Patent No. EP3166798 (titled "Improvements In And Relating To Security Documents") was filed by DW Spinks Embossing on Jul 7, 2015. The application was issued on Aug 19, 2020.

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 |
|---|---|---|
| OBERTHUR FIDUCIAIRE VHP SECURITY PAPER | May 19, 2021 | REGIMBEAU |
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 5, 2025
Aug 5, 2025
Aug 5, 2025
May 16, 2025
May 16, 2025
May 16, 2025
May 7, 2025
Apr 29, 2025
Apr 29, 2025
Apr 29, 2025
Nov 26, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 15, 2024
Nov 15, 2024
Sep 20, 2024
Sep 17, 2024
Sep 17, 2024
Sep 17, 2024
Aug 27, 2024
Aug 27, 2024
Aug 19, 2024
Aug 13, 2024
Aug 13, 2024
Aug 13, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 12, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
Jun 17, 2024
Jun 17, 2024
Jun 17, 2024
Jun 5, 2024
Jun 5, 2024
Jun 5, 2024
Jun 5, 2024
May 31, 2024
May 29, 2024
May 22, 2024
May 22, 2024
May 22, 2024
Apr 10, 2024
Dec 18, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Jul 28, 2023
Jul 20, 2023
Jul 20, 2023
Jul 20, 2023
May 16, 2023
May 9, 2023
May 9, 2023
May 9, 2023
Apr 21, 2023
Apr 21, 2023
Apr 21, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Mar 7, 2023
Mar 2, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 8, 2023
Jan 31, 2023
Jan 31, 2023
Jan 31, 2023
Jan 13, 2023
Jan 4, 2023
Jan 4, 2023
Jan 4, 2023
Jan 4, 2023
Jan 4, 2023
Dec 5, 2022
Dec 5, 2022
Dec 5, 2022
Nov 28, 2022
Nov 28, 2022
Nov 28, 2022
Sep 5, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Mar 18, 2022
Mar 15, 2022
Mar 15, 2022
Mar 15, 2022
Feb 18, 2022
Feb 18, 2022
Feb 18, 2022
Feb 17, 2022
Feb 17, 2022
Feb 16, 2022
Feb 16, 2022
Nov 9, 2021
Oct 18, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Jun 1, 2021
Jun 1, 2021
May 25, 2021
May 19, 2021
May 19, 2021
May 19, 2021
May 19, 2021
May 19, 2021
May 19, 2021
May 19, 2021
May 19, 2021
May 19, 2021
May 19, 2021
May 19, 2021
May 19, 2021
May 19, 2021
May 19, 2021
May 19, 2021
May 19, 2021
May 19, 2021
May 19, 2021
May 19, 2021
Aug 31, 2020
Jul 23, 2020
Jun 18, 2020
Jun 8, 2020
Jun 8, 2020
Jun 8, 2020
Jun 8, 2020
Jun 8, 2020
Jan 29, 2020
Jan 29, 2020
Jan 29, 2020
Jan 29, 2020
Jan 29, 2020
Aug 5, 2019
Aug 5, 2019
Aug 5, 2019
Aug 5, 2019
Aug 5, 2019
May 28, 2019
May 28, 2019
Apr 30, 2019
Oct 26, 2017
Sep 29, 2017
Sep 29, 2017
Sep 29, 2017
Sep 29, 2017
Sep 1, 2017
Sep 1, 2017
Sep 1, 2017
Sep 1, 2017
Sep 1, 2017
Sep 1, 2017
Sep 1, 2017
Jun 8, 2017
Jun 2, 2017
Apr 20, 2017
Feb 22, 2017
Feb 20, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Jan 23, 2017
Nov 18, 2016
Feb 1, 2016
Feb 1, 2016
Feb 1, 2016
Feb 1, 2016
Feb 1, 2016
Feb 1, 2016
Jan 14, 2016
Jan 14, 2016
Jan 14, 2016
Jan 14, 2016
Nov 12, 2015
Nov 12, 2015
Nov 12, 2015
Sep 22, 2015