Patent No. EP3335899 (titled "Security Ink Based Security Feature") was filed by Viavi Solutions on Dec 12, 2017. The application was issued on Aug 30, 2023.

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 |
|---|---|---|
| GIESECKEDEVRIENT CURRENCY TECHNOLOGY | Mar 3, 2021 | GIESECKEDEVRIENT |
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 3, 2023
Aug 3, 2023
Jul 28, 2023
Jul 19, 2023
Jul 19, 2023
Jul 19, 2023
Jul 19, 2023
Jul 19, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 17, 2023
Jan 6, 2023
Dec 22, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Nov 24, 2022
Nov 18, 2022
Nov 14, 2022
Nov 14, 2022
Nov 14, 2022
Oct 11, 2022
Oct 5, 2022
Oct 5, 2022
Sep 30, 2022
Sep 29, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 22, 2022
Aug 30, 2022
Aug 24, 2022
Aug 24, 2022
Aug 24, 2022
Jun 17, 2022
Jun 17, 2022
Feb 11, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Jan 26, 2022
Jan 26, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 13, 2022
Jan 13, 2022
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 21, 2021
Dec 15, 2021
Dec 15, 2021
Dec 14, 2021
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
Nov 2, 2021
Oct 29, 2021
Sep 15, 2021
Aug 3, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Mar 18, 2021
Mar 18, 2021
Mar 15, 2021
Mar 3, 2021
Mar 3, 2021
Mar 3, 2021
Mar 3, 2021
Mar 3, 2021
Mar 3, 2021
Mar 3, 2021
Mar 3, 2021
Mar 3, 2021
Mar 3, 2021
Mar 3, 2021
Mar 3, 2021
Jun 15, 2020
May 8, 2020
Apr 28, 2020
Apr 28, 2020
Apr 28, 2020
Apr 28, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 8, 2020
Dec 10, 2019
Dec 10, 2019
Dec 10, 2019
Dec 10, 2019
Dec 10, 2019
Nov 22, 2019
Aug 6, 2019
Aug 6, 2019
May 20, 2019
May 20, 2019
May 20, 2019
May 20, 2019
May 20, 2019
Feb 20, 2019
Feb 20, 2019
Feb 13, 2019
Dec 20, 2018
Dec 20, 2018
Dec 20, 2018
Dec 20, 2018
Dec 20, 2018
Jun 25, 2018
May 24, 2018
Apr 5, 2018
Apr 5, 2018
Apr 5, 2018
Apr 5, 2018
Mar 23, 2018
Feb 16, 2018
Feb 13, 2018
Feb 13, 2018
Feb 2, 2018
Feb 2, 2018
Dec 12, 2017
Dec 12, 2017
Dec 12, 2017
Dec 12, 2017
Dec 12, 2017
Dec 12, 2017
Dec 12, 2017