The weekly litigation news digest is live. Subscribe now
The patent EP3801037 was granted to CHR Hansen HMO on Oct 19, 2022. The application was originally filed on May 29, 2019 under application number EP19727020A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| FRIESLANDCAMPINA NEDERLAND | Jul 18, 2023 | FRIESLANDCAMPINA DEPARTMENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2007101862 |
| DESCRIPTION | WO2014153252 |
| INTERNATIONAL-SEARCH-REPORT | CN103788144 |
| INTERNATIONAL-SEARCH-REPORT | EP2484686 |
| INTERNATIONAL-SEARCH-REPORT | US2014170293 |
| INTERNATIONAL-SEARCH-REPORT | US8507227 |
| INTERNATIONAL-SEARCH-REPORT | WO2017220697 |
| OPPOSITION | EP3741770 |
| OPPOSITION | WO2007056191 |
| OPPOSITION | WO2017152918 |
| OPPOSITION | WO9815581 |
| OTHER | EP3790413 |
| OTHER | WO2007056191 |
| OTHER | WO2017152918 |
| OTHER | WO2019215073 |
| OTHER | WO9815581 |
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
Feb 19, 2025
Feb 19, 2025
Dec 3, 2024
Nov 15, 2024
Nov 15, 2024
Nov 15, 2024
Nov 15, 2024
Nov 15, 2024
Nov 15, 2024
Nov 15, 2024
Nov 15, 2024
Means of redress
OPPO
Nov 15, 2024
Nov 15, 2024
Nov 15, 2024
Nov 15, 2024
Nov 5, 2024
Sep 6, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Aug 27, 2024
Aug 21, 2024
Apr 2, 2024
Apr 2, 2024
Apr 2, 2024
Apr 2, 2024
Apr 2, 2024
Apr 2, 2024
Apr 2, 2024
Oct 18, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Aug 2, 2023
Aug 2, 2023
Jul 21, 2023
Jul 18, 2023
Jul 18, 2023
Jul 18, 2023
Jul 18, 2023
Jul 18, 2023
Jul 18, 2023
Jul 18, 2023
Jul 18, 2023
Jul 18, 2023
Jul 18, 2023
Jul 18, 2023
Jul 18, 2023
Nov 2, 2022
Sep 22, 2022
Decision to grant a European patent
Search/Exam
Sep 8, 2022
(Electronic) Receipt
Search/Exam
Sep 8, 2022
Filing of the translations of the claims
Search/Exam
Sep 8, 2022
French translation of claims
Search/Exam
Sep 8, 2022
German translation of the claims
Search/Exam
Jun 29, 2022
Jun 29, 2022
Jun 29, 2022
Jun 29, 2022
Intention to grant (signatures)
Search/Exam
Jun 29, 2022
Text intended for grant (clean copy)
Search/Exam
Jun 29, 2022
May 17, 2022
(Electronic) Receipt
Search/Exam
May 17, 2022
Amended claims with annotations
Search/Exam
May 17, 2022
Amended description with annotations
Search/Exam
May 17, 2022
Claims
Search/Exam
May 17, 2022
Description
Search/Exam
May 17, 2022
Letter accompanying subsequently filed items
Search/Exam
May 17, 2022
Apr 29, 2022
Apr 29, 2022
Apr 29, 2022
Apr 29, 2022
Intention to grant (signatures)
Search/Exam
Apr 29, 2022
Text intended for grant (clean copy)
Search/Exam
Apr 29, 2022
Apr 6, 2022
Examination started
Search/Exam
Aug 26, 2021
Aug 20, 2021
Non-patent literature filed by a third party
Search/Exam
Aug 20, 2021
Non-patent literature filed by a third party
Search/Exam
Aug 20, 2021
Non-patent literature filed by a third party
Search/Exam
Aug 20, 2021
Observations by third parties
Search/Exam
Jul 19, 2021
(Electronic) Receipt
Search/Exam
Jul 19, 2021
Jul 19, 2021
Amended claims with annotations
Search/Exam
Jul 19, 2021
Jul 19, 2021
Amended description with annotations
Search/Exam
Jul 19, 2021
Amendments received before examination
Search/Exam
Jul 19, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 9, 2021
May 14, 2021
Annexes in respect of a client data request
Search/Exam
May 14, 2021
Mar 17, 2021
Jan 19, 2021
Jan 15, 2021
Communication to designated inventor
Search/Exam
Jan 15, 2021
Communication to designated inventor
Search/Exam
Jan 15, 2021
Communication to designated inventor
Search/Exam
Dec 22, 2020
(Electronic) Receipt
Search/Exam
Dec 22, 2020
Request for entry into the European phase
Search/Exam
Dec 14, 2020
Oct 9, 2020
Information on entry into European phase
Search/Exam
Jan 6, 2020
Dec 5, 2019
Copy of the international search report
Search/Exam
Dec 5, 2019
Published international application - A1
Search/Exam
Jul 5, 2019
Jul 5, 2019
Jul 4, 2019
Jul 4, 2019
Jun 18, 2019
(Electronic) Receipt
PCTRO
Jun 18, 2019
Jun 18, 2019
Jun 12, 2019
Jun 11, 2019
Jun 5, 2019
May 29, 2019
(Electronic) Receipt
PCTRO
May 29, 2019
Abstract
PCTRO
May 29, 2019
Claims
PCTRO
May 29, 2019
Description
PCTRO
May 29, 2019
May 29, 2019
May 29, 2019