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The patent EP2911536 was granted to GD Societa PER Azioni on Dec 18, 2019. The application was filed on Oct 25, 2013 under application number EP13821976A. 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 |
|---|---|---|---|
| KORBER | Sep 16, 2020 | SEEMANN & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2006157070 |
| DESCRIPTION | US2006201523 |
| DESCRIPTION | WO2006070289 |
| EXAMINATION | EP1441604 |
| INTERNATIONAL-SEARCH-REPORT | US2006157070 |
| INTERNATIONAL-SEARCH-REPORT | WO2006070289 |
| INTERNATIONAL-SEARCH-REPORT | WO2012164067 |
| OPPOSITION | CH320292 |
| OPPOSITION | DE1006324 |
| OPPOSITION | EP0836390 |
| OPPOSITION | EP1441604 |
| OPPOSITION | US2006157070 |
| OPPOSITION | US2006201523 |
| OPPOSITION | US3308832 |
| OPPOSITION | US4564029 |
| OPPOSITION | US4886077 |
| OPPOSITION | US5425383 |
| OPPOSITION | US5495860 |
| OPPOSITION | US5819751 |
| OPPOSITION | WO0016647 |
| OPPOSITION | WO03037113 |
| OPPOSITION | WO2006070289 |
| OPPOSITION | WO2007108878 |
| OPPOSITION | WO2012164067 |
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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Dec 19, 2025
Dec 19, 2025
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(Electronic) Receipt
Appeal
Nov 13, 2025
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(Electronic) Receipt
Appeal
Oct 27, 2025
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(Electronic) Receipt
Appeal
Oct 10, 2025
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Sep 29, 2025
Sep 26, 2025
(Electronic) Receipt
Appeal
Sep 26, 2025
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(Electronic) Receipt
Appeal
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Jun 26, 2024
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(Electronic) Receipt
Appeal
Jun 12, 2024
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Reply to appeal
Appeal
Jun 11, 2024
(Electronic) Receipt
Appeal
Jun 11, 2024
Jun 11, 2024
Reply to appeal
Appeal
May 29, 2024
May 28, 2024
May 23, 2024
Annex
Appeal
May 23, 2024
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Feb 12, 2024
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Feb 8, 2024
(Electronic) Receipt
Appeal
Feb 8, 2024
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Feb 7, 2024
(Electronic) Receipt
Appeal
Feb 7, 2024
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Dec 1, 2023
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Nov 28, 2023
(Electronic) Receipt
Appeal
Nov 28, 2023
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Nov 28, 2023
Notice of appeal
Appeal
Nov 6, 2023
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Oct 27, 2023
(Electronic) Receipt
Appeal
Oct 27, 2023
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Notice of appeal
Appeal
Oct 13, 2023
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Means of redress
OPPO
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Annexes in respect of a client data request
Search/Exam
Nov 22, 2022
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Submission concerning representation
Search/Exam
Nov 22, 2022
Oct 14, 2022
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Authorisation
OPPO
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Jan 2, 2020
Nov 21, 2019
Decision to grant a European patent
Search/Exam
Nov 6, 2019
(Electronic) Receipt
Search/Exam
Nov 6, 2019
French translation of claims
Search/Exam
Nov 6, 2019
German translation of the claims
Search/Exam
Nov 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 5, 2019
Jul 5, 2019
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Intention to grant (signatures)
Search/Exam
Jul 5, 2019
Text intended for grant (clean copy)
Search/Exam
Jul 5, 2019
Apr 2, 2019
(Electronic) Receipt
Search/Exam
Apr 2, 2019
Amended claims with annotations
Search/Exam
Apr 2, 2019
Amended description with annotations
Search/Exam
Apr 2, 2019
Annex
Search/Exam
Apr 2, 2019
Claims
Search/Exam
Apr 2, 2019
Description
Search/Exam
Apr 2, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 2, 2019
Nov 22, 2018
Annex to the communication
Search/Exam
Nov 22, 2018
Communication from the Examining Division
Search/Exam
Nov 21, 2018
Nov 21, 2018
Nov 16, 2018
Examination started
Search/Exam
May 10, 2017
Non-scannable object
Search/Exam
May 10, 2017
Observations by third parties
Search/Exam
Feb 17, 2016
Communication to designated inventor
Search/Exam
Feb 10, 2016
Letter concerning the inventor
Search/Exam
Jan 19, 2016
Refund of fees
Search/Exam
Dec 30, 2015
(Electronic) Receipt
Search/Exam
Dec 30, 2015
Dec 30, 2015
Amended claims with annotations
Search/Exam
Dec 30, 2015
Amendments received before examination
Search/Exam
Dec 30, 2015
Letter accompanying subsequently filed items
Search/Exam
Sep 18, 2015
Sep 10, 2015
Letter which had not been notified
Search/Exam
Aug 5, 2015
Jun 23, 2015
Jun 16, 2015
Priority search results copy provided by EPO
Search/Exam
Jun 3, 2015
Communication to designated inventor
Search/Exam
Jun 3, 2015
Communication to designated inventor
Search/Exam
Jun 3, 2015
Communication to designated inventor
Search/Exam
Jun 3, 2015
Communication to designated inventor
Search/Exam
May 13, 2015
Apr 16, 2015
(Electronic) Receipt
Search/Exam
Apr 16, 2015
Abstract
Search/Exam
Apr 16, 2015
Apr 16, 2015
Apr 16, 2015
Amendments received before examination
Search/Exam
Apr 16, 2015
Request for entry into the European phase
Search/Exam
Mar 6, 2015
Information on entry into European phase
Search/Exam
Jun 12, 2014
Copy of the international search report
Search/Exam
Jun 12, 2014
May 20, 2014
May 1, 2014
Published international application - A2
Search/Exam
Apr 17, 2014
Apr 17, 2014
Apr 17, 2014
Jan 23, 2014
Abstract
PCTISA
Jan 23, 2014
Claims
PCTISA
Jan 23, 2014
Description
PCTISA
Jan 23, 2014
Drawings
PCTISA