The weekly litigation news digest is live. Subscribe now
The patent EP3452826 was granted to Smiths Medical on Feb 12, 2020. The application was filed on Mar 17, 2017 under application number EP17713755A. 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 |
|---|---|---|---|
| TRUDELL MEDICAL | Nov 12, 2020 | GRUNECKER PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US5571401 |
| DESCRIPTION | US5698089 |
| DESCRIPTION | US5788833 |
| DESCRIPTION | US5911872 |
| DESCRIPTION | US5951846 |
| DESCRIPTION | US5959191 |
| DESCRIPTION | US6010616 |
| DESCRIPTION | US6017440 |
| DESCRIPTION | US6093308 |
| DESCRIPTION | US6331244 |
| DESCRIPTION | US6537498 |
| DESCRIPTION | US6581598 |
| DESCRIPTION | US6627154 |
| DESCRIPTION | US6703241 |
| DESCRIPTION | US6716638 |
| DESCRIPTION | US6746960 |
| DESCRIPTION | US6776159 |
| DESCRIPTION | US7040139 |
| DESCRIPTION | US7059324 |
| DESCRIPTION | US7201035 |
| DESCRIPTION | US7699054 |
| DESCRIPTION | US7819803 |
| INTERNATIONAL-SEARCH-REPORT | US2007265509 |
| INTERNATIONAL-SEARCH-REPORT | US2014150792 |
| INTERNATIONAL-SEARCH-REPORT | WO2015008013 |
| OPPOSITION | US2006090753 |
| OPPOSITION | US2007265509 |
| OPPOSITION | US2010324439 |
| OPPOSITION | WO2015008013 |
| OPPOSITION | WO2015017416 |
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
May 24, 2023
May 24, 2023
May 19, 2023
Feb 10, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Means of redress
OPPO
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Dec 8, 2022
Oct 19, 2022
Oct 14, 2022
Oct 13, 2022
Oct 13, 2022
Oct 13, 2022
Oct 13, 2022
Oct 12, 2022
Oct 7, 2022
Oct 7, 2022
Oct 7, 2022
Oct 7, 2022
Oct 7, 2022
May 16, 2022
May 11, 2022
May 11, 2022
May 11, 2022
May 10, 2022
May 10, 2022
Apr 1, 2022
Mar 31, 2022
Mar 31, 2022
Mar 31, 2022
Mar 31, 2022
Mar 31, 2022
Mar 31, 2022
Mar 22, 2022
Mar 15, 2022
Mar 15, 2022
Mar 15, 2022
Apr 9, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Feb 19, 2021
Feb 15, 2021
Feb 15, 2021
General enquiry
OPPO
Feb 15, 2021
Jan 25, 2021
Jan 25, 2021
Jan 25, 2021
Jan 15, 2021
Jan 15, 2021
Jan 13, 2021
Dec 29, 2020
Dec 29, 2020
Dec 29, 2020
Nov 26, 2020
Nov 26, 2020
Nov 18, 2020
Nov 12, 2020
Nov 12, 2020
Nov 12, 2020
Nov 12, 2020
Nov 12, 2020
Nov 12, 2020
Nov 12, 2020
Nov 12, 2020
Nov 12, 2020
Nov 12, 2020
Feb 24, 2020
Jan 16, 2020
Decision to grant a European patent
Search/Exam
Dec 12, 2019
Filing of the translations of the claims
Search/Exam
Dec 12, 2019
French translation of claims
Search/Exam
Dec 12, 2019
German translation of the claims
Search/Exam
Nov 11, 2019
Filing of the translations of the claims
Search/Exam
Oct 9, 2019
Oct 9, 2019
Oct 9, 2019
Intention to grant (signatures)
Search/Exam
Oct 9, 2019
Text intended for grant (clean copy)
Search/Exam
Oct 9, 2019
Aug 30, 2019
Examination started
Search/Exam
May 24, 2019
May 24, 2019
Amended claims with annotations
Search/Exam
May 24, 2019
May 24, 2019
Amended description with annotations
Search/Exam
May 24, 2019
Amendments received before examination
Search/Exam
Feb 13, 2019
Dec 14, 2018
Dec 12, 2018
Communication to designated inventor
Search/Exam
Dec 12, 2018
Communication to designated inventor
Search/Exam
Dec 12, 2018
Communication to designated inventor
Search/Exam
Nov 28, 2018
Oct 19, 2018
Request for entry into the European phase
Search/Exam
Sep 21, 2018
Information on entry into European phase
Search/Exam
Dec 6, 2017
Nov 16, 2017
Copy of the international search report
Search/Exam
Nov 16, 2017
Published international application - A1
Search/Exam
Jun 8, 2017
ISR: cited documents
PCTISA
Jun 7, 2017
Jun 7, 2017
Jun 7, 2017
Apr 10, 2017
Mar 24, 2017
Abstract
PCTISA
Mar 24, 2017
Claims
PCTISA
Mar 24, 2017
Description
PCTISA
Mar 24, 2017
Drawings
PCTISA
Mar 24, 2017
Mar 24, 2017
Mar 24, 2017
Mar 24, 2017
Mar 24, 2017