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The patent EP2739461 was granted to Delta on Apr 10, 2019. The application was filed on Aug 2, 2012 under application number EP12742913A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| BLANCO | Jan 10, 2020 | ULLRICH & NAUMANN PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1114716 |
| DESCRIPTION | WO0238682 |
| INTERNATIONAL-SEARCH-REPORT | EP1114716 |
| INTERNATIONAL-SEARCH-REPORT | US2003027884 |
| INTERNATIONAL-SEARCH-REPORT | WO0238682 |
| OPPOSITION | EP1027924 |
| OPPOSITION | EP1114716 |
| OPPOSITION | EP1147812 |
| OPPOSITION | EP1207180 |
| OPPOSITION | EP1672012 |
| OPPOSITION | EP2237899 |
| OPPOSITION | US2003027884 |
| OPPOSITION | WO0238682 |
| OPPOSITION | WO2010025995 |
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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Apr 15, 2024
Refund of fees
Appeal
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 5, 2024
Mar 26, 2024
(Electronic) Receipt
Appeal
Mar 26, 2024
Mar 26, 2024
Withdrawal of an appeal
Appeal
Feb 27, 2024
Feb 27, 2024
Jan 11, 2024
Jan 11, 2024
Jan 7, 2024
Apr 18, 2023
Advice of delivery
Appeal
Apr 13, 2023
Apr 13, 2023
Apr 13, 2023
Apr 13, 2023
Apr 10, 2023
Mar 27, 2023
Aug 23, 2022
Aug 12, 2022
(Electronic) Receipt
Appeal
Aug 12, 2022
Aug 12, 2022
Aug 12, 2022
Aug 12, 2022
Aug 12, 2022
Aug 12, 2022
Aug 12, 2022
Aug 12, 2022
Reply to appeal
Appeal
Apr 12, 2022
Apr 1, 2022
(Electronic) Receipt
Appeal
Apr 1, 2022
Apr 1, 2022
Apr 1, 2022
Apr 1, 2022
Apr 1, 2022
Apr 1, 2022
Apr 1, 2022
Feb 16, 2022
Feb 9, 2022
(Electronic) Receipt
Appeal
Feb 9, 2022
Feb 9, 2022
Feb 7, 2022
Feb 7, 2022
Jan 31, 2022
(Electronic) Receipt
Appeal
Jan 31, 2022
Jan 31, 2022
Notice of appeal
Appeal
Dec 3, 2021
Dec 2, 2021
Dec 1, 2021
Dec 1, 2021
Dec 1, 2021
Dec 1, 2021
Dec 1, 2021
Dec 1, 2021
Means of redress
OPPO
Dec 1, 2021
Dec 1, 2021
Dec 1, 2021
Dec 1, 2021
Dec 1, 2021
Dec 1, 2021
Dec 1, 2021
Oct 11, 2021
Aug 16, 2021
Aug 11, 2021
Aug 10, 2021
Aug 10, 2021
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Aug 3, 2021
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Jul 29, 2021
Jul 29, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 16, 2021
Jul 16, 2021
Jul 16, 2021
May 28, 2021
May 28, 2021
Authorisation
OPPO
May 28, 2021
May 21, 2021
May 21, 2021
May 21, 2021
May 11, 2021
Authorisation
OPPO
Jan 7, 2021
Dec 17, 2020
Dec 14, 2020
Dec 14, 2020
Dec 14, 2020
Dec 14, 2020
Dec 14, 2020
Dec 14, 2020
Dec 14, 2020
Dec 14, 2020
Nov 2, 2020
Oct 28, 2020
Oct 28, 2020
Oct 28, 2020
Jul 28, 2020
Jul 21, 2020
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Mar 16, 2020
Mar 16, 2020
Mar 10, 2020
Jan 22, 2020
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Jan 16, 2020
Jan 10, 2020
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Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Apr 24, 2019
Mar 29, 2019
Mar 22, 2019
Mar 14, 2019
Decision to grant a European patent
Search/Exam
Feb 25, 2019
(Electronic) Receipt
Search/Exam
Feb 25, 2019
Filing of the translations of the claims
Search/Exam
Feb 25, 2019
French translation of claims
Search/Exam
Feb 25, 2019
German translation of the claims
Search/Exam
Feb 25, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Intention to grant (signatures)
Search/Exam
Nov 14, 2018
Text intended for grant (clean copy)
Search/Exam
Nov 14, 2018
Oct 3, 2018
(Electronic) Receipt
Search/Exam
Oct 3, 2018
Amended claims with annotations
Search/Exam
Oct 3, 2018
Claims
Search/Exam
Oct 3, 2018
Description
Search/Exam
Oct 3, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 3, 2018
Jul 30, 2018
Annex to the communication
Search/Exam
Jul 30, 2018
Communication from the Examining Division
Search/Exam
Feb 1, 2018
(Electronic) Receipt
Search/Exam
Feb 1, 2018
Amended claims with annotations
Search/Exam
Feb 1, 2018
Claims
Search/Exam
Feb 1, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2018
Feb 1, 2018
Feb 1, 2018
Feb 1, 2018
Feb 1, 2018
Dec 11, 2017
Annex to the communication
Search/Exam
Dec 11, 2017
Communication from the Examining Division
Search/Exam
Dec 1, 2017
Examination started
Search/Exam
Sep 14, 2017
May 14, 2014
May 13, 2014
(Electronic) Receipt
Search/Exam
May 13, 2014
May 13, 2014
Amended claims with annotations
Search/Exam
May 13, 2014
Amendments received before examination
Search/Exam
May 13, 2014
Letter accompanying subsequently filed items
Search/Exam
Mar 13, 2014
Mar 10, 2014
Communication to designated inventor
Search/Exam
Mar 10, 2014
Communication to designated inventor
Search/Exam
Mar 10, 2014
Communication to designated inventor
Search/Exam
Mar 10, 2014
Communication to designated inventor
Search/Exam
Mar 6, 2014
Priority search results copy provided by EPO
Search/Exam
Feb 20, 2014
Authorisation
Search/Exam
Feb 20, 2014
Matter concerning the application
Search/Exam
Feb 19, 2014
(Electronic) Receipt
Search/Exam
Feb 19, 2014
Request for entry into the European phase
Search/Exam
Feb 18, 2014
Dec 11, 2013
Information on entry into European phase
Search/Exam
Feb 26, 2013
Feb 7, 2013
Copy of the international search report
Search/Exam
Feb 7, 2013
Feb 7, 2013
Published international application - A1
Search/Exam
Nov 27, 2012
Nov 27, 2012
Nov 27, 2012
Sep 13, 2012
Sep 10, 2012
Annex
PCTRO
Sep 10, 2012
Annex
PCTRO
Aug 6, 2012
Aug 2, 2012
(Electronic) Receipt
PCTRO
Aug 2, 2012
Abstract
PCTRO
Aug 2, 2012
Claims
PCTRO
Aug 2, 2012
Description
PCTRO
Aug 2, 2012
Drawings
PCTRO