Patent No. EP3882581 (titled "Load Cell Unit And Weighing Equipment") was filed by Ishida on Mar 16, 2021. The application was issued on Apr 23, 2025.

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 |
|---|---|---|
| BIZERBA | Aug 2, 2023 | MANITZ FINSTERWALD PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB |
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
Mar 27, 2025
Mar 27, 2025
Mar 19, 2025
Mar 19, 2025
Mar 19, 2025
Mar 19, 2025
Mar 19, 2025
Mar 4, 2025
Mar 4, 2025
Feb 27, 2025
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Oct 18, 2024
Oct 7, 2024
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Aug 20, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 9, 2024
Aug 9, 2024
Aug 9, 2024
Aug 9, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Jan 5, 2024
Dec 27, 2023
Dec 27, 2023
Dec 27, 2023
Dec 27, 2023
Dec 27, 2023
Dec 27, 2023
Dec 27, 2023
Dec 27, 2023
Dec 27, 2023
Dec 27, 2023
Dec 27, 2023
Aug 18, 2023
Aug 18, 2023
Aug 8, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Nov 15, 2022
Oct 7, 2022
Sep 27, 2022
Sep 27, 2022
Sep 27, 2022
Sep 27, 2022
Sep 27, 2022
Jun 20, 2022
Jun 20, 2022
Jun 20, 2022
Jun 20, 2022
Jun 20, 2022
May 23, 2022
Feb 18, 2022
Feb 18, 2022
Feb 18, 2022
Feb 18, 2022
Feb 18, 2022
Feb 18, 2022
Feb 18, 2022
Sep 27, 2021
Aug 25, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 13, 2021
Mar 19, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021