/Exam
Nov 18, 2019
Communication to designated inventor
Search/Exam
Nov 18, 2019
Communication to designated inventor
Search/Exam
Oct 29, 2019
Sep 25, 2019
(Electronic) Receipt
Search/Exam
Sep 25, 2019
Request for entry into the European phase
Search/Exam
Aug 23, 2019
Information on entry into European phase
Search/Exam
Jan 24, 2019
Annex
PCTISA
Jan 24, 2019
Jan 24, 2019
Jan 24, 2019
Dec 13, 2018
Nov 7, 2018
Nov 7, 2018
Oct 18, 2018
Copy of the international search report
Search/Exam
Oct 18, 2018
Published international application - A1
Search/Exam
Sep 18, 2018
ISR: cited documents
PCTISA
Sep 17, 2018
Sep 17, 2018
Sep 17, 2018
Jul 18, 2018
Jul 18, 2018
Jun 28, 2018
Annex
PCTISA
Jun 28, 2018
Jun 28, 2018
May 15, 2018
Apr 26, 2018
Abstract
PCTISA
Apr 26, 2018
Annex
PCTISA
Apr 26, 2018
Claims
PCTISA
Apr 26, 2018
Description
PCTISA
Apr 26, 2018
Drawings
PCTISA
Apr 26, 2018
Apr 26, 2018
Apr 26, 2018
Apr 26, 2018
Apr 26, 2018
Apr 26, 2018