The weekly litigation news digest is live. Subscribe now
Patent No. EP3869098 (titled "Forced-Draft Pre-Mix Burner Device") was filed by Brunswick on Jun 19, 2019. The application was issued on Jan 10, 2024.

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 |
|---|---|---|
| RITTER | Oct 1, 2024 | PATENTANWALTE RUFF |
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 22, 2025
Oct 22, 2025
Jul 17, 2025
Jul 17, 2025
Jul 10, 2025
Jul 10, 2025
Jul 7, 2025
Jul 7, 2025
Jul 7, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Jun 20, 2025
Jun 20, 2025
Jun 10, 2025
Jun 4, 2025
Jun 4, 2025
Jun 4, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Feb 28, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Oct 24, 2024
Oct 24, 2024
Oct 8, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Jan 23, 2024
Dec 14, 2023
Dec 1, 2023
Nov 17, 2023
Nov 17, 2023
Nov 17, 2023
Nov 17, 2023
Nov 13, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Jul 28, 2023
Jul 28, 2023
Jul 28, 2023
Jul 28, 2023
Jul 28, 2023
Jul 28, 2023
Jul 13, 2023
Feb 24, 2023
Feb 13, 2023
Feb 13, 2023
Feb 13, 2023
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Aug 30, 2021
Jul 28, 2021
Jun 30, 2021
Jun 25, 2021
Jun 25, 2021
Jun 25, 2021
Jun 25, 2021
Jun 14, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Jun 25, 2019