The weekly litigation news digest is live. Subscribe now
The patent EP3812870 was granted to Belparts on Sep 21, 2022. The application was filed on Dec 22, 2008 under application number EP20197305A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
Latest UPC cases involving this patent.
| Case Number | Filing Date | Plaintiff | Proceeding Type |
|---|---|---|---|
| UPC_CFI_392/2025 | Apr 30, 2025 | IMI Hydronic, IMI Hydronic Engineering | Counter Claim For Revocation |
| UPC_CFI_104/2025 | Feb 11, 2025 | IMI Hydronic Engineering Deutschland | Revocation |
| UPC_CFI_801/2024 | Dec 13, 2024 | Belparts Group | Infringement |

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 |
|---|---|---|---|
| BAUER | Jun 21, 2023 | MULLER SCHUPFNER & PARTNER PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB MUC | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO9825086 |
| OPPOSITION | CN101055466 |
| OPPOSITION | CN1710307 |
| OPPOSITION | CN1862421 |
| OPPOSITION | DE4019503 |
| OPPOSITION | US2002040733 |
| OPPOSITION | US2005150552 |
| OPPOSITION | US2005151011 |
| OPPOSITION | US2007012367 |
| OPPOSITION | US5950668 |
| OPPOSITION | US6058955 |
| OPPOSITION | US7173539 |
| OPPOSITION | WO2004063607 |
| OPPOSITION | WO9825086 |
| SEARCH | DE102006028178 |
| SEARCH | DE3405774 |
| SEARCH | US2002040733 |
| SEARCH | US2008029174 |
| SEARCH | WO2007145559 |
| SEARCH | WO2008039065 |
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
Dec 4, 2025
Dec 4, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 18, 2025
Nov 18, 2025
Nov 12, 2025
Nov 11, 2025
Nov 11, 2025
Nov 11, 2025
Oct 29, 2025
Oct 29, 2025
Oct 28, 2025
Oct 28, 2025
Oct 27, 2025
(Electronic) Receipt
Appeal
Oct 27, 2025
Oct 27, 2025
Oct 7, 2025
Oct 6, 2025
(Electronic) Receipt
Appeal
Oct 6, 2025
Oct 6, 2025
Aug 1, 2025
Aug 1, 2025
Jul 31, 2025
Jul 30, 2025
(Electronic) Receipt
Appeal
Jul 30, 2025
Jul 30, 2025
Reply to appeal
Appeal
Jun 30, 2025
Jun 30, 2025
Apr 7, 2025
Apr 3, 2025
(Electronic) Receipt
Appeal
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Mar 31, 2025
Refund of fees
Search/Exam
Mar 21, 2025
Mar 20, 2025
(Electronic) Receipt
Appeal
Mar 20, 2025
Mar 20, 2025
Withdrawal of an appeal
Appeal
Feb 10, 2025
Feb 10, 2025
Feb 7, 2025
Jan 31, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Dec 19, 2024
(Electronic) Receipt
Appeal
Dec 19, 2024
Notice of appeal
Appeal
Dec 19, 2024
Notice of appeal
Appeal
Dec 16, 2024
(Electronic) Receipt
Appeal
Dec 16, 2024
Dec 16, 2024
Notice of appeal
Appeal
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Means of redress
OPPO
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Nov 18, 2024
Sep 24, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Aug 27, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Feb 19, 2024
Feb 19, 2024
Feb 19, 2024
Feb 19, 2024
Feb 19, 2024
Feb 19, 2024
Feb 19, 2024
Feb 13, 2024
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Nov 21, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Jul 5, 2023
Jul 5, 2023
Jul 5, 2023
Jun 26, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Oct 5, 2022
Aug 25, 2022
Decision to grant a European patent
Search/Exam
Aug 11, 2022
(Electronic) Receipt
Search/Exam
Aug 11, 2022
Filing of the translations of the claims
Search/Exam
Aug 11, 2022
French translation of claims
Search/Exam
Aug 11, 2022
German translation of the claims
Search/Exam
Aug 11, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 5, 2022
Aug 5, 2022
Aug 5, 2022
Intention to grant (signatures)
Search/Exam
Aug 5, 2022
Text intended for grant (clean copy)
Search/Exam
Aug 5, 2022
Jul 27, 2022
(Electronic) Receipt
Search/Exam
Jul 27, 2022
Letter accompanying subsequently filed items
Search/Exam
Jun 3, 2022
(Electronic) Receipt
Search/Exam
Jun 3, 2022
Amended claims with annotations
Search/Exam
Jun 3, 2022
Amended description with annotations
Search/Exam
Jun 3, 2022
Claims
Search/Exam
Jun 3, 2022
Description
Search/Exam
Jun 3, 2022
Letter accompanying subsequently filed items
Search/Exam
Jun 3, 2022
May 12, 2022
May 12, 2022
May 5, 2022
General authorisation
Search/Exam
May 5, 2022
Letter accompanying subsequently filed items
Search/Exam
May 5, 2022
Jan 24, 2022
Annex to the communication
Search/Exam
Jan 24, 2022
Communication from the Examining Division
Search/Exam
Jan 18, 2022
Examination started
Search/Exam
Nov 10, 2021
(Electronic) Receipt
Search/Exam
Nov 10, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 10, 2021
Nov 9, 2021
Oct 28, 2021
(Electronic) Receipt
Search/Exam
Oct 28, 2021
Oct 28, 2021
Amended claims with annotations
Search/Exam
Oct 28, 2021
Amendments received before examination
Search/Exam
Oct 28, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 14, 2021
Jul 9, 2021
Jul 2, 2021
(Electronic) Receipt
Search/Exam
Jul 2, 2021
Annexes in respect of a client data request
Search/Exam
Jul 2, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 2, 2021
May 3, 2021
Mar 31, 2021
Notification of forthcoming publication
Search/Exam
Mar 9, 2021
Refund of fees
Search/Exam
Mar 4, 2021
Mar 4, 2021
European search opinion
Search/Exam
Mar 4, 2021
European search report
Search/Exam
Mar 4, 2021
Information on Search Strategy
Search/Exam
Feb 16, 2021
Search started
Search/Exam
Dec 22, 2020
(Electronic) Receipt
Search/Exam
Dec 22, 2020
Abstract
Search/Exam
Dec 22, 2020
Claims
Search/Exam
Dec 22, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 22, 2020
Dec 11, 2020
Communication to designated inventor
Search/Exam
Dec 11, 2020
Communication to designated inventor
Search/Exam
Dec 11, 2020
Communication to designated inventor
Search/Exam
Oct 29, 2020
Oct 29, 2020
Invitation to file claims
Search/Exam
Oct 20, 2020
(Electronic) Receipt
Search/Exam
Oct 20, 2020
Letter concerning fees and payments
Search/Exam
Sep 21, 2020
Sep 21, 2020
Annex
Search/Exam
Sep 21, 2020
Designation of inventor
Search/Exam
Sep 21, 2020
Previously filed application
Search/Exam
Sep 21, 2020
Request for grant of a European patent
Search/Exam
Jan 20, 2010