The weekly litigation news digest is live. Subscribe now
The patent EP2621341 was granted to Schleifring on Apr 26, 2017. The application was filed on Jul 21, 2011 under application number EP11749363A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| SIEMENS HEALTHCARE | Jan 25, 2018 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US7717619 |
| EXAMINATION | US2008049904 |
| INTERNATIONAL-SEARCH-REPORT | DE8429531U |
| INTERNATIONAL-SEARCH-REPORT | US5577026 |
| INTERNATIONAL-SEARCH-REPORT | US5814900 |
| INTERNATIONAL-SEARCH-REPORT | WO2009033573 |
| OPPOSITION | DE102004035603 |
| OPPOSITION | DE102004051170 |
| OPPOSITION | DE102009003346 |
| OPPOSITION | DE8429531U |
| OPPOSITION | US2006126309 |
| OPPOSITION | US2007035883 |
| OPPOSITION | US2010148505 |
| OPPOSITION | US4916718 |
| OPPOSITION | US5577026 |
| OPPOSITION | US5814900 |
| OPPOSITION | WO0188931 |
| OPPOSITION | WO2009033573 |
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
Jan 9, 2023
Jan 3, 2023
Advice of delivery
Appeal
Jan 3, 2023
Advice of delivery
Appeal
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Oct 6, 2022
Oct 6, 2022
Oct 6, 2022
Aug 8, 2022
Advice of delivery
Appeal
Aug 5, 2022
(Electronic) Receipt
Appeal
Aug 5, 2022
Aug 1, 2022
Advice of delivery
Appeal
Jul 28, 2022
Jul 28, 2022
Jul 25, 2022
Jul 18, 2022
(Electronic) Receipt
Appeal
Jul 18, 2022
Jul 18, 2022
Jul 18, 2022
Jul 18, 2022
Jul 5, 2022
Jul 5, 2022
Jul 1, 2022
Jun 28, 2022
(Electronic) Receipt
Appeal
Jun 28, 2022
General enquiry
Appeal
Jun 28, 2022
Mar 15, 2022
Mar 15, 2022
Mar 15, 2022
Mar 9, 2022
(Electronic) Receipt
Appeal
Mar 9, 2022
Mar 9, 2022
Mar 9, 2022
Feb 15, 2022
Feb 11, 2022
Feb 8, 2022
Feb 8, 2022
Feb 3, 2022
Jan 26, 2022
Dec 15, 2020
(Electronic) Receipt
Appeal
Dec 15, 2020
General enquiry
Appeal
Dec 15, 2020
Nov 13, 2020
Reply to a complaint
Appeal
Dec 6, 2019
Dec 2, 2019
(Electronic) Receipt
Appeal
Dec 2, 2019
Dec 2, 2019
Reply to appeal
Appeal
Jul 26, 2019
Jul 23, 2019
(Electronic) Receipt
Appeal
Jul 23, 2019
Jul 23, 2019
Jul 23, 2019
May 27, 2019
May 20, 2019
(Electronic) Receipt
Appeal
May 20, 2019
May 20, 2019
Notice of appeal
Appeal
May 20, 2019
Processing of an appeal
Appeal
Apr 17, 2019
Apr 11, 2019
Apr 10, 2019
Apr 9, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Means of redress
OPPO
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Mar 13, 2019
Mar 12, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 1, 2019
Jan 17, 2019
Jan 11, 2019
Jan 11, 2019
Jan 8, 2019
Jan 2, 2019
Jan 2, 2019
Jan 2, 2019
Jan 2, 2019
Claims
OPPO
Jan 2, 2019
Claims
OPPO
Jan 2, 2019
Jan 2, 2019
Dec 12, 2018
Dec 10, 2018
Dec 6, 2018
Dec 6, 2018
Dec 6, 2018
Dec 5, 2018
Dec 5, 2018
Claims
OPPO
Dec 5, 2018
Dec 3, 2018
Dec 3, 2018
Claims
OPPO
Dec 3, 2018
Dec 3, 2018
Sep 25, 2018
Sep 25, 2018
Sep 19, 2018
Sep 13, 2018
Sep 13, 2018
Sep 13, 2018
Sep 11, 2018
Sep 10, 2018
Sep 7, 2018
Sep 4, 2018
Aug 16, 2018
Aug 8, 2018
Aug 8, 2018
Aug 6, 2018
Aug 6, 2018
Aug 3, 2018
Jul 31, 2018
Jul 31, 2018
Jul 31, 2018
Jul 31, 2018
Jul 31, 2018
Jul 31, 2018
Jul 31, 2018
Jun 15, 2018
Jun 12, 2018
Jun 12, 2018
Claims
OPPO
Jun 12, 2018
Jun 12, 2018
Jun 4, 2018
Jun 1, 2018
Jun 1, 2018
Jun 1, 2018
Jun 1, 2018
May 29, 2018
May 29, 2018
Feb 7, 2018
Feb 7, 2018
Feb 1, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Apr 26, 2017
Mar 30, 2017
Decision to grant a European patent
Search/Exam
Mar 27, 2017
Mar 3, 2017
(Electronic) Receipt
Search/Exam
Mar 3, 2017
Filing of the translations of the claims
Search/Exam
Mar 3, 2017
French translation of claims
Search/Exam
Mar 3, 2017
German translation of the claims
Search/Exam
Mar 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 25, 2016
Oct 25, 2016
Oct 25, 2016
Oct 25, 2016
Intention to grant (signatures)
Search/Exam
Oct 25, 2016
Text intended for grant (clean copy)
Search/Exam
Oct 25, 2016
Jun 4, 2016
Amended claims with annotations
Search/Exam
Jun 4, 2016
Claims
Search/Exam
Jun 4, 2016
Jun 3, 2016
Amended claims with annotations
Search/Exam
Jun 3, 2016
Claims
Search/Exam
Jun 3, 2016
Jun 2, 2016
Apr 19, 2016
Apr 14, 2016
Dec 10, 2015
Annex to the communication
Search/Exam
Dec 10, 2015
Communication from the Examining Division
Search/Exam
Jul 30, 2015
Payment of fees and costs
Search/Exam
Jul 28, 2015
Payment of fees and costs
Search/Exam
Oct 18, 2014
Oct 10, 2014
Jul 30, 2014
Payment of fees and costs
Search/Exam
Jul 29, 2014
Payment of fees and costs
Search/Exam
Jun 11, 2014
Annex to the communication
Search/Exam
Jun 11, 2014
Communication from the Examining Division
Search/Exam
Jun 3, 2014
Examination started
Search/Exam
Feb 1, 2014
Feb 1, 2014
Jan 14, 2014
Jul 10, 2013
Jun 15, 2013
Reply to Written Opinion prepared by the EPO
Search/Exam
Jun 12, 2013
Reply to Written Opinion prepared by the EPO
Search/Exam
May 28, 2013
May 8, 2013
Communication to designated inventor
Search/Exam
Apr 15, 2013
Mar 26, 2013
(Electronic) Receipt
Search/Exam
Mar 26, 2013
Request for entry into the European phase
Search/Exam
Feb 8, 2013
Information on entry into European phase
Search/Exam
Apr 25, 2012
Apr 5, 2012
Copy of the international search report
Search/Exam
Apr 5, 2012
Published international application - A1
Search/Exam
Nov 2, 2011
Nov 2, 2011
Nov 2, 2011
Jul 21, 2011
(Electronic) Receipt
PCTRO
Jul 21, 2011
Abstract
PCTRO
Jul 21, 2011
Claims
PCTRO
Jul 21, 2011
Description
PCTRO
Jul 21, 2011
Drawings
PCTRO