The weekly litigation news digest is live. Subscribe now
The patent EP3665048 was granted to Deutsches Zentrum FR Luft UND Raumfahrt EV on Jan 15, 2025. The application was filed on Jul 27, 2018 under application number EP18749755A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| SIEMENS MOBILITY | Mar 22, 2022 | SIEMENS PATENT ATTORNEYS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102011113093 |
| DESCRIPTION | WO2015128147 |
| DESCRIPTION | WO2015136137 |
| INTERNATIONAL-SEARCH-REPORT | DE102012004892 |
| INTERNATIONAL-SEARCH-REPORT | WO2006113954 |
| OPPOSITION | DE10062602 |
| OPPOSITION | DE102008028264 |
| OPPOSITION | DE102008038753 |
| OPPOSITION | DE102011113084 |
| OPPOSITION | DE102011113093 |
| OPPOSITION | DE102012004892 |
| OPPOSITION | DE102012217721 |
| OPPOSITION | DE19908850 |
| OPPOSITION | EP2288530 |
| OPPOSITION | EP2428425 |
| OPPOSITION | EP2981832 |
| OPPOSITION | US2004093196 |
| OPPOSITION | US2007001629 |
| OPPOSITION | US2009299555 |
| OPPOSITION | US2014343767 |
| OPPOSITION | WO2006113954 |
| OPPOSITION | WO2015128147 |
| OPPOSITION | WO2015136117 |
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 19, 2024
Dec 19, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Aug 28, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
Means of redress
OPPO
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
Mar 13, 2024
Mar 4, 2024
Feb 28, 2024
Feb 28, 2024
Feb 28, 2024
Feb 27, 2024
Feb 5, 2024
Feb 5, 2024
Authorisation
OPPO
Feb 5, 2024
Jan 24, 2024
Jan 12, 2024
Jan 12, 2024
Jan 12, 2024
Jan 12, 2024
Feb 22, 2023
Feb 16, 2023
Feb 8, 2023
Feb 8, 2023
Nov 21, 2022
Nov 18, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Oct 25, 2022
Document concerning representation
Search/Exam
Jul 27, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Apr 4, 2022
Apr 4, 2022
Mar 25, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Sep 21, 2021
Sep 6, 2021
Annexes in respect of a client data request
Search/Exam
Sep 6, 2021
Aug 27, 2021
Aug 16, 2021
Annexes in respect of a client data request
Search/Exam
Aug 16, 2021
Letter concerning fees and payments
Search/Exam
Aug 16, 2021
Jul 6, 2021
May 28, 2021
Decision to grant a European patent
Search/Exam
May 12, 2021
(Electronic) Receipt
Search/Exam
May 12, 2021
English translation of the claims
Search/Exam
May 12, 2021
Filing of the translations of the claims
Search/Exam
May 12, 2021
French translation of claims
Search/Exam
May 12, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 27, 2021
Jan 27, 2021
Jan 27, 2021
Intention to grant (signatures)
Search/Exam
Jan 27, 2021
Text intended for grant (clean copy)
Search/Exam
Jan 27, 2021
Nov 26, 2020
Examination started
Search/Exam
Nov 13, 2020
(Electronic) Receipt
Search/Exam
Nov 13, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 13, 2020
Priority search results
Search/Exam
Nov 13, 2020
Nov 4, 2020
May 20, 2020
Mar 17, 2020
Mar 13, 2020
Communication to designated inventor
Search/Exam
Mar 13, 2020
Communication to designated inventor
Search/Exam
Feb 26, 2020
Feb 11, 2020
(Electronic) Receipt
Search/Exam
Feb 11, 2020
Feb 11, 2020
Amended description with annotations
Search/Exam
Feb 11, 2020
Amendments received before examination
Search/Exam
Feb 11, 2020
Request for entry into the European phase
Search/Exam
Jan 9, 2020
Jan 9, 2020
Jan 9, 2020
Notification of the recording of a change
Search/Exam
Dec 20, 2019
Information on entry into European phase
Search/Exam
Mar 5, 2019
Feb 14, 2019
Copy of the international search report
Search/Exam
Feb 14, 2019
Copy of the international search report
Search/Exam
Feb 14, 2019
Published international application - A1
Search/Exam
Dec 13, 2018
ISR: cited documents
PCTISA
Dec 13, 2018
Dec 12, 2018
Dec 12, 2018
Dec 12, 2018
Nov 13, 2018
Nov 13, 2018
Oct 16, 2018
Aug 20, 2018
Aug 20, 2018
Aug 20, 2018
Aug 14, 2018
Aug 2, 2018
Jul 27, 2018
(Electronic) Receipt
PCTRO
Jul 27, 2018
Abstract
PCTRO
Jul 27, 2018
Claims
PCTRO
Jul 27, 2018
Description
PCTRO
Jul 27, 2018
Jul 27, 2018
Drawings
PCTRO
Jul 27, 2018