Patent No. EP3696894 (titled "Cathode Material For Lithium Secondary Battery, And Cathode And Lithium Secondary Battery Which Comprise Same") was filed by LG Chem on Nov 21, 2018. The application was issued on Sep 13, 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.
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
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 15, 2025
Sep 15, 2025
Sep 5, 2025
Sep 2, 2025
Sep 2, 2025
Sep 2, 2025
Aug 29, 2025
Aug 29, 2025
Aug 29, 2025
Aug 29, 2025
Aug 29, 2025
Oct 30, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Jun 27, 2024
Jun 27, 2024
Jun 25, 2024
Jun 20, 2024
Jun 20, 2024
Jun 20, 2024
Jun 17, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Sep 26, 2023
Aug 18, 2023
Aug 9, 2023
Aug 9, 2023
Aug 9, 2023
Aug 9, 2023
Aug 9, 2023
May 19, 2023
May 19, 2023
May 19, 2023
May 19, 2023
May 19, 2023
May 19, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Mar 2, 2023
Mar 2, 2023
Mar 2, 2023
Feb 27, 2023
Jan 4, 2023
Dec 20, 2022
Dec 20, 2022
Dec 20, 2022
Feb 23, 2022
Feb 16, 2022
Feb 16, 2022
Feb 16, 2022
Dec 17, 2021
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
Dec 1, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 4, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Jul 22, 2020
Jun 11, 2020
Jun 11, 2020
Jun 8, 2020
Jun 8, 2020
Jun 8, 2020
May 26, 2020
May 26, 2020
May 26, 2020
May 26, 2020
May 26, 2020
May 26, 2020
May 26, 2020
May 26, 2020
May 26, 2020
May 11, 2020
May 11, 2020
May 11, 2020
May 11, 2020
May 11, 2020
May 11, 2020
May 11, 2020
May 11, 2020
May 11, 2020
May 11, 2020
May 11, 2020
May 11, 2020
Apr 3, 2020
Jun 17, 2019
May 31, 2019
May 31, 2019
May 31, 2019