The weekly litigation news digest is live. Subscribe now
The patent EP3277958 was granted to Gardner Denver Deutschland on Dec 27, 2023. The application was filed on Mar 30, 2016 under application number EP16717570A. 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| KAESER KOMPRESSOREN | Nov 26, 2020 | MEISSNER BOLTE PARTNERSCHAFT MBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10117790 |
| DESCRIPTION | US2015030491 |
| INTERNATIONAL-SEARCH-REPORT | JP2012047185 |
| INTERNATIONAL-SEARCH-REPORT | JP2015038354 |
| INTERNATIONAL-SEARCH-REPORT | US2002106288 |
| INTERNATIONAL-SEARCH-REPORT | US2010135840 |
| INTERNATIONAL-SEARCH-REPORT | US2012090340 |
| OPPOSITION | CN104214102 |
| OPPOSITION | CN201255116Y |
| OPPOSITION | CN201802627U |
| OPPOSITION | DE102007019126 |
| OPPOSITION | DE7702837U |
| OPPOSITION | EP1249603 |
| OPPOSITION | JP2012047185 |
| OPPOSITION | JPH08200271 |
| OPPOSITION | JPH10184571 |
| OPPOSITION | US2009016921 |
| OPPOSITION | US2009324430 |
| OPPOSITION | US2012090340 |
| OPPOSITION | US2015030491 |
| OPPOSITION | US6077052 |
| OPPOSITION | US8622716 |
| OPPOSITION | WO2004044428 |
| OPPOSITION | WO2012109302 |
| OPPOSITION | WO2014183204 |
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
Get instant alerts for new documents
Nov 30, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Aug 29, 2023
Aug 29, 2023
Aug 18, 2023
Apr 13, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Means of redress
OPPO
Apr 6, 2023
Apr 6, 2023
Oct 25, 2022
Oct 24, 2022
Oct 18, 2022
Oct 18, 2022
Oct 18, 2022
Oct 18, 2022
Oct 18, 2022
Oct 14, 2022
Oct 14, 2022
Oct 11, 2022
Oct 11, 2022
Oct 11, 2022
Description
OPPO
Oct 11, 2022
Oct 11, 2022
Oct 11, 2022
Oct 11, 2022
Aug 16, 2022
Aug 16, 2022
Aug 16, 2022
Aug 16, 2022
Aug 16, 2022
Aug 16, 2022
Aug 16, 2022
Aug 16, 2022
Aug 16, 2022
Aug 16, 2022
Aug 16, 2022
Aug 16, 2022
Aug 16, 2022
Aug 16, 2022
Aug 16, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 4, 2022
Aug 3, 2022
Aug 3, 2022
Jul 27, 2022
Jul 27, 2022
Jul 27, 2022
Jul 22, 2022
Jul 22, 2022
Jun 2, 2022
Jun 2, 2022
Jan 21, 2022
Jan 13, 2022
Jan 10, 2022
Jan 10, 2022
Jan 10, 2022
Jan 10, 2022
Jan 10, 2022
Sep 7, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 1, 2021
Sep 1, 2021
Sep 1, 2021
Sep 1, 2021
Sep 1, 2021
Sep 1, 2021
Sep 1, 2021
Sep 1, 2021
Sep 1, 2021
Sep 1, 2021
Sep 1, 2021
Sep 1, 2021
Sep 1, 2021
Sep 1, 2021
Sep 1, 2021
Sep 1, 2021
Sep 1, 2021
Sep 1, 2021
Apr 23, 2021
Apr 19, 2021
Apr 19, 2021
Apr 19, 2021
Apr 19, 2021
Apr 19, 2021
Apr 19, 2021
Apr 19, 2021
Apr 19, 2021
Apr 19, 2021
Apr 19, 2021
Apr 19, 2021
Apr 19, 2021
Dec 23, 2020
Dec 22, 2020
Dec 22, 2020
Dec 21, 2020
Dec 17, 2020
Dec 16, 2020
Dec 16, 2020
Dec 16, 2020
Dec 13, 2020
Dec 13, 2020
Dec 13, 2020
Dec 10, 2020
Dec 7, 2020
Dec 4, 2020
Dec 2, 2020
Dec 2, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Nov 26, 2020
Mar 9, 2020
Jan 30, 2020
Decision to grant a European patent
Search/Exam
Dec 13, 2019
(Electronic) Receipt
Search/Exam
Dec 13, 2019
English translation of the claims
Search/Exam
Dec 13, 2019
French translation of claims
Search/Exam
Dec 13, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 16, 2019
Sep 16, 2019
Sep 16, 2019
Intention to grant (signatures)
Search/Exam
Sep 16, 2019
Text intended for grant (clean copy)
Search/Exam
Sep 16, 2019
Aug 27, 2019
Examination started
Search/Exam
Apr 5, 2018
(Electronic) Receipt
Search/Exam
Apr 5, 2018
Apr 5, 2018
Amended description with annotations
Search/Exam
Apr 5, 2018
Amendments received before examination
Search/Exam
Apr 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 10, 2018
Nov 23, 2017
Submission concerning representation
Search/Exam
Nov 8, 2017
Nov 6, 2017
Communication to designated inventor
Search/Exam
Nov 6, 2017
Communication to designated inventor
Search/Exam
Nov 6, 2017
Communication to designated inventor
Search/Exam
Oct 25, 2017
(Electronic) Receipt
Search/Exam
Oct 25, 2017
Priority search results
Search/Exam
Oct 25, 2017
Request for entry into the European phase
Search/Exam
Oct 17, 2017
Aug 11, 2017
Information on entry into European phase
Search/Exam
Oct 27, 2016
Oct 6, 2016
Copy of the international search report
Search/Exam
Oct 6, 2016
Copy of the international search report
Search/Exam
Oct 6, 2016
Published international application - A1
Search/Exam
Jul 5, 2016
ISR: cited documents
PCTISA
Jul 5, 2016
Jul 4, 2016
Jul 4, 2016
Jul 4, 2016
May 13, 2016
May 13, 2016
May 6, 2016
Apr 29, 2016
Apr 16, 2016
Apr 16, 2016
RO101 Declaration
PCTRO
Apr 13, 2016
Mar 30, 2016
(Electronic) Receipt
PCTRO
Mar 30, 2016
Abstract
PCTRO
Mar 30, 2016
Claims
PCTRO
Mar 30, 2016
Description
PCTRO
Mar 30, 2016
Mar 30, 2016
Drawings
PCTRO
Mar 30, 2016