The weekly litigation news digest is live. Subscribe now
The patent EP3302441 was granted to Esteve Quimica on Dec 13, 2023. The application was filed on May 24, 2016 under application number EP16800643A. 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 |
|---|---|---|---|
| FRY HEATH & SPENCE | Sep 13, 2024 | RICHARDS | ADMISSIBLE |
| KRAUS & LEDERER PARTGMBB | Sep 13, 2024 | KRAUS & LEDERER PARTGMBB | ADMISSIBLE |
| SOLARA ACTIVE PHARMA SCIENCE | Sep 12, 2024 | AOMB POLSKA SP ZOO | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US6784197 |
| DESCRIPTION | US7629474 |
| DESCRIPTION | US8338621 |
| DESCRIPTION | US8957226 |
| EXAMINATION | KR100915671B |
| EXAMINATION | US6784197 |
| EXAMINATION | US8034958 |
| EXAMINATION | US8338621 |
| EXAMINATION | WO03014080 |
| INTERNATIONAL-SEARCH-REPORT | KR20090017316 |
| INTERNATIONAL-SEARCH-REPORT | US2008009638 |
| INTERNATIONAL-SEARCH-REPORT | US2009318708 |
| INTERNATIONAL-SEARCH-REPORT | US2012021469 |
| INTERNATIONAL-SEARCH-REPORT | US2014031368 |
| INTERNATIONAL-SEARCH-REPORT | US2014228579 |
| INTERNATIONAL-SEARCH-REPORT | WO0162726 |
| INTERNATIONAL-SEARCH-REPORT | WO2012140504 |
| OPPOSITION | KR100915671B |
| OPPOSITION | US6784197 |
| OPPOSITION | US8034958 |
| OPPOSITION | US8338621 |
| OPPOSITION | WO0162726 |
| OPPOSITION | WO2009022839 |
| OTHER | EP3302441 |
| OTHER | US6784197 |
| OTHER | US8034958 |
| OTHER | US8338621 |
| OTHER | US8957226 |
| OTHER | WO0162726 |
| OTHER | WO2009022839 |
| SEARCH | WO0162726 |
| SEARCH | WO2009022839 |
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 30, 2025
Oct 30, 2025
Oct 30, 2025
Oct 30, 2025
Oct 30, 2025
Oct 30, 2025
Oct 30, 2025
Oct 30, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 8, 2025
Sep 8, 2025
Sep 8, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Feb 27, 2025
Feb 27, 2025
Feb 27, 2025
Feb 21, 2025
Feb 21, 2025
Feb 21, 2025
Feb 21, 2025
Feb 21, 2025
Feb 21, 2025
Feb 21, 2025
Feb 21, 2025
Feb 21, 2025
Feb 21, 2025
Feb 21, 2025
Feb 21, 2025
Feb 21, 2025
Feb 21, 2025
Feb 21, 2025
Feb 21, 2025
Feb 21, 2025
Feb 21, 2025
Feb 21, 2025
Oct 22, 2024
Oct 22, 2024
Oct 22, 2024
Oct 22, 2024
Oct 15, 2024
Oct 15, 2024
Oct 15, 2024
Oct 15, 2024
Sep 20, 2024
Sep 19, 2024
Sep 18, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Jan 3, 2024
Nov 16, 2023
Decision to grant a European patent
Search/Exam
Nov 9, 2023
Nov 3, 2023
(Electronic) Receipt
Search/Exam
Nov 3, 2023
French translation of claims
Search/Exam
Nov 3, 2023
German translation of the claims
Search/Exam
Nov 3, 2023
Letter accompanying subsequently filed items
Search/Exam
Nov 3, 2023
Sep 29, 2023
Sep 29, 2023
Sep 29, 2023
Sep 29, 2023
Intention to grant (signatures)
Search/Exam
Sep 29, 2023
Text intended for grant (clean copy)
Search/Exam
Sep 29, 2023
Jul 3, 2023
(Electronic) Receipt
Search/Exam
Jul 3, 2023
Claims
Search/Exam
Jul 3, 2023
Description
Search/Exam
Jul 3, 2023
Letter accompanying subsequently filed items
Search/Exam
Jul 3, 2023
Jun 30, 2023
Annex to the communication
Search/Exam
Jun 30, 2023
Communication from the Examining Division
Search/Exam
Apr 12, 2023
Apr 4, 2023
Non-patent literature filed by a third party
Search/Exam
Apr 4, 2023
Observations by third parties
Search/Exam
Apr 4, 2023
Patent document filed by a Third party
Search/Exam
Apr 4, 2023
Patent document filed by a Third party
Search/Exam
Apr 3, 2023
(Electronic) Receipt
Search/Exam
Apr 3, 2023
Amended claims with annotations
Search/Exam
Apr 3, 2023
Amended description with annotations
Search/Exam
Apr 3, 2023
Claims
Search/Exam
Apr 3, 2023
Description
Search/Exam
Apr 3, 2023
Letter accompanying subsequently filed items
Search/Exam
Apr 3, 2023
Mar 24, 2023
Mar 21, 2023
Non-patent literature filed by a third party
Search/Exam
Mar 21, 2023
Non-patent literature filed by a third party
Search/Exam
Mar 21, 2023
Observations by third parties
Search/Exam
Mar 21, 2023
Observations by third parties
Search/Exam
Mar 21, 2023
Patent document filed by a Third party
Search/Exam
Jan 16, 2023
Jan 6, 2023
Non-patent literature filed by a third party
Search/Exam
Jan 6, 2023
Non-patent literature filed by a third party
Search/Exam
Jan 6, 2023
Non-patent literature filed by a third party
Search/Exam
Jan 6, 2023
Non-patent literature filed by a third party
Search/Exam
Jan 6, 2023
Non-patent literature filed by a third party
Search/Exam
Jan 6, 2023
Observations by third parties
Search/Exam
Jan 6, 2023
Observations by third parties
Search/Exam
Jan 6, 2023
Patent document filed by a Third party
Search/Exam
Jan 6, 2023
Patent document filed by a Third party
Search/Exam
Jan 6, 2023
Patent document filed by a Third party
Search/Exam
Jan 6, 2023
Patent document filed by a Third party
Search/Exam
Dec 1, 2022
Annex to the communication
Search/Exam
Dec 1, 2022
Communication from the Examining Division
Search/Exam
Sep 16, 2022
(Electronic) Receipt
Search/Exam
Sep 16, 2022
Amended claims with annotations
Search/Exam
Sep 16, 2022
Amended description with annotations
Search/Exam
Sep 16, 2022
Claims
Search/Exam
Sep 16, 2022
Description
Search/Exam
Sep 16, 2022
Letter accompanying subsequently filed items
Search/Exam
Sep 16, 2022
May 31, 2022
May 20, 2022
Non-patent literature filed by a third party
Search/Exam
May 20, 2022
Non-patent literature filed by a third party
Search/Exam
May 20, 2022
Non-patent literature filed by a third party
Search/Exam
May 20, 2022
Observations by third parties
Search/Exam
May 19, 2022
Annex to the communication
Search/Exam
May 19, 2022
Communication from the Examining Division
Search/Exam
May 11, 2022
May 5, 2022
Citation filed by a third party
Search/Exam
May 5, 2022
Observations by third parties
Search/Exam
May 5, 2022
Patent document filed by a Third party
Search/Exam
May 5, 2022
Patent document filed by a Third party
Search/Exam
Feb 2, 2022
Dec 16, 2021
(Electronic) Receipt
Search/Exam
Dec 16, 2021
Amended claims with annotations
Search/Exam
Dec 16, 2021
Claims
Search/Exam
Dec 16, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 16, 2021
Dec 16, 2021
Oct 19, 2021
Oct 14, 2021
Observations by third parties
Search/Exam
Oct 14, 2021
Observations by third parties
Search/Exam
Sep 29, 2021
(Electronic) Receipt
Search/Exam
Sep 29, 2021
Annexes in respect of a client data request
Search/Exam
Sep 29, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 29, 2021
Aug 18, 2021
Aug 16, 2021
Annex to the communication
Search/Exam
Aug 16, 2021
Communication from the Examining Division
Search/Exam
Jul 23, 2021
Jul 23, 2021
Jul 20, 2021
(Electronic) Receipt
Search/Exam
Jul 20, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 20, 2021
Observations by third parties
Search/Exam
Jun 23, 2021
(Electronic) Receipt
Search/Exam
Jun 23, 2021
Annexes in respect of a client data request
Search/Exam
Jun 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 23, 2021
Jun 4, 2021
May 30, 2021
May 30, 2021
Non-patent literature filed by a third party
Search/Exam
May 30, 2021
Non-patent literature filed by a third party
Search/Exam
May 30, 2021
Observations by third parties
Search/Exam
May 11, 2021
May 5, 2021
May 5, 2021
Non-patent literature filed by a third party
Search/Exam
May 5, 2021
Observations by third parties
Search/Exam
Apr 26, 2021
Apr 26, 2021
Apr 26, 2021
Intention to grant (signatures)
Search/Exam
Apr 26, 2021
Text intended for grant (clean copy)
Search/Exam
Apr 26, 2021
Jan 7, 2021
(Electronic) Receipt
Search/Exam
Jan 7, 2021
Amended description with annotations
Search/Exam
Jan 7, 2021
Description
Search/Exam
Jan 7, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 7, 2021
Nov 25, 2020
Annex to the communication
Search/Exam
Nov 25, 2020
Communication from the Examining Division
Search/Exam
Sep 9, 2020
(Electronic) Receipt
Search/Exam
Sep 9, 2020
Amended claims with annotations
Search/Exam
Sep 9, 2020
Claims
Search/Exam
Sep 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 9, 2020
May 12, 2020
Annex to the communication
Search/Exam
May 12, 2020
Communication from the Examining Division
Search/Exam
Feb 5, 2020
(Electronic) Receipt
Search/Exam
Feb 5, 2020
Amended claims with annotations
Search/Exam
Feb 5, 2020
Claims
Search/Exam
Feb 5, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 5, 2020
Oct 7, 2019
Annex to the communication
Search/Exam
Oct 7, 2019
Communication from the Examining Division
Search/Exam
Sep 26, 2019
Examination started
Search/Exam
Sep 12, 2019
(Electronic) Receipt
Search/Exam
Sep 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 12, 2019
Jul 30, 2019
Jul 25, 2019
Observations by third parties
Search/Exam
Jul 25, 2019
Observations by third parties
Search/Exam
Jul 12, 2019
Jul 3, 2019
(Electronic) Receipt
Search/Exam
Jul 3, 2019
Jul 3, 2019
Amended claims with annotations
Search/Exam
Jul 3, 2019
Amendments received before examination
Search/Exam
Jul 3, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 8, 2019
Dec 12, 2018
Dec 12, 2018
European search opinion
Search/Exam
Dec 12, 2018
Information on Search Strategy
Search/Exam
Dec 12, 2018
Supplementary European search report
Search/Exam
Nov 19, 2018
Search started
Search/Exam
Nov 16, 2018
Nov 1, 2018
Non-patent literature filed by a third party
Search/Exam
Nov 1, 2018
Observations by third parties
Search/Exam
Nov 1, 2018
Patent document filed by a Third party
Search/Exam
Nov 1, 2018
Patent document filed by a Third party
Search/Exam
Nov 1, 2018
Patent document filed by a Third party
Search/Exam
Jul 16, 2018
(Electronic) Receipt
Search/Exam
Jul 16, 2018
Jul 16, 2018
Amended claims with annotations
Search/Exam
Jul 16, 2018
Jul 16, 2018
Amended description with annotations
Search/Exam
Jul 16, 2018
Amendments received before examination
Search/Exam
Jul 16, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 2, 2018
Jun 11, 2018
(Electronic) Receipt
Search/Exam
Jun 11, 2018
Annexes in respect of a client data request
Search/Exam
Jun 11, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 11, 2018
May 4, 2018
May 4, 2018
May 2, 2018
Apr 26, 2018
(Electronic) Receipt
Search/Exam
Apr 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 26, 2018
Non-patent literature filed by a third party
Search/Exam
Apr 26, 2018
Observations by third parties
Search/Exam
Apr 26, 2018
Patent document filed by a Third party
Search/Exam
Apr 26, 2018
Patent document filed by a Third party
Search/Exam
Apr 13, 2018
(Electronic) Receipt
Search/Exam
Apr 13, 2018
Annexes in respect of a client data request
Search/Exam
Apr 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 13, 2018
Mar 14, 2018
Feb 14, 2018
Jan 19, 2018
Jan 17, 2018
Communication to designated inventor
Search/Exam
Jan 17, 2018
Communication to designated inventor
Search/Exam
Jan 17, 2018
Communication to designated inventor
Search/Exam
Jan 17, 2018
Communication to designated inventor
Search/Exam
Jan 15, 2018
(Electronic) Receipt
Search/Exam
Jan 15, 2018
Annexes in respect of a client data request
Search/Exam
Jan 15, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 15, 2018
Dec 21, 2017
(Electronic) Receipt
Search/Exam
Dec 21, 2017
Request for entry into the European phase
Search/Exam
Dec 5, 2017
Dec 5, 2017
Oct 17, 2017
Notification of the recording of a change
Search/Exam
Oct 6, 2017
Information on entry into European phase
Search/Exam
Feb 22, 2017
Feb 22, 2017
Feb 22, 2017
Feb 22, 2017
Dec 6, 2016
Notification of election of EPO
Search/Exam
Dec 1, 2016
Copy of the international search report
Search/Exam
Dec 1, 2016
Published international application - A1
Search/Exam