Patent No. EP3882357 (titled "Methods And Compositions For Nucleic Acid Analysis") was filed by X Genomics on Dec 2, 2016. The application was issued on Aug 10, 2022.

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
Dec 22, 2025
Dec 22, 2025
Dec 18, 2025
Dec 18, 2025
Dec 5, 2025
Dec 5, 2025
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Dec 2, 2025
Dec 2, 2025
Dec 2, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 25, 2025
Nov 25, 2025
Jul 22, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Mar 25, 2025
Mar 20, 2025
Mar 19, 2025
Mar 19, 2025
Mar 19, 2025
Mar 19, 2025
Jan 28, 2025
Jan 28, 2025
Jan 22, 2025
Jan 22, 2025
Jan 22, 2025
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Nov 5, 2024
Sep 11, 2024
Sep 10, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Feb 28, 2024
Feb 28, 2024
Feb 28, 2024
Feb 28, 2024
Feb 28, 2024
Feb 28, 2024
Feb 28, 2024
Jan 17, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Oct 9, 2023
Oct 3, 2023
Oct 3, 2023
Oct 3, 2023
Oct 3, 2023
Oct 3, 2023
Oct 3, 2023
Oct 3, 2023
Oct 3, 2023
Oct 3, 2023
Oct 3, 2023
Oct 3, 2023
Oct 3, 2023
Oct 3, 2023
Jun 13, 2023
Jun 13, 2023
Jun 13, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 6, 2023
Jun 6, 2023
Jun 6, 2023
May 25, 2023
May 25, 2023
May 15, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
Aug 23, 2022
Jul 14, 2022
Jun 28, 2022
Jun 28, 2022
Jun 28, 2022
Jun 28, 2022
Jun 28, 2022
Feb 22, 2022
Feb 22, 2022
Feb 22, 2022
Feb 22, 2022
Feb 22, 2022
Jan 26, 2022
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Sep 27, 2021
Aug 25, 2021
Jul 9, 2021
Jul 6, 2021
Jul 6, 2021
Jul 6, 2021
Jul 6, 2021
Jun 21, 2021
May 10, 2021
May 10, 2021
May 10, 2021
May 10, 2021
Mar 1, 2021
Feb 16, 2021
Feb 16, 2021
Feb 16, 2021
Feb 16, 2021
Feb 16, 2021
Feb 16, 2021
Feb 16, 2021
Jun 27, 2017