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The patent EP3214313 was granted to Atlas Copco on Nov 5, 2025. The application was filed on Sep 2, 2014 under application number EP17165818A. 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 |
|---|---|---|---|
| KAESER KOMPRESSOREN | Dec 23, 2021 | MEISSNER BOLTE PARTNERSCHAFT MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2131040 |
| OPPOSITION | CN101644627 |
| OPPOSITION | DE102008064490 |
| OPPOSITION | DE1503640 |
| OPPOSITION | DE3541838 |
| OPPOSITION | EP1715238 |
| OPPOSITION | GB1407887 |
| OPPOSITION | US4693339 |
| OPPOSITION | US5530214 |
| OPPOSITION | US6478560 |
| SEARCH | CN101644627 |
| SEARCH | DE2945857 |
| SEARCH | EP1491769 |
| SEARCH | EP2131040 |
| SEARCH | GB1407887 |
| SEARCH | JP2006105064 |
| SEARCH | JPS59218380 |
| SEARCH | US2006140791 |
| SEARCH | WO2010067174 |
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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Description
OPPO
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Decision to grant a European patent
Search/Exam
Feb 12, 2021
(Electronic) Receipt
Search/Exam
Feb 12, 2021
French translation of claims
Search/Exam
Feb 12, 2021
German translation of the claims
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Feb 12, 2021
Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Jan 22, 2021
Oct 23, 2020
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Intention to grant (signatures)
Search/Exam
Oct 23, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 23, 2020
Sep 11, 2020
(Electronic) Receipt
Search/Exam
Sep 11, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 11, 2020
Jul 13, 2020
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(Electronic) Receipt
Search/Exam
Jul 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 7, 2020
Mar 12, 2020
Annex to the communication
Search/Exam
Mar 12, 2020
Communication from the Examining Division
Search/Exam
Feb 3, 2020
(Electronic) Receipt
Search/Exam
Feb 3, 2020
Amended claims with annotations
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Feb 3, 2020
Amended description with annotations
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Feb 3, 2020
Claims
Search/Exam
Feb 3, 2020
Description
Search/Exam
Feb 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 3, 2020
Oct 14, 2019
Annex to the communication
Search/Exam
Oct 14, 2019
Communication from the Examining Division
Search/Exam
Jun 28, 2019
(Electronic) Receipt
Search/Exam
Jun 28, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 28, 2019
May 17, 2019
Mar 18, 2019
Annex to the communication
Search/Exam
Mar 18, 2019
Communication from the Examining Division
Search/Exam
Mar 12, 2019
Examination started
Search/Exam
Aug 31, 2018
(Electronic) Receipt
Search/Exam
Aug 31, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2018
(Electronic) Receipt
Search/Exam
Mar 5, 2018
Mar 5, 2018
Amended claims with annotations
Search/Exam
Mar 5, 2018
Mar 5, 2018
Amended description with annotations
Search/Exam
Mar 5, 2018
Amendments received before examination
Search/Exam
Mar 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 11, 2017
Aug 17, 2017
Refund of fees
Search/Exam
Aug 9, 2017
Notification of forthcoming publication
Search/Exam
Aug 7, 2017
Aug 7, 2017
European search opinion
Search/Exam
Aug 7, 2017
European search report
Search/Exam
Aug 7, 2017
Information on Search Strategy
Search/Exam
Jul 26, 2017
Search started
Search/Exam
Jun 9, 2017
(Electronic) Receipt
Search/Exam
Jun 9, 2017
Authorisation
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Jun 9, 2017
Authorisation
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Jun 9, 2017
Designation of inventor
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Jun 9, 2017
Letter accompanying subsequently filed items
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Jun 2, 2017
Communication to designated inventor
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Jun 2, 2017
Communication to designated inventor
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Apr 28, 2017
Priority search results copy provided by EPO
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Apr 10, 2017
Abstract
Search/Exam
Apr 10, 2017
Apr 10, 2017
Annex
Search/Exam
Apr 10, 2017
Claims
Search/Exam
Apr 10, 2017
Description
Search/Exam
Apr 10, 2017
Designation of inventor
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Apr 10, 2017
Drawings
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Apr 10, 2017
Priority search results
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Apr 10, 2017
Request for grant of a European patent
Search/Exam
Mar 31, 2015