Patent No. EP4420846 (titled "Product Guide With Traction Roller") was filed by Weber Food Technology on Feb 22, 2023. The application was issued on Jan 22, 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 |
|---|---|---|
| MULTIVAC SEPP HAGGENMULLER | Oct 21, 2025 | WEICKMANN & WEICKMANN PARTMBB |
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
Apr 29, 2026
Apr 29, 2026
Apr 29, 2026
Apr 29, 2026
Apr 29, 2026
Mar 9, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Mar 3, 2026
Nov 3, 2025
Nov 3, 2025
Oct 24, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Feb 11, 2025
Feb 4, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 7, 2025
Dec 9, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Nov 12, 2024
Nov 12, 2024
Nov 12, 2024
Nov 12, 2024
Nov 12, 2024
Nov 12, 2024
Nov 3, 2024
Sep 2, 2024
Jul 31, 2024
Jan 22, 2024
Jan 10, 2024
Jan 10, 2024
Jan 10, 2024
Oct 20, 2023
Oct 20, 2023
Oct 20, 2023
Oct 20, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Jul 24, 2023
Mar 27, 2023
Mar 17, 2023
Mar 17, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023