Patent No. EP3805248 (titled "Process For Concentration Of Antibodies And Therapeutic Products Thereof") was filed by Genentech on Sep 8, 2005. The application was issued on Jan 18, 2023.
Latest UPC cases involving this patent.
| Case Number | Filing Date | Plaintiff | Proceeding Type |
|---|---|---|---|
| APP_61203/2024 | Nov 14, 2024 | Cohausz & Florack | Generic |
| APP_61187/2024 | Nov 14, 2024 | Cohausz & Florack | Generic |
| UPC_CFI_166/2024 | Apr 9, 2024 | Genentech, Novartis | Provisional Measures |
| UPC_CFI_165/2024 | Apr 9, 2024 | Genentech, Novartis | Provisional Measures |

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 |
|---|---|---|
| KILBURN & STRODE | Oct 18, 2023 | KILBURN & STRODE |
| CELLTRION | Oct 16, 2023 | HOFFMANN EITLE |
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 16, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Nov 27, 2025
Nov 26, 2025
Nov 25, 2025
Nov 25, 2025
Nov 25, 2025
Sep 24, 2025
Sep 24, 2025
Sep 22, 2025
Sep 22, 2025
Sep 22, 2025
Sep 22, 2025
Jul 23, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 21, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
May 20, 2025
May 20, 2025
May 20, 2025
May 20, 2025
May 20, 2025
May 20, 2025
May 20, 2025
May 20, 2025
May 20, 2025
May 20, 2025
May 20, 2025
May 20, 2025
May 20, 2025
May 20, 2025
May 20, 2025
May 20, 2025
Apr 2, 2025
Mar 31, 2025
Mar 31, 2025
Mar 27, 2025
Mar 27, 2025
Mar 27, 2025
Mar 27, 2025
Mar 27, 2025
Mar 27, 2025
Mar 27, 2025
Mar 27, 2025
Mar 25, 2025
Mar 25, 2025
Mar 25, 2025
Mar 25, 2025
Mar 25, 2025
Mar 25, 2025
Mar 24, 2025
Mar 24, 2025
Mar 24, 2025
Mar 20, 2025
Feb 27, 2025
Feb 27, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Aug 21, 2024
Aug 21, 2024
Aug 16, 2024
Aug 16, 2024
Aug 16, 2024
Aug 16, 2024
Aug 16, 2024
Aug 16, 2024
Aug 16, 2024
Aug 8, 2024
Aug 8, 2024
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Aug 2, 2024
Aug 2, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 22, 2024
Jul 22, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 9, 2024
Jul 9, 2024
Jul 3, 2024
Jul 3, 2024
Jul 3, 2024
Jul 3, 2024
Jul 3, 2024
Jul 3, 2024
Jun 17, 2024
Jun 17, 2024
Jun 17, 2024
Jun 14, 2024
Jun 14, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
May 28, 2024
May 28, 2024
May 23, 2024
May 23, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 6, 2024
May 6, 2024
May 6, 2024
Mar 8, 2024
Mar 8, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Nov 2, 2023
Nov 2, 2023
Nov 2, 2023
Oct 24, 2023
Oct 20, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Jan 31, 2023
Dec 22, 2022
Dec 8, 2022
Dec 8, 2022
Dec 8, 2022
Dec 8, 2022
Dec 8, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Aug 29, 2022
Aug 23, 2022
Aug 23, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
May 31, 2022
May 24, 2022
May 24, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 6, 2022
Apr 6, 2022
Apr 5, 2022
Apr 5, 2022
Mar 31, 2022
Mar 31, 2022
Mar 31, 2022
Jan 31, 2022
Jan 31, 2022
Jan 25, 2022
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Sep 29, 2021
Sep 29, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 23, 2021
Jul 19, 2021
Jun 10, 2021
Jun 10, 2021
Jun 10, 2021
Jun 10, 2021
Mar 17, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 11, 2021
Mar 11, 2021
Mar 11, 2021
Mar 11, 2021
Feb 10, 2021
Nov 30, 2020
Nov 3, 2020
Nov 3, 2020
Nov 3, 2020
Nov 3, 2020
Oct 28, 2020
Oct 7, 2020
Oct 7, 2020
Oct 7, 2020
Oct 7, 2020
Oct 7, 2020
Oct 7, 2020
Oct 7, 2020
Jun 19, 2007
Apr 10, 2006