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The patent EP3092411 was granted to Atlas Copco on May 22, 2019. The application was filed on Jan 8, 2015 under application number EP15710412A. 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 |
|---|---|---|---|
| KAESER KOMPRESSOREN | Feb 21, 2020 | ZECH | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP1937977 |
| EXAMINATION | JPH08319976 |
| EXAMINATION | JPH11201039 |
| EXAMINATION | US4358247 |
| INTERNATIONAL-SEARCH-REPORT | DE102005010690 |
| INTERNATIONAL-SEARCH-REPORT | DE4313573 |
| INTERNATIONAL-SEARCH-REPORT | EP1475586 |
| INTERNATIONAL-SEARCH-REPORT | US6202424 |
| OPPOSITION | DE4313573 |
| OPPOSITION | ITMI20060182 |
| OPPOSITION | JPH08219024 |
| OPPOSITION | JPH08319976 |
| OPPOSITION | JPH09222087 |
| OPPOSITION | JPS5888489 |
| OPPOSITION | US4358247 |
| OPPOSITION | US5318151 |
| OPPOSITION | US5820352 |
| OPPOSITION | WO03019010 |
| OTHER | US4358247 |
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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OPPO
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Authorisation
OPPO
May 19, 2020
Mar 6, 2020
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Jun 3, 2019
Apr 26, 2019
Decision to grant a European patent
Search/Exam
Apr 10, 2019
(Electronic) Receipt
Search/Exam
Apr 10, 2019
Filing of the translations of the claims
Search/Exam
Apr 10, 2019
French translation of claims
Search/Exam
Apr 10, 2019
German translation of the claims
Search/Exam
Apr 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 9, 2019
Dec 20, 2018
Dec 12, 2018
Dec 12, 2018
Dec 12, 2018
Intention to grant (signatures)
Search/Exam
Dec 12, 2018
Text intended for grant (clean copy)
Search/Exam
Dec 12, 2018
Aug 23, 2018
Amended claims with annotations
Search/Exam
Aug 23, 2018
Amended description with annotations
Search/Exam
Aug 23, 2018
Claims
Search/Exam
Aug 23, 2018
Description
Search/Exam
Aug 23, 2018
May 2, 2018
Annex to the communication
Search/Exam
May 2, 2018
Communication from the Examining Division
Search/Exam
Dec 14, 2017
Dec 8, 2017
Citation filed by a third party
Search/Exam
Dec 8, 2017
Non-patent literature filed by a third party
Search/Exam
Dec 8, 2017
Non-patent literature filed by a third party
Search/Exam
Dec 8, 2017
Observations by third parties
Search/Exam
Dec 8, 2017
Patent document filed by a Third party
Search/Exam
Dec 8, 2017
Patent document filed by a Third party
Search/Exam
Nov 13, 2017
(Electronic) Receipt
Search/Exam
Nov 13, 2017
Claims
Search/Exam
Nov 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 13, 2017
Jul 18, 2017
Annex to the communication
Search/Exam
Jul 18, 2017
Communication from the Examining Division
Search/Exam
Jul 12, 2017
Jun 29, 2017
Annex to the communication
Search/Exam
Jun 29, 2017
Communication from the Examining Division
Search/Exam
Jun 20, 2017
Examination started
Search/Exam
Apr 12, 2017
(Electronic) Receipt
Search/Exam
Apr 12, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 12, 2017
Observations by third parties
Search/Exam
Mar 30, 2017
(Electronic) Receipt
Search/Exam
Mar 30, 2017
Mar 30, 2017
Amended claims with annotations
Search/Exam
Mar 30, 2017
Mar 30, 2017
Amended description with annotations
Search/Exam
Mar 30, 2017
Amendments received before examination
Search/Exam
Mar 30, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 6, 2017
Feb 6, 2017
Jan 30, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 30, 2017
Observations by third parties
Search/Exam
Oct 19, 2016
Oct 18, 2016
Oct 11, 2016
Priority search results copy provided by EPO
Search/Exam
Sep 2, 2016
Communication to designated inventor
Search/Exam
Sep 2, 2016
Communication to designated inventor
Search/Exam
Sep 2, 2016
Communication to designated inventor
Search/Exam
Aug 30, 2016
Aug 30, 2016
Notification of the recording of a change
Search/Exam
Jul 29, 2016
Authorisation
Search/Exam
Jul 29, 2016
Designation of inventor
Search/Exam
Jul 29, 2016
Designation of inventor
Search/Exam
Jul 29, 2016
Designation of inventor
Search/Exam
Jul 29, 2016
Designation of inventor
Search/Exam
Jul 29, 2016
Matter concerning the application
Search/Exam
Jul 26, 2016
Jul 5, 2016
(Electronic) Receipt
Search/Exam
Jul 5, 2016
Request for entry into the European phase
Search/Exam
May 20, 2016
Information on entry into European phase
Search/Exam
Aug 3, 2015
Aug 3, 2015
Jul 16, 2015
Copy of the international search report
Search/Exam
Jul 16, 2015
Published international application - A1
Search/Exam
Jun 25, 2015
Jun 25, 2015
Jun 25, 2015
Jun 22, 2015
May 19, 2015
Mar 11, 2015
Abstract
PCTISA
Mar 11, 2015
Claims
PCTISA
Mar 11, 2015
Description
PCTISA
Mar 11, 2015
Drawings
PCTISA