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The patent EP3500771 was granted to Contitech Elastomer Beschichtungen on Nov 2, 2022. The application was filed on Jun 12, 2017 under application number EP17732816A. 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 |
|---|---|---|---|
| HUBNER | Aug 2, 2023 | TER MEER STEINMEISTER & PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE2729838 |
| DESCRIPTION | EP2196492 |
| DESCRIPTION | EP2842992 |
| EXAMINATION | EP2805812 |
| INTERNATIONAL-SEARCH-REPORT | JP2003160695 |
| INTERNATIONAL-SEARCH-REPORT | JP2004314838 |
| INTERNATIONAL-SEARCH-REPORT | JPH09104859 |
| INTERNATIONAL-SEARCH-REPORT | JPH09132677 |
| INTERNATIONAL-SEARCH-REPORT | JPH10139828 |
| OPPOSITION | CN104277273 |
| OPPOSITION | DE102007042496 |
| OPPOSITION | DE4014850 |
| OPPOSITION | EP0933401 |
| OPPOSITION | EP0976780 |
| OPPOSITION | EP1690832 |
| OPPOSITION | EP1840163 |
| OPPOSITION | WO02070589 |
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 15, 2022
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Decision to grant a European patent
Search/Exam
Sep 26, 2022
(Electronic) Receipt
Search/Exam
Sep 26, 2022
English translation of the claims
Search/Exam
Sep 26, 2022
Filing of the translations of the claims
Search/Exam
Sep 26, 2022
French translation of claims
Search/Exam
Jun 3, 2022
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Intention to grant (signatures)
Search/Exam
Jun 3, 2022
Text intended for grant (clean copy)
Search/Exam
Jun 3, 2022
Apr 14, 2022
Examination started
Search/Exam
Mar 15, 2021
Jan 29, 2021
Jan 6, 2021
General enquiry
Search/Exam
Jan 6, 2021
General enquiry
Search/Exam
Jan 6, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 6, 2021
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Annexes in respect of a client data request
Search/Exam
Nov 13, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 13, 2020
Nov 26, 2019
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Amendments received before examination
Search/Exam
May 29, 2019
May 2, 2019
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Letter which had not been notified
Search/Exam
Mar 28, 2019
Mar 26, 2019
Communication to designated inventor
Search/Exam
Mar 26, 2019
Communication to designated inventor
Search/Exam
Mar 26, 2019
Communication to designated inventor
Search/Exam
Mar 26, 2019
Communication to designated inventor
Search/Exam
Mar 26, 2019
Communication to designated inventor
Search/Exam
Mar 5, 2019
Jan 23, 2019
(Electronic) Receipt
Search/Exam
Jan 23, 2019
Request for entry into the European phase
Search/Exam
Jan 4, 2019
Information on entry into European phase
Search/Exam
Mar 12, 2018
Feb 22, 2018
Copy of the international search report
Search/Exam
Feb 22, 2018
Copy of the international search report
Search/Exam
Feb 22, 2018
Published international application - A1
Search/Exam
Sep 28, 2017
Sep 28, 2017
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Jun 20, 2017
Jun 16, 2017
Jun 12, 2017
(Electronic) Receipt
PCTRO
Jun 12, 2017
Abstract
PCTRO
Jun 12, 2017
Claims
PCTRO
Jun 12, 2017
Description
PCTRO
Jun 12, 2017
Jun 12, 2017