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The patent EP3548280 was granted to Contitech Deutschland on Aug 16, 2023. The application was filed on Nov 2, 2017 under application number EP17801616A. 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 |
|---|---|---|---|
| VERITAS | May 3, 2024 | PATENTSHIP PATENTANWALTSGESELLSCHAFT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102008014988 |
| DESCRIPTION | DE102013223910 |
| DESCRIPTION | DE102013226629 |
| DESCRIPTION | DE10322026 |
| DESCRIPTION | DE19980666T |
| DESCRIPTION | DE602005005270T |
| DESCRIPTION | DE60211160T |
| DESCRIPTION | DE69506904T |
| DESCRIPTION | DE69930696T |
| DESCRIPTION | EP1497112 |
| DESCRIPTION | EP1537989 |
| DESCRIPTION | US2006127619 |
| DESCRIPTION | US2012199238 |
| DESCRIPTION | US5679425 |
| DESCRIPTION | US6143415 |
| EXAMINATION | EP1568484 |
| INTERNATIONAL-SEARCH-REPORT | EP1096190 |
| INTERNATIONAL-SEARCH-REPORT | US2012199238 |
| OPPOSITION | AU2001265114B |
| OPPOSITION | CN104245308 |
| OPPOSITION | EP0739712 |
| OPPOSITION | EP1096190 |
| OPPOSITION | EP1816162 |
| OPPOSITION | EP2639059 |
| OPPOSITION | EP2639279 |
| OPPOSITION | JPH01247157 |
| OPPOSITION | JPH04338533 |
| OPPOSITION | JPH07229584 |
| OPPOSITION | JPH08294979 |
| OPPOSITION | JPH11315966 |
| OPPOSITION | JPS58162335 |
| OPPOSITION | US2005208248 |
| OPPOSITION | US2012107617 |
| OPPOSITION | US2013236670 |
| OPPOSITION | US3857807 |
| OPPOSITION | US5588469 |
| OPPOSITION | US5804668 |
| OPPOSITION | US6482522 |
| OPPOSITION | US6822341 |
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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Authorisation
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Aug 29, 2023
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Decision to grant a European patent
Search/Exam
Jul 11, 2023
(Electronic) Receipt
Search/Exam
Jul 11, 2023
English translation of the claims
Search/Exam
Jul 11, 2023
Filing of the translations of the claims
Search/Exam
Jul 11, 2023
French translation of claims
Search/Exam
Mar 15, 2023
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Intention to grant (signatures)
Search/Exam
Mar 15, 2023
Text intended for grant (clean copy)
Search/Exam
Mar 15, 2023
Jul 16, 2021
(Electronic) Receipt
Search/Exam
Jul 16, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 16, 2021
Apr 9, 2021
Annex to the communication
Search/Exam
Apr 9, 2021
Communication from the Examining Division
Search/Exam
Mar 15, 2021
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General enquiry
Search/Exam
Jan 6, 2021
General enquiry
Search/Exam
Jan 6, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 6, 2021
May 4, 2020
(Electronic) Receipt
Search/Exam
May 4, 2020
Amended description with annotations
Search/Exam
May 4, 2020
Annex
Search/Exam
May 4, 2020
Annex
Search/Exam
May 4, 2020
Claims
Search/Exam
May 4, 2020
Description
Search/Exam
May 4, 2020
Letter accompanying subsequently filed items
Search/Exam
May 4, 2020
Modified abstract
Search/Exam
May 4, 2020
Mar 19, 2020
Annex to the communication
Search/Exam
Mar 19, 2020
Communication from the Examining Division
Search/Exam
Mar 16, 2020
Examination started
Search/Exam
Jan 8, 2020
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Amendments received before examination
Search/Exam
Sep 11, 2019
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Communication to designated inventor
Search/Exam
Jun 17, 2019
Apr 5, 2019
Information regarding early processing
Search/Exam
Mar 29, 2019
(Electronic) Receipt
Search/Exam
Mar 29, 2019
Request for entry into the European phase
Search/Exam
Jun 26, 2018
Jun 7, 2018
Copy of the international search report
Search/Exam
Jun 7, 2018
Copy of the international search report
Search/Exam
Jun 7, 2018
Published international application - A1
Search/Exam
Jan 2, 2018
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(Electronic) Receipt
PCTRO
Nov 2, 2017
Abstract
PCTRO
Nov 2, 2017
Claims
PCTRO
Nov 2, 2017
Description
PCTRO
Nov 2, 2017
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