Patent No. EP3402195 (titled "Method And Apparatus For Encoding Video, And Decoding Method And Apparatus") was filed by Electronics And Telecommunications Research Institute on Aug 17, 2011. The application was issued on Oct 6, 2021.

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 |
|---|---|---|
| UNIFIED PATENTS | Jul 5, 2022 | 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
Nov 6, 2025
Nov 6, 2025
Nov 6, 2025
Sep 30, 2025
Sep 30, 2025
Sep 30, 2025
Sep 22, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 12, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Aug 22, 2025
Aug 22, 2025
Aug 22, 2025
Aug 22, 2025
May 22, 2025
May 22, 2025
Sep 18, 2024
Sep 18, 2024
Sep 12, 2024
Sep 12, 2024
Sep 5, 2024
Sep 3, 2024
Aug 2, 2024
Jul 29, 2024
Jul 29, 2024
Jul 29, 2024
Mar 27, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Jan 25, 2024
Jan 25, 2024
Jan 17, 2024
Jan 17, 2024
Jan 17, 2024
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 7, 2023
Nov 7, 2023
Nov 6, 2023
Nov 6, 2023
Nov 3, 2023
Nov 3, 2023
Nov 3, 2023
Nov 3, 2023
Nov 3, 2023
Nov 3, 2023
Nov 3, 2023
Nov 3, 2023
Nov 3, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 19, 2023
Sep 13, 2023
Sep 13, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
May 12, 2023
May 9, 2023
May 9, 2023
May 9, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Dec 6, 2022
Dec 1, 2022
Dec 1, 2022
Dec 1, 2022
Oct 17, 2022
Oct 17, 2022
Oct 17, 2022
Oct 12, 2022
Oct 12, 2022
Oct 12, 2022
Jul 22, 2022
Jul 22, 2022
Jul 12, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Oct 19, 2021
Sep 9, 2021
Jul 12, 2021
Jul 12, 2021
Jul 12, 2021
Jul 12, 2021
Jul 12, 2021
Mar 25, 2021
Mar 25, 2021
Mar 25, 2021
Mar 25, 2021
Mar 25, 2021
Oct 22, 2020
Oct 22, 2020
Oct 22, 2020
Oct 22, 2020
Oct 22, 2020
Jul 8, 2020
Jul 8, 2020
Jun 29, 2020
May 14, 2019
May 14, 2019
May 14, 2019
May 14, 2019
May 14, 2019
Jan 14, 2019
Jan 11, 2019
Jan 7, 2019
Jan 3, 2019
Nov 19, 2018
Oct 17, 2018
Oct 15, 2018
Sep 24, 2018
Sep 24, 2018
Sep 24, 2018
Sep 24, 2018
Sep 10, 2018
Aug 24, 2018
Aug 24, 2018
Aug 24, 2018
Aug 24, 2018
Aug 24, 2018
Aug 24, 2018
Aug 24, 2018
Aug 24, 2018
Aug 24, 2018
Aug 24, 2018
May 30, 2018
May 30, 2018
May 30, 2018
May 30, 2018
May 30, 2018
May 30, 2018
May 30, 2018
Mar 13, 2012
Mar 13, 2012
Mar 13, 2012
Mar 13, 2012