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The patent EP3500770 was granted to Contitech Luftfedersysteme on Oct 5, 2022. The application was filed on Jun 12, 2017 under application number EP17728878A. 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 | Jul 5, 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 | WO2016045813 |
| 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 | 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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Means of redress
OPPO
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Oct 17, 2022
Sep 8, 2022
Decision to grant a European patent
Search/Exam
Aug 24, 2022
(Electronic) Receipt
Search/Exam
Aug 24, 2022
English translation of the claims
Search/Exam
Aug 24, 2022
French translation of claims
Search/Exam
Aug 24, 2022
Letter accompanying subsequently filed items
Search/Exam
May 23, 2022
May 23, 2022
May 23, 2022
Intention to grant (signatures)
Search/Exam
May 23, 2022
Text intended for grant (clean copy)
Search/Exam
May 23, 2022
Apr 13, 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
Nov 23, 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
Nov 26, 2019
Nov 13, 2019
Aug 15, 2019
(Electronic) Receipt
Search/Exam
Aug 15, 2019
Aug 15, 2019
Amendments received before examination
Search/Exam
Aug 15, 2019
Letter accompanying subsequently filed items
Search/Exam
May 29, 2019
May 2, 2019
Apr 15, 2019
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 16, 2019
Jan 16, 2019
Notification of the recording of a change
Search/Exam
Jan 9, 2019
(Electronic) Receipt
Search/Exam
Jan 9, 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 22, 2017
Sep 22, 2017
Sep 22, 2017
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
Drawings
PCTRO
Jun 12, 2017