Patent No. EP4123032 (titled "Detection And Treatment Of Disease Exhibiting Disease Cell Heterogeneity And Systems And Methods For Communicating Test Results") was filed by Guardant Health on Dec 28, 2015. The application was issued on Feb 5, 2025.

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 |
|---|---|---|
| SOPHIA GENETICS | Nov 5, 2025 | IK |
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
Mar 20, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Nov 17, 2025
Nov 17, 2025
Nov 11, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Feb 18, 2025
Jan 10, 2025
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Aug 29, 2024
Aug 29, 2024
Aug 29, 2024
Aug 29, 2024
Aug 29, 2024
Aug 29, 2024
Aug 21, 2024
Aug 21, 2024
Aug 21, 2024
Aug 19, 2024
Aug 19, 2024
Aug 19, 2024
Aug 19, 2024
Aug 19, 2024
Aug 19, 2024
Aug 19, 2024
Aug 9, 2024
Aug 9, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Mar 14, 2024
Mar 14, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Feb 28, 2024
Feb 22, 2024
Feb 22, 2024
Jan 3, 2024
Dec 21, 2023
Dec 21, 2023
Aug 30, 2023
Aug 30, 2023
Aug 24, 2023
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jan 30, 2023
Jan 4, 2023
Dec 6, 2022
Dec 6, 2022
Dec 6, 2022
Dec 6, 2022
Nov 28, 2022
Sep 16, 2022
Sep 16, 2022
Sep 16, 2022
Sep 16, 2022
Jul 8, 2022
May 31, 2022
May 31, 2022
May 31, 2022
May 31, 2022
May 31, 2022
May 31, 2022
May 31, 2022
May 31, 2022
May 31, 2022
Jul 26, 2016
Jul 26, 2016