The weekly litigation news digest is live. Subscribe now
The patent EP2722528 was granted to Edwards Japan on May 30, 2018. The application was filed on May 31, 2012 under application number EP12800506A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| PFEIFFER VACUUM | Feb 22, 2019 | KNEFEL | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2004278512 |
| DESCRIPTION | JP3098139B |
| INTERNATIONAL-SEARCH-REPORT | JP2007071139 |
| INTERNATIONAL-SEARCH-REPORT | JP3098139B |
| INTERNATIONAL-SEARCH-REPORT | JPH0356896U |
| INTERNATIONAL-SEARCH-REPORT | JPS63175317U |
| OPPOSITION | DE102008056352 |
| OPPOSITION | DE19955517 |
| OPPOSITION | EP1101945 |
| OPPOSITION | EP1318308 |
| OPPOSITION | EP2589814 |
| OPPOSITION | JP2005180265 |
| OPPOSITION | JP2006291794 |
| OPPOSITION | JP2007071139 |
| OPPOSITION | JP2011133869 |
| OPPOSITION | JP3098139B |
| OPPOSITION | JPH07271241 |
| OPPOSITION | JPH074383 |
| OPPOSITION | JPH08219086 |
| OPPOSITION | JPS62152520 |
| OPPOSITION | WO2005121561 |
| SEARCH | DE102008056352 |
| SEARCH | EP1101945 |
| SEARCH | EP1318308 |
| SEARCH | EP2108844 |
| SEARCH | JP2005180265 |
| SEARCH | JP2006291794 |
| SEARCH | JP2007071139 |
| SEARCH | JPH08219086 |
| SEARCH | JPS62152520 |
| SEARCH | WO2005121561 |
| SEARCH | WO2012002084 |
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
Mar 9, 2022
Mar 4, 2022
Nov 22, 2021
Nov 22, 2021
Nov 22, 2021
Nov 18, 2021
Nov 18, 2021
Nov 18, 2021
Nov 18, 2021
Nov 18, 2021
Nov 18, 2021
Nov 15, 2021
Nov 12, 2021
Nov 12, 2021
Nov 12, 2021
Nov 8, 2021
Nov 8, 2021
Nov 4, 2021
Nov 4, 2021
Nov 4, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Sep 28, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 16, 2021
Sep 16, 2021
Sep 16, 2021
Sep 16, 2021
Sep 16, 2021
Sep 10, 2021
Sep 10, 2021
Sep 10, 2021
Sep 10, 2021
Sep 10, 2021
Sep 10, 2021
Sep 10, 2021
Aug 23, 2021
Aug 17, 2021
Aug 17, 2021
Aug 17, 2021
Apr 15, 2021
Mar 26, 2021
Mar 24, 2021
Mar 24, 2021
Mar 23, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 15, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Feb 24, 2020
Oct 10, 2019
Oct 9, 2019
Oct 4, 2019
Oct 4, 2019
Oct 4, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Aug 5, 2019
Aug 5, 2019
Jul 29, 2019
Mar 22, 2019
Mar 22, 2019
Mar 14, 2019
Mar 4, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Jun 11, 2018
Jun 6, 2018
Refund of fees
Search/Exam
May 4, 2018
Decision to grant a European patent
Search/Exam
Apr 18, 2018
(Electronic) Receipt
Search/Exam
Apr 18, 2018
Filing of the translations of the claims
Search/Exam
Apr 18, 2018
French translation of claims
Search/Exam
Apr 18, 2018
German translation of the claims
Search/Exam
Apr 18, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 30, 2018
Jan 30, 2018
Jan 30, 2018
Jan 30, 2018
Intention to grant (signatures)
Search/Exam
Jan 30, 2018
Text intended for grant (clean copy)
Search/Exam
Jan 30, 2018
Dec 12, 2017
(Electronic) Receipt
Search/Exam
Dec 12, 2017
Amended claims with annotations
Search/Exam
Dec 12, 2017
Amended description with annotations
Search/Exam
Dec 12, 2017
Claims
Search/Exam
Dec 12, 2017
Description
Search/Exam
Dec 12, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 12, 2017
Nov 21, 2016
Nov 15, 2016
Sep 28, 2016
(Electronic) Receipt
Search/Exam
Sep 28, 2016
Amended claims with annotations
Search/Exam
Sep 28, 2016
Claims
Search/Exam
Sep 28, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 28, 2016
Jul 19, 2016
Jul 13, 2016
(Electronic) Receipt
Search/Exam
Jul 13, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 13, 2016
Mar 23, 2016
Annex to the communication
Search/Exam
Mar 23, 2016
Communication from the Examining Division
Search/Exam
Mar 16, 2016
Examination started
Search/Exam
May 28, 2015
May 28, 2015
Amended claims with annotations
Search/Exam
May 28, 2015
May 28, 2015
Amended description with annotations
Search/Exam
May 28, 2015
Amendments received before examination
Search/Exam
May 28, 2015
Matter concerning the application
Search/Exam
Nov 18, 2014
Oct 31, 2014
Oct 31, 2014
European search opinion
Search/Exam
Oct 31, 2014
Supplementary European search report
Search/Exam
Oct 15, 2014
Search started
Search/Exam
Mar 26, 2014
Notification of forthcoming publication
Search/Exam
Jan 23, 2014
Jan 21, 2014
Communication to designated inventor
Search/Exam
Jan 21, 2014
Communication to designated inventor
Search/Exam
Jan 14, 2014
Jan 14, 2014
Nov 22, 2013
(Electronic) Receipt
Search/Exam
Nov 22, 2013
Abstract
Search/Exam
Nov 22, 2013
Claims
Search/Exam
Nov 22, 2013
Description
Search/Exam
Nov 22, 2013
Drawings
Search/Exam
Nov 22, 2013
Request for entry into the European phase
Search/Exam
Oct 25, 2013
Information on entry into European phase
Search/Exam
Jan 7, 2013
Dec 20, 2012
Copy of the international search report
Search/Exam
Dec 20, 2012
Dec 20, 2012
International publication pamphlet
Search/Exam