Patent No. EP3303647 (titled "Deformation-Hardened Component Made Of Galvanized Steel, Production Method Therefor And Method For Producing A Steel Strip Suitable For The Deformation-Hardening Of Components") was filed by Salzgitter Flachstahl on May 31, 2016. The application was issued on Mar 20, 2019.

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 |
|---|---|---|
| THYSSENKRUPP STEEL EUROPE | Dec 20, 2019 | COHAUSZ & FLORACK |
| VOESTALPINE STAHL | Dec 12, 2019 | HGF |
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
Aug 12, 2024
Aug 12, 2024
Aug 12, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 6, 2024
Feb 27, 2024
Feb 27, 2024
Feb 19, 2024
Feb 19, 2024
Feb 19, 2024
Feb 16, 2023
Feb 16, 2023
Feb 10, 2023
Feb 10, 2023
Feb 10, 2023
Nov 25, 2021
Nov 25, 2021
Nov 25, 2021
Nov 10, 2021
Nov 10, 2021
Sep 23, 2021
Sep 23, 2021
Sep 23, 2021
Aug 30, 2021
Aug 30, 2021
Aug 30, 2021
Aug 30, 2021
Aug 25, 2021
Aug 25, 2021
Aug 25, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Jun 7, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
May 28, 2021
May 27, 2021
May 27, 2021
Sep 2, 2020
Sep 2, 2020
Aug 28, 2020
Aug 28, 2020
Aug 28, 2020
Aug 27, 2020
Aug 27, 2020
Aug 27, 2020
Aug 26, 2020
Aug 26, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 19, 2020
Aug 19, 2020
Aug 14, 2020
Aug 14, 2020
Aug 11, 2020
Aug 10, 2020
Aug 10, 2020
Aug 3, 2020
Aug 3, 2020
Aug 3, 2020
Aug 3, 2020
Aug 3, 2020
Jul 30, 2020
Jul 30, 2020
Jul 29, 2020
Jul 27, 2020
Jul 27, 2020
Jul 27, 2020
Jul 27, 2020
Jul 27, 2020
Jul 27, 2020
Jul 23, 2020
Jul 23, 2020
Jul 23, 2020
Jul 22, 2020
Jul 20, 2020
Jul 20, 2020
Jul 10, 2020
Jun 22, 2020
Jun 22, 2020
Jun 19, 2020
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Jun 2, 2020
Jun 2, 2020
May 29, 2020
May 25, 2020
May 25, 2020
May 25, 2020
May 25, 2020
May 25, 2020
May 25, 2020
May 25, 2020
May 25, 2020
May 25, 2020
May 25, 2020
May 14, 2020
May 14, 2020
May 14, 2020
May 14, 2020
May 14, 2020
May 14, 2020
Jan 20, 2020
Jan 20, 2020
Jan 20, 2020
Jan 9, 2020
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 17, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Apr 1, 2019
Feb 21, 2019
Feb 11, 2019
Feb 11, 2019
Feb 11, 2019
Feb 11, 2019
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Oct 16, 2018
Apr 10, 2018
Mar 28, 2018
Mar 14, 2018
Mar 7, 2018
Jan 16, 2018
Jan 8, 2018
Jan 8, 2018
Jan 8, 2018
Dec 21, 2017
Dec 7, 2017
Dec 7, 2017
Dec 7, 2017
Oct 13, 2017
Feb 9, 2017
Jan 2, 2017
Jan 2, 2017
Dec 8, 2016
Dec 8, 2016
Dec 8, 2016
Jul 18, 2016
Jul 18, 2016
Jul 15, 2016
Jul 15, 2016
Jul 15, 2016
Jul 5, 2016
Jul 1, 2016
Jun 7, 2016
Jun 3, 2016
May 31, 2016
May 31, 2016
May 31, 2016
May 31, 2016
May 31, 2016
May 31, 2016