The weekly litigation news digest is live. Subscribe now
The patent EP2737379 was granted to Agilent on Dec 19, 2018. The application was filed on Jul 27, 2011 under application number EP11738215A. 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 |
|---|---|---|---|
| DIONEX SOFTRON | Sep 19, 2019 | STELLBRINK & PARTNER | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102006058026 |
| DESCRIPTION | EP0309596 |
| DESCRIPTION | EP1174179 |
| DESCRIPTION | EP1577012 |
| DESCRIPTION | US2004042340 |
| DESCRIPTION | US2005224403 |
| DESCRIPTION | US4155683 |
| DESCRIPTION | US4475821 |
| DESCRIPTION | US4496245 |
| DESCRIPTION | US4982597 |
| DESCRIPTION | US6116869 |
| DESCRIPTION | WO2010030720 |
| INTERNATIONAL-SEARCH-REPORT | EP0309596 |
| INTERNATIONAL-SEARCH-REPORT | EP1174179 |
| OPPOSITION | EP0309596 |
| OPPOSITION | EP1174179 |
| OPPOSITION | EP2737379 |
| OPPOSITION | US4427298 |
| OPPOSITION | US4496245 |
| OPPOSITION | US6116869 |
| OPPOSITION | WO2013013717 |
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
Jul 15, 2025
Jul 15, 2025
Jul 15, 2025
Jul 15, 2025
Apr 15, 2025
Apr 15, 2025
Apr 7, 2025
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Means of redress
OPPO
Nov 7, 2024
Oct 28, 2024
Oct 28, 2024
Oct 28, 2024
Description
OPPO
Oct 28, 2024
Oct 28, 2024
Sep 11, 2024
Sep 11, 2024
Sep 11, 2024
Jul 1, 2024
Jul 1, 2024
Jul 1, 2024
Description
OPPO
Jul 1, 2024
Jul 1, 2024
Mar 26, 2024
Mar 26, 2024
Mar 26, 2024
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Nov 7, 2023
Advice of delivery
Appeal
Oct 30, 2023
Oct 30, 2023
Oct 10, 2023
Oct 10, 2023
Aug 29, 2023
(Electronic) Receipt
Appeal
Aug 29, 2023
Aug 29, 2023
Aug 9, 2023
Aug 4, 2023
Jul 19, 2023
Jun 30, 2022
Jun 30, 2022
Jun 16, 2022
(Electronic) Receipt
Appeal
Jun 16, 2022
Jun 16, 2022
Jun 8, 2022
Advice of delivery
Appeal
Jun 2, 2022
Jun 2, 2022
Jun 2, 2022
Jun 2, 2022
May 30, 2022
May 2, 2022
Jun 2, 2021
(Electronic) Receipt
Appeal
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Apr 19, 2021
Mar 29, 2021
(Electronic) Receipt
Appeal
Mar 29, 2021
Mar 29, 2021
Notice of appeal
Appeal
Feb 9, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Means of redress
OPPO
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Jan 29, 2021
Jan 29, 2021
Jan 18, 2021
Jan 14, 2021
Jan 13, 2021
Jan 12, 2021
Jan 12, 2021
Jan 7, 2021
Jan 7, 2021
Jan 7, 2021
Jan 7, 2021
Dec 24, 2020
Dec 24, 2020
Dec 24, 2020
Dec 24, 2020
Dec 24, 2020
Dec 24, 2020
Dec 24, 2020
Dec 24, 2020
Dec 24, 2020
Dec 24, 2020
Dec 24, 2020
Dec 21, 2020
Dec 21, 2020
Dec 21, 2020
Dec 21, 2020
Dec 4, 2020
Dec 4, 2020
Nov 19, 2020
Nov 18, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Oct 21, 2020
Oct 21, 2020
May 12, 2020
May 6, 2020
Apr 30, 2020
Apr 30, 2020
Apr 30, 2020
Mar 6, 2020
Mar 3, 2020
Mar 3, 2020
Mar 3, 2020
Feb 10, 2020
Feb 4, 2020
Feb 4, 2020
Feb 4, 2020
Oct 7, 2019
Oct 7, 2019
Sep 25, 2019
Sep 19, 2019
Sep 19, 2019
Sep 19, 2019
Sep 19, 2019
Sep 19, 2019
Sep 19, 2019
Sep 19, 2019
Sep 19, 2019
Sep 19, 2019
Sep 19, 2019
Sep 19, 2019
Sep 19, 2019
Sep 19, 2019
Sep 19, 2019
Sep 19, 2019
Sep 19, 2019
Sep 19, 2019
Sep 19, 2019
Jan 3, 2019
Nov 22, 2018
Decision to grant a European patent
Search/Exam
Nov 7, 2018
(Electronic) Receipt
Search/Exam
Nov 7, 2018
French translation of claims
Search/Exam
Nov 7, 2018
German translation of the claims
Search/Exam
Nov 7, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 13, 2018
Jul 13, 2018
Jul 13, 2018
Intention to grant (signatures)
Search/Exam
Jul 13, 2018
Text intended for grant (clean copy)
Search/Exam
Jul 13, 2018
Feb 21, 2018
Amended claims with annotations
Search/Exam
Feb 21, 2018
Claims
Search/Exam
Feb 21, 2018
Oct 24, 2017
Annex to the communication
Search/Exam
Oct 24, 2017
Communication from the Examining Division
Search/Exam
Oct 17, 2017
Examination started
Search/Exam
Sep 3, 2014
Sep 3, 2014
Amended claims with annotations
Search/Exam
Sep 3, 2014
Amendments received before examination
Search/Exam
Jun 10, 2014
Jun 10, 2014
May 26, 2014
General authorisation
Search/Exam
May 26, 2014
May 8, 2014
Apr 30, 2014
Mar 12, 2014
Mar 6, 2014
Mar 4, 2014
Communication to designated inventor
Search/Exam
Mar 4, 2014
Communication to designated inventor
Search/Exam
Mar 4, 2014
Communication to designated inventor
Search/Exam
Jan 9, 2014
(Electronic) Receipt
Search/Exam
Jan 9, 2014
Annexes in respect of a client data request
Search/Exam
Jan 9, 2014
Request for entry into the European phase
Search/Exam
Dec 4, 2013
Information on entry into European phase
Search/Exam
Mar 14, 2013
Copy of the international search report
Search/Exam
Mar 14, 2013
Jan 31, 2013
Published international application - A2
Search/Exam
Jan 29, 2013
Jan 29, 2013
Jan 29, 2013
Jul 27, 2011
(Electronic) Receipt
PCTRO
Jul 27, 2011
Abstract
PCTRO
Jul 27, 2011
Claims
PCTRO
Jul 27, 2011
Description
PCTRO
Jul 27, 2011
Drawings
PCTRO