The weekly litigation news digest is live. Subscribe now
The patent EP2313637 was granted to Mannhummel on Aug 20, 2025. The application was filed on Jun 10, 2009 under application number EP09761728A. 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 |
|---|---|---|---|
| MAHLE | Nov 19, 2018 | BRP RENAUD & PARTNER MBB RECHTSANWALTE PATENTANWALTE STEUERBERATER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE20011003U |
| INTERNATIONAL-SEARCH-REPORT | EP0982062 |
| INTERNATIONAL-SEARCH-REPORT | US5640937 |
| INTERNATIONAL-SEARCH-REPORT | US5730768 |
| INTERNATIONAL-SEARCH-REPORT | US5888442 |
| OPPOSITION | DE102004016997 |
| OPPOSITION | DE102007047913 |
| OPPOSITION | DE19757423 |
| OPPOSITION | DE4125341 |
| OPPOSITION | DE4326731 |
| OPPOSITION | DE4412474 |
| OPPOSITION | EP0232640 |
| OPPOSITION | EP0982062 |
| OPPOSITION | JPH0248116U |
| OPPOSITION | US2006080949 |
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
Jul 24, 2025
Jul 24, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
May 12, 2025
May 12, 2025
May 12, 2025
May 7, 2025
Feb 12, 2025
Feb 12, 2025
Feb 12, 2025
Feb 12, 2025
Feb 12, 2025
Feb 12, 2025
Means of redress
OPPO
Feb 12, 2025
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Nov 4, 2024
Nov 4, 2024
Nov 4, 2024
Nov 4, 2024
Oct 24, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jun 28, 2024
Jun 28, 2024
Jun 28, 2024
May 17, 2024
May 13, 2024
(Electronic) Receipt
Appeal
May 13, 2024
May 13, 2024
Apr 29, 2024
Apr 24, 2024
(Electronic) Receipt
Appeal
Apr 24, 2024
Apr 24, 2024
Feb 22, 2024
Feb 22, 2024
Jul 7, 2023
Jul 7, 2023
Jul 4, 2023
Sep 8, 2022
Sep 5, 2022
(Electronic) Receipt
Appeal
Sep 5, 2022
Sep 5, 2022
Reply to appeal
Appeal
Aug 23, 2022
Aug 18, 2022
(Electronic) Receipt
Appeal
Aug 18, 2022
Aug 18, 2022
Reply to appeal
Appeal
May 5, 2022
Apr 29, 2022
Apr 29, 2022
Apr 25, 2022
(Electronic) Receipt
Appeal
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 12, 2022
(Electronic) Receipt
Appeal
Apr 12, 2022
Apr 12, 2022
Apr 12, 2022
Feb 22, 2022
Feb 22, 2022
Feb 16, 2022
(Electronic) Receipt
Appeal
Feb 16, 2022
Feb 16, 2022
Notice of appeal
Appeal
Jan 31, 2022
Jan 31, 2022
Jan 26, 2022
(Electronic) Receipt
Appeal
Jan 26, 2022
Jan 26, 2022
Notice of appeal
Appeal
Dec 20, 2021
Dec 16, 2021
Dec 16, 2021
Dec 16, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Means of redress
OPPO
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Oct 14, 2021
Sep 28, 2021
Sep 24, 2021
Authorisation
OPPO
Sep 22, 2021
Sep 22, 2021
Aug 18, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 6, 2021
Aug 6, 2021
Aug 4, 2021
Aug 2, 2021
Jul 30, 2021
Jul 30, 2021
Jul 30, 2021
Jun 16, 2021
Jun 16, 2021
Apr 20, 2021
Oct 26, 2020
Oct 26, 2020
Oct 26, 2020
Oct 23, 2020
Oct 21, 2020
Oct 21, 2020
Oct 21, 2020
Aug 17, 2020
Aug 13, 2020
Aug 13, 2020
Aug 13, 2020
Aug 12, 2020
Jul 20, 2020
Jul 20, 2020
Jul 16, 2020
Claims
OPPO
Jul 16, 2020
Claims
OPPO
Jul 16, 2020
Claims
OPPO
Jul 16, 2020
Claims
OPPO
Jul 16, 2020
Claims
OPPO
Jul 16, 2020
Claims
OPPO
Jul 16, 2020
Claims
OPPO
Jul 16, 2020
Claims
OPPO
Jul 16, 2020
Claims
OPPO
Jul 16, 2020
Claims
OPPO
Jul 16, 2020
Claims
OPPO
Jul 16, 2020
Claims
OPPO
Jul 16, 2020
Claims
OPPO
Jul 16, 2020
Claims
OPPO
Jul 16, 2020
Claims
OPPO
Jul 16, 2020
Claims
OPPO
Jul 16, 2020
Jul 16, 2020
Jul 16, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 15, 2020
Jul 13, 2020
Jul 13, 2020
Jul 10, 2020
Jul 6, 2020
Nov 21, 2019
Nov 21, 2019
Nov 14, 2019
Nov 14, 2019
Nov 14, 2019
Nov 14, 2019
Sep 5, 2019
Aug 30, 2019
Aug 30, 2019
Jun 3, 2019
May 27, 2019
May 27, 2019
May 27, 2019
May 27, 2019
Claims
OPPO
May 27, 2019
Claims
OPPO
May 27, 2019
May 27, 2019
May 21, 2019
May 21, 2019
May 15, 2019
May 15, 2019
Feb 28, 2019
Feb 27, 2019
Feb 18, 2019
Feb 18, 2019
Jan 17, 2019
Jan 17, 2019
Jan 17, 2019
Jan 9, 2019
Jan 9, 2019
Dec 3, 2018
Nov 28, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Nov 19, 2018
Nov 19, 2018
Nov 19, 2018
Nov 19, 2018
Nov 19, 2018
Nov 19, 2018
Nov 19, 2018
Nov 19, 2018
Nov 19, 2018
Nov 19, 2018
Nov 19, 2018
Nov 19, 2018
Nov 19, 2018
Nov 19, 2018
Mar 19, 2018
Feb 8, 2018
Decision to grant a European patent
Search/Exam
Feb 2, 2018
Feb 2, 2018
Jan 31, 2018
Jan 30, 2018
Jan 22, 2018
(Electronic) Receipt
Search/Exam
Jan 22, 2018
English translation of the claims
Search/Exam
Jan 22, 2018
French translation of claims
Search/Exam
Jan 22, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 22, 2018
Oct 10, 2017
Oct 10, 2017
Oct 10, 2017
Intention to grant (signatures)
Search/Exam
Oct 10, 2017
Text intended for grant (clean copy)
Search/Exam
Oct 10, 2017
Sep 11, 2017
Aug 16, 2017
Description
Search/Exam
Aug 16, 2017
Aug 11, 2017
Description
Search/Exam
Aug 11, 2017
Jun 26, 2017
Jun 26, 2017
Jun 26, 2017
Intention to grant (signatures)
Search/Exam
Jun 26, 2017
Text intended for grant (clean copy)
Search/Exam
Jun 26, 2017
May 31, 2017
Annex to a communication
Search/Exam
May 31, 2017
Annex to the communication
Search/Exam
May 31, 2017
Consultation by telephone/in person
Search/Exam
May 31, 2017
Jun 6, 2016
Jun 1, 2016
May 28, 2014
Amended claims with annotations
Search/Exam
May 28, 2014
Amended description with annotations
Search/Exam
May 28, 2014
Claims
Search/Exam
May 28, 2014
Description
Search/Exam
May 28, 2014
May 27, 2014
Amended claims with annotations
Search/Exam
May 27, 2014
Amended description with annotations
Search/Exam
May 27, 2014
Claims
Search/Exam
May 27, 2014
Description
Search/Exam
May 27, 2014
Mar 27, 2014
Mar 24, 2014
Feb 12, 2014
Designation of inventor
Search/Exam
Feb 12, 2014
Letter concerning the inventor
Search/Exam
Feb 7, 2014
Communication to designated inventor
Search/Exam
Feb 3, 2014
Designation of inventor
Search/Exam
Feb 3, 2014
Letter concerning the inventor
Search/Exam
Nov 20, 2013
Annex to the communication
Search/Exam
Nov 20, 2013
Communication from the Examining Division
Search/Exam
Nov 8, 2013
Examination started
Search/Exam
Oct 28, 2013
Nov 12, 2012
Nov 10, 2012
Nov 7, 2012
Apr 29, 2011
Amendments received before examination
Search/Exam
Apr 21, 2011
Amendments received before examination
Search/Exam
Mar 30, 2011
Mar 25, 2011
Dec 30, 2010
Dec 2, 2010
(Electronic) Receipt
Search/Exam
Dec 2, 2010
Request for entry into the European phase
Search/Exam
Nov 30, 2010
Nov 30, 2010
Nov 30, 2010
Nov 30, 2010
Nov 30, 2010
Notification of the recording of a change
Search/Exam
Nov 30, 2010
Notification of the recording of a change
Search/Exam
Nov 30, 2010
Notification of the recording of a change
Search/Exam
Nov 30, 2010
Notification of the recording of a change
Search/Exam
Oct 22, 2010
Information on entry into European phase
Search/Exam
Jan 6, 2010
Jan 6, 2010
Dec 17, 2009
Copy of the international search report
Search/Exam
Dec 17, 2009
Copy of the international search report
Search/Exam
Dec 17, 2009
Published international application - A1
Search/Exam
Oct 1, 2009
Oct 1, 2009
Oct 1, 2009
Jun 10, 2009
(Electronic) Receipt
PCTRO
Jun 10, 2009
Abstract
PCTRO
Jun 10, 2009
Claims
PCTRO
Jun 10, 2009
Description
PCTRO
Jun 10, 2009
Drawings
PCTRO