The weekly litigation news digest is live. Subscribe now
The patent EP2811761 was granted to Siemens Medical Instruments PTE on May 8, 2019. The application was filed on Mar 4, 2014 under application number EP14157657A. 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 |
|---|---|---|---|
| GN HEARING | Feb 10, 2020 | ZACCO DENMARK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP2278828 |
| OPPOSITION | US2004028251 |
| OPPOSITION | US2005162331 |
| OPPOSITION | US2005168396 |
| OPPOSITION | US2005244024 |
| OPPOSITION | US2006018495 |
| OPPOSITION | US2008212812 |
| OPPOSITION | US2008226108 |
| OPPOSITION | US2009274328 |
| OPPOSITION | US2009315553 |
| OPPOSITION | US2010195857 |
| OPPOSITION | US2011194717 |
| OPPOSITION | US2013064406 |
| OPPOSITION | US5640457 |
| SEARCH | US2005168396 |
| SEARCH | US2009274328 |
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
Oct 16, 2023
Advice of delivery
Appeal
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Sep 27, 2023
Sep 27, 2023
Sep 27, 2023
Aug 21, 2023
Aug 1, 2023
Aug 1, 2023
Aug 1, 2023
Jul 28, 2023
Advice of delivery
Appeal
Jul 27, 2023
(Electronic) Receipt
Appeal
Jul 27, 2023
Jul 27, 2023
Jul 25, 2023
Jul 25, 2023
Jul 24, 2023
Jul 21, 2023
Jul 19, 2023
(Electronic) Receipt
Appeal
Jul 19, 2023
Jul 19, 2023
Jul 17, 2023
(Electronic) Receipt
Appeal
Jul 17, 2023
Jul 17, 2023
Mar 22, 2023
Mar 17, 2023
(Electronic) Receipt
Appeal
Mar 17, 2023
Mar 17, 2023
Feb 10, 2023
Advice of delivery
Appeal
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 1, 2023
Jan 3, 2022
Dec 20, 2021
(Electronic) Receipt
Appeal
Dec 20, 2021
Dec 20, 2021
Dec 20, 2021
Dec 20, 2021
Dec 20, 2021
Dec 20, 2021
Dec 20, 2021
Dec 20, 2021
Reply to appeal
Appeal
Aug 18, 2021
Aug 13, 2021
(Electronic) Receipt
Appeal
Aug 13, 2021
Aug 13, 2021
Aug 13, 2021
Aug 13, 2021
Aug 13, 2021
Jun 22, 2021
Jun 22, 2021
Jun 16, 2021
(Electronic) Receipt
Appeal
Jun 16, 2021
Jun 16, 2021
Notice of appeal
Appeal
Apr 14, 2021
Apr 12, 2021
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Means of redress
OPPO
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Mar 23, 2021
Feb 24, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Jan 27, 2021
Jan 27, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 21, 2021
Jan 19, 2021
Jan 19, 2021
Sep 21, 2020
Sep 16, 2020
Sep 16, 2020
Sep 16, 2020
Aug 7, 2020
Aug 6, 2020
Jul 30, 2020
Jul 30, 2020
Jul 30, 2020
Jul 30, 2020
Jul 30, 2020
Jul 30, 2020
Jun 25, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Jun 22, 2020
Jun 22, 2020
Jun 22, 2020
Jun 22, 2020
Mar 5, 2020
Mar 5, 2020
Feb 25, 2020
Feb 25, 2020
Feb 25, 2020
Feb 13, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
May 20, 2019
Apr 11, 2019
Decision to grant a European patent
Search/Exam
Mar 11, 2019
(Electronic) Receipt
Search/Exam
Mar 11, 2019
English translation of the claims
Search/Exam
Mar 11, 2019
French translation of claims
Search/Exam
Mar 11, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 20, 2018
Nov 20, 2018
Nov 20, 2018
Intention to grant (signatures)
Search/Exam
Nov 20, 2018
Text intended for grant (clean copy)
Search/Exam
Nov 20, 2018
Nov 12, 2018
Jun 22, 2018
Amended claims with annotations
Search/Exam
Jun 22, 2018
Amended claims with annotations
Search/Exam
Jun 22, 2018
Amended description with annotations
Search/Exam
Jun 22, 2018
Amended description with annotations
Search/Exam
Jun 22, 2018
Claims
Search/Exam
Jun 22, 2018
Claims
Search/Exam
Jun 22, 2018
Description
Search/Exam
Jun 22, 2018
Description
Search/Exam
Jun 22, 2018
Jun 22, 2018
Feb 19, 2018
Annex to the communication
Search/Exam
Feb 19, 2018
Communication from the Examining Division
Search/Exam
Feb 12, 2018
Examination started
Search/Exam
Jan 18, 2018
Jan 16, 2018
Jan 15, 2018
Aug 29, 2017
Aug 14, 2017
(Electronic) Receipt
Search/Exam
Aug 14, 2017
Enquiry as to the processing of the file
Search/Exam
Aug 14, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 7, 2015
Sep 11, 2015
Jun 15, 2015
Jun 15, 2015
Amended claims with annotations
Search/Exam
Jun 15, 2015
Amendments received before examination
Search/Exam
Jun 10, 2015
Jun 10, 2015
Amended claims with annotations
Search/Exam
Jun 10, 2015
Amendments received before examination
Search/Exam
Jun 10, 2015
Payment of fees and costs
Search/Exam
Jun 10, 2015
Payment of fees and costs
Search/Exam
Apr 9, 2015
Apr 1, 2015
Mar 31, 2015
Mar 30, 2015
Dec 15, 2014
Nov 12, 2014
Notification of forthcoming publication
Search/Exam
May 2, 2014
May 2, 2014
European search opinion
Search/Exam
May 2, 2014
European search report
Search/Exam
Apr 28, 2014
Communication to designated inventor
Search/Exam
Apr 10, 2014
Search started
Search/Exam
Mar 12, 2014
Letter concerning the priority
Search/Exam
Mar 12, 2014
Priority document
Search/Exam
Mar 4, 2014
Abstract
Search/Exam
Mar 4, 2014
Mar 4, 2014
Claims
Search/Exam
Mar 4, 2014
Description
Search/Exam
Mar 4, 2014
Designation of inventor
Search/Exam
Mar 4, 2014
Drawings
Search/Exam
Mar 4, 2014
Priority search results
Search/Exam
Mar 4, 2014
Request for grant of a European patent
Search/Exam