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The patent EP2739913 was granted to Lunos Lftungstechnik FR Raumluftsysteme on Oct 16, 2024. The application was filed on Jul 9, 2012 under application number EP12734929A. 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 |
|---|---|---|---|
| MARLEY DEUTSCHLAND | Sep 26, 2019 | GLAWE | ADMISSIBLE |
| HELIOS VENTILATOREN | Sep 25, 2019 | WESTPHAL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | FR2583000 |
| EXAMINATION | JP2010196945 |
| EXAMINATION | US3941185 |
| EXAMINATION | WO2010085197 |
| INTERNATIONAL-SEARCH-REPORT | DE19730019 |
| INTERNATIONAL-SEARCH-REPORT | DE3613942 |
| INTERNATIONAL-SEARCH-REPORT | DE6937165U |
| INTERNATIONAL-SEARCH-REPORT | DE9301812U |
| INTERNATIONAL-SEARCH-REPORT | US3941185 |
| OPPOSITION | DE19730019 |
| OPPOSITION | DE202010015615U |
| OPPOSITION | FR2509022 |
| OPPOSITION | FR2583000 |
| OPPOSITION | JP2010196945 |
| OPPOSITION | US3941185 |
| OPPOSITION | US5375649 |
| OPPOSITION | US5396783 |
| OPPOSITION | US7238105 |
| OPPOSITION | WO2010085197 |
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.
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Description
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Appeal
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Appeal
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Appeal
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Appeal
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Advice of delivery
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Nov 26, 2021
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(Electronic) Receipt
Appeal
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Sep 16, 2021
(Electronic) Receipt
Appeal
Sep 16, 2021
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Notice of appeal
Appeal
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Jan 9, 2019
Nov 29, 2018
Decision to grant a European patent
Search/Exam
Nov 9, 2018
(Electronic) Receipt
Search/Exam
Nov 9, 2018
English translation of the claims
Search/Exam
Nov 9, 2018
Filing of the translations of the claims
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Nov 9, 2018
French translation of claims
Search/Exam
Nov 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 23, 2018
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Intention to grant (signatures)
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Oct 23, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 23, 2018
Oct 17, 2018
Oct 2, 2018
(Electronic) Receipt
Search/Exam
Oct 2, 2018
Enquiry as to the processing of the file
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Oct 2, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 9, 2018
(Electronic) Receipt
Search/Exam
Mar 9, 2018
Amended claims with annotations
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Mar 9, 2018
Amended description with annotations
Search/Exam
Mar 9, 2018
Claims
Search/Exam
Mar 9, 2018
Description
Search/Exam
Mar 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 9, 2018
Nov 3, 2017
Annex to the communication
Search/Exam
Nov 3, 2017
Communication from the Examining Division
Search/Exam
Aug 16, 2017
(Electronic) Receipt
Search/Exam
Aug 16, 2017
Amended claims with annotations
Search/Exam
Aug 16, 2017
Claims
Search/Exam
Aug 16, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 16, 2017
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Apr 21, 2017
Annex to the communication
Search/Exam
Apr 21, 2017
Communication from the Examining Division
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Mar 22, 2017
Examination started
Search/Exam
Jul 18, 2016
Jul 13, 2016
Dec 19, 2014
(Electronic) Receipt
Search/Exam
Dec 19, 2014
Letter accompanying subsequently filed items
Search/Exam
Dec 19, 2014
Nov 7, 2014
(Electronic) Receipt
Search/Exam
Nov 7, 2014
Letter accompanying subsequently filed items
Search/Exam
Nov 7, 2014
Priority search results
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Nov 7, 2014
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Communication to designated inventor
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Feb 18, 2014
Feb 11, 2014
(Electronic) Receipt
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Feb 11, 2014
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Amended claims with annotations
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Feb 11, 2014
Request for entry into the European phase
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Jan 20, 2014
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Notification of the recording of a change
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Dec 11, 2013
Information on entry into European phase
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Feb 26, 2013
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Copy of the international search report
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Feb 7, 2013
Copy of the international search report
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Feb 7, 2013
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Published international application - A1
Search/Exam
Sep 20, 2012
Sep 20, 2012
Sep 20, 2012
Jul 9, 2012
(Electronic) Receipt
PCTRO
Jul 9, 2012
Abstract
PCTRO
Jul 9, 2012
Claims
PCTRO
Jul 9, 2012
Description
PCTRO
Jul 9, 2012
Drawings
PCTRO