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The patent EP2334762 was granted to Dall Energy APS on Oct 10, 2018. The application was filed on Aug 28, 2009 under application number EP09776275A. The patent is currently recorded with a legal status of "Opposition Rejected".
Latest UPC cases involving this patent.
| Case Number | Filing Date | Plaintiff | Proceeding Type |
|---|---|---|---|
| UPC_CFI_513/2025 | Jun 11, 2025 | Dall Energy | Infringement |

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 |
|---|---|---|---|
| OBERNBERGER | Jul 10, 2019 | KUHNEN & WACKER PATENT UND RECHTSANWALTSBURO PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US5205227 |
| INTERNATIONAL-SEARCH-REPORT | BE537255 |
| INTERNATIONAL-SEARCH-REPORT | DE102005000768 |
| INTERNATIONAL-SEARCH-REPORT | DE19937188 |
| INTERNATIONAL-SEARCH-REPORT | EP0096169 |
| INTERNATIONAL-SEARCH-REPORT | EP1201993 |
| INTERNATIONAL-SEARCH-REPORT | US3680503 |
| INTERNATIONAL-SEARCH-REPORT | US4261269 |
| INTERNATIONAL-SEARCH-REPORT | WO0168789 |
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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Jul 3, 2024
Jul 3, 2024
Jul 3, 2024
Apr 18, 2024
Apr 18, 2024
Apr 18, 2024
Apr 8, 2024
Apr 5, 2024
(Electronic) Receipt
Appeal
Apr 5, 2024
Apr 5, 2024
Mar 19, 2024
Mar 19, 2024
Mar 15, 2024
(Electronic) Receipt
Appeal
Mar 15, 2024
(Electronic) Receipt
Appeal
Mar 15, 2024
Mar 15, 2024
Mar 15, 2024
Mar 14, 2024
(Electronic) Receipt
Appeal
Mar 14, 2024
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Mar 11, 2024
(Electronic) Receipt
Appeal
Mar 11, 2024
Mar 11, 2024
Mar 11, 2024
Mar 11, 2024
Mar 11, 2024
Mar 7, 2024
Mar 6, 2024
(Electronic) Receipt
Appeal
Mar 6, 2024
Mar 6, 2024
Mar 5, 2024
(Electronic) Receipt
Appeal
Mar 5, 2024
Mar 5, 2024
Jan 17, 2024
Jan 17, 2024
Aug 11, 2023
Aug 9, 2023
(Electronic) Receipt
Appeal
Aug 9, 2023
Aug 9, 2023
Jul 7, 2023
Jul 7, 2023
Jul 4, 2023
Apr 19, 2023
Apr 19, 2023
Apr 13, 2023
(Electronic) Receipt
Appeal
Apr 13, 2023
Apr 13, 2023
Authorisation
Appeal
Apr 13, 2023
Apr 13, 2023
Jan 18, 2023
Oct 28, 2022
Oct 25, 2022
(Electronic) Receipt
Appeal
Oct 25, 2022
Oct 25, 2022
Oct 25, 2022
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Jun 29, 2022
Jun 24, 2022
(Electronic) Receipt
Appeal
Jun 24, 2022
Jun 24, 2022
Mar 23, 2022
Mar 17, 2022
(Electronic) Receipt
Appeal
Mar 17, 2022
Mar 17, 2022
Reply to appeal
Appeal
Nov 8, 2021
Nov 3, 2021
(Electronic) Receipt
Appeal
Nov 3, 2021
Nov 3, 2021
Aug 11, 2021
Aug 11, 2021
Aug 5, 2021
(Electronic) Receipt
Appeal
Aug 5, 2021
Aug 5, 2021
Notice of appeal
Appeal
Jun 25, 2021
Jun 23, 2021
Jun 23, 2021
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Means of redress
OPPO
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Claims
OPPO
Mar 18, 2021
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Feb 18, 2021
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Feb 15, 2021
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Oct 28, 2020
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Jul 10, 2019
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Dec 4, 2018
Submission concerning representation
Search/Exam
Oct 22, 2018
Sep 13, 2018
Decision to grant a European patent
Search/Exam
Jul 26, 2018
(Electronic) Receipt
Search/Exam
Jul 26, 2018
Filing of the translations of the claims
Search/Exam
Jul 26, 2018
French translation of claims
Search/Exam
Jul 26, 2018
German translation of the claims
Search/Exam
Jul 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Intention to grant (signatures)
Search/Exam
Mar 21, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 21, 2018
Feb 14, 2018
Feb 1, 2018
(Electronic) Receipt
Search/Exam
Feb 1, 2018
Claims
Search/Exam
Feb 1, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2018
Letter dealing with oral proceedings
Search/Exam
Jan 31, 2018
Jan 31, 2018
Jan 30, 2018
Annex to the communication
Search/Exam
Jan 30, 2018
Consultation by telephone/in person
Search/Exam
Jan 30, 2018
Jan 25, 2018
Annex to the communication
Search/Exam
Jan 25, 2018
Consultation by telephone/in person
Search/Exam
Jan 25, 2018
Jan 24, 2018
(Electronic) Receipt
Search/Exam
Jan 24, 2018
(Electronic) Receipt
Search/Exam
Jan 24, 2018
Amended claims with annotations
Search/Exam
Jan 24, 2018
Claims
Search/Exam
Jan 24, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2018
Jan 24, 2018
Non-patent literature filed by a third party
Search/Exam
Jan 24, 2018
Non-patent literature filed by a third party
Search/Exam
Jan 24, 2018
Non-patent literature filed by a third party
Search/Exam
Jan 24, 2018
Non-patent literature filed by a third party
Search/Exam
Jan 24, 2018
Non-patent literature filed by a third party
Search/Exam
Jan 24, 2018
Non-patent literature filed by a third party
Search/Exam
Jan 24, 2018
Non-patent literature filed by a third party
Search/Exam
Jan 24, 2018
Non-patent literature filed by a third party
Search/Exam
Jan 24, 2018
Non-patent literature filed by a third party
Search/Exam
Jan 24, 2018
Non-patent literature filed by a third party
Search/Exam
Jan 24, 2018
Observations by third parties
Search/Exam
Jan 8, 2018
(Electronic) Receipt
Search/Exam
Jan 8, 2018
Amended claims with annotations
Search/Exam
Jan 8, 2018
Amended claims with annotations
Search/Exam
Jan 8, 2018
Claims
Search/Exam
Jan 8, 2018
Claims
Search/Exam
Jan 8, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 8, 2018
Dec 19, 2017
Annex to the communication
Search/Exam
Dec 19, 2017
Consultation by telephone/in person
Search/Exam
Dec 19, 2017
Nov 7, 2017
(Electronic) Receipt
Search/Exam
Nov 7, 2017
Amended claims with annotations
Search/Exam
Nov 7, 2017
Amended description with annotations
Search/Exam
Nov 7, 2017
Claims
Search/Exam
Nov 7, 2017
Description
Search/Exam
Nov 7, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 7, 2017
Letter dealing with oral proceedings
Search/Exam
Oct 2, 2017
Advice of delivery
Search/Exam
Sep 27, 2017
Acknowledgement of a document
Search/Exam
Sep 21, 2017
Annex to the communication
Search/Exam
Sep 21, 2017
Summons to attend oral proceedings
Search/Exam
Jan 26, 2016
Submission concerning representation
Search/Exam
Aug 12, 2015
(Electronic) Receipt
Search/Exam
Aug 12, 2015
Amended claims with annotations
Search/Exam
Aug 12, 2015
Claims
Search/Exam
Aug 12, 2015
Letter accompanying subsequently filed items
Search/Exam
Aug 12, 2015
Jun 16, 2015
Jun 10, 2015
(Electronic) Receipt
Search/Exam
Jun 10, 2015
Letter accompanying subsequently filed items
Search/Exam
Jun 10, 2015
Feb 2, 2015
Annex to the communication
Search/Exam
Feb 2, 2015
Communication from the Examining Division
Search/Exam
Jan 16, 2014
Decision to allow further processing
Search/Exam
Dec 20, 2013
(Electronic) Receipt
Search/Exam
Dec 20, 2013
Amended claims with annotations
Search/Exam
Dec 20, 2013
Claims
Search/Exam
Dec 20, 2013
Letter accompanying subsequently filed items
Search/Exam
Dec 20, 2013
Request for further processing
Search/Exam
Oct 21, 2013
Jul 10, 2013
Jul 5, 2013
(Electronic) Receipt
Search/Exam
Jul 5, 2013
Letter accompanying subsequently filed items
Search/Exam
Jul 5, 2013
Mar 12, 2013
Annex to the communication
Search/Exam
Mar 12, 2013
Communication from the Examining Division
Search/Exam
May 2, 2012
Apr 28, 2012
Submission concerning representation
Search/Exam
Apr 26, 2012
Submission concerning representation
Search/Exam
Jan 31, 2012
(Electronic) Receipt
Search/Exam
Jan 31, 2012
Jan 31, 2012
Amended claims with annotations
Search/Exam
Jan 31, 2012
Amendments received before examination
Search/Exam
Jan 31, 2012
Letter accompanying subsequently filed items
Search/Exam
Jul 22, 2011
May 25, 2011
Mar 30, 2011
(Electronic) Receipt
Search/Exam
Mar 30, 2011
Mar 30, 2011
Amended claims with annotations
Search/Exam
Mar 30, 2011
Amendments received before examination
Search/Exam
Mar 30, 2011
Request for entry into the European phase
Search/Exam
Mar 10, 2011
Jan 10, 2011
Information on entry into European phase
Search/Exam
Dec 3, 2010
Dec 3, 2010
Dec 3, 2010
Dec 3, 2010
Dec 3, 2010
Dec 3, 2010
Dec 3, 2010
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Dec 3, 2010
Dec 3, 2010
Dec 3, 2010
Dec 3, 2010
Oct 13, 2010
Notification of election of EPO
Search/Exam
Oct 5, 2010
Sep 16, 2010
Sep 16, 2010
Sep 9, 2010
Sep 9, 2010
PCT demand form
PCT2
Aug 19, 2010
Copy of the international search report
Search/Exam
Aug 19, 2010
Jul 1, 2010
Jul 1, 2010
Jul 1, 2010
Mar 25, 2010
Mar 4, 2010
Published international application - A2
Search/Exam
Aug 28, 2009
Abstract
PCTISA
Aug 28, 2009
Claims
PCTISA
Aug 28, 2009
Description
PCTISA
Aug 28, 2009
Drawings
PCTISA