The weekly litigation news digest is live. Subscribe now
The patent EP3582989 was granted to Mubea Carbo Tech on Jul 20, 2022. The application was filed on Feb 9, 2018 under application number EP18706442A. 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 |
|---|---|---|---|
| AUTOTECH ENGINEERING SL | Apr 20, 2023 | DE ROOIJ | ADMISSIBLE |
| DR ING HCF PORSCHE | Apr 20, 2023 | BUSSE & BUSSE | ADMISSIBLE |
| DR ING HCF PORSCHE | Apr 20, 2023 | MANSKE | ADMISSIBLE |
| FRITZMEIER COMPOSITE | Apr 19, 2023 | WINTER | ADMISSIBLE |
| PREU BOHLIG & PARTNER RECHTSANWALTE MBB | Apr 19, 2023 | WSL PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
| AUDI | Apr 18, 2023 | LINDNER BLAUMEIER PATENT UND RECHTSANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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
Get instant alerts for new documents
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 8, 2025
(Electronic) Receipt
Appeal
Dec 8, 2025
Dec 8, 2025
Notice of appeal
Appeal
Dec 5, 2025
(Electronic) Receipt
Appeal
Dec 5, 2025
Notice of appeal
Appeal
Dec 5, 2025
Notice of appeal
Appeal
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Means of redress
OPPO
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 1, 2025
Jun 4, 2025
Jun 4, 2025
Jun 2, 2025
Jun 2, 2025
Jun 2, 2025
Jun 2, 2025
Jun 2, 2025
Jun 2, 2025
Jun 2, 2025
Jun 2, 2025
Jun 2, 2025
Jun 2, 2025
May 30, 2025
May 30, 2025
May 30, 2025
May 30, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 27, 2025
May 23, 2025
May 23, 2025
May 23, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 15, 2025
May 15, 2025
May 15, 2025
May 14, 2025
May 12, 2025
May 12, 2025
May 12, 2025
May 12, 2025
May 8, 2025
May 8, 2025
May 8, 2025
May 8, 2025
May 8, 2025
Apr 29, 2025
Apr 29, 2025
Apr 29, 2025
Apr 29, 2025
Apr 29, 2025
Apr 29, 2025
Apr 15, 2025
Apr 15, 2025
Apr 15, 2025
Apr 15, 2025
Apr 15, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Mar 28, 2025
Mar 28, 2025
Mar 28, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 10, 2025
Jan 10, 2025
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 10, 2024
May 10, 2024
May 10, 2024
May 10, 2024
May 10, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 22, 2024
Apr 22, 2024
Apr 22, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 10, 2023
May 10, 2023
May 10, 2023
May 10, 2023
May 10, 2023
May 10, 2023
May 10, 2023
May 10, 2023
May 10, 2023
May 10, 2023
May 10, 2023
May 10, 2023
May 10, 2023
May 10, 2023
May 8, 2023
May 3, 2023
Apr 25, 2023
Apr 25, 2023
Apr 25, 2023
Apr 25, 2023
Apr 25, 2023
Apr 25, 2023
Apr 25, 2023
Apr 21, 2023
Apr 21, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Aug 2, 2022
Jun 23, 2022
Decision to grant a European patent
Search/Exam
Jun 14, 2022
Filing of the translations of the claims
Search/Exam
Jun 14, 2022
French translation of claims
Search/Exam
Jun 14, 2022
German translation of the claims
Search/Exam
Apr 19, 2022
Document concerning representation
Search/Exam
Feb 15, 2022
Feb 15, 2022
Feb 15, 2022
Intention to grant (signatures)
Search/Exam
Feb 15, 2022
Text intended for grant (clean copy)
Search/Exam
Feb 15, 2022
Dec 7, 2021
Aug 16, 2021
Aug 16, 2021
Aug 16, 2021
Intention to grant (signatures)
Search/Exam
Aug 16, 2021
Text intended for grant (clean copy)
Search/Exam
Aug 16, 2021
Apr 28, 2021
Amended claims with annotations
Search/Exam
Apr 28, 2021
Claims
Search/Exam
Apr 28, 2021
Apr 20, 2021
Annex to the communication
Search/Exam
Apr 20, 2021
Consultation by telephone/in person
Search/Exam
Apr 20, 2021
Feb 15, 2021
Feb 10, 2021
Oct 19, 2020
Annex to the communication
Search/Exam
Oct 19, 2020
Communication from the Examining Division
Search/Exam
Oct 13, 2020
Examination started
Search/Exam
Apr 1, 2020
Apr 1, 2020
Amended claims with annotations
Search/Exam
Apr 1, 2020
Amendments received before examination
Search/Exam
Mar 10, 2020
Mar 2, 2020
Observations by third parties
Search/Exam
Nov 27, 2019
Sep 26, 2019
Sep 20, 2019
Communication to designated inventor
Search/Exam
Sep 20, 2019
Communication to designated inventor
Search/Exam
Sep 20, 2019
Communication to designated inventor
Search/Exam
Sep 20, 2019
Communication to designated inventor
Search/Exam
Sep 10, 2019
(Electronic) Receipt
Search/Exam
Sep 10, 2019
Request for entry into the European phase
Search/Exam
Sep 2, 2019
Jun 28, 2019
Information on entry into European phase
Search/Exam
Sep 12, 2018
Aug 23, 2018
Copy of the international search report
Search/Exam
Aug 23, 2018
Published international application - A1
Search/Exam
May 11, 2018
Annex to a communication
Search/Exam
May 11, 2018
May 11, 2018
May 11, 2018
Mar 7, 2018
Feb 26, 2018
Feb 9, 2018
(Electronic) Receipt
PCTRO
Feb 9, 2018
Abstract
PCTRO
Feb 9, 2018
Claims
PCTRO
Feb 9, 2018
Description
PCTRO
Feb 9, 2018
Feb 9, 2018
Drawings
PCTRO
Feb 9, 2018
Feb 9, 2018