Patent No. EP3530740 (titled "Thraustochytrids, Fatty Acid Compositions, And Methods Of Making And Uses Thereof") was filed by DSM Assets on Mar 19, 2009. The application was issued on Jul 28, 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 |
|---|---|---|
| MARA RENEWABLES | Apr 9, 2023 | REDDIE & GROSE |
| ALGAL OMEGA | Mar 17, 2023 | REDDIE & GROSE |
| ELKINGTON AND FIFE | Apr 28, 2022 | BECK GREENER |
| FERMENTALG | Apr 28, 2022 | BE |
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
Jan 28, 2026
Jan 23, 2026
Jan 23, 2026
Jan 23, 2026
Jan 23, 2026
Jan 23, 2026
Nov 21, 2025
Jun 4, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Apr 22, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Mar 27, 2025
Mar 27, 2025
Mar 27, 2025
Mar 27, 2025
Mar 27, 2025
Mar 24, 2025
Mar 6, 2025
Jan 29, 2025
Jan 29, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Dec 9, 2024
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Oct 2, 2024
Oct 2, 2024
Oct 2, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 25, 2024
Sep 24, 2024
Sep 24, 2024
Sep 24, 2024
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
May 28, 2024
May 28, 2024
May 28, 2024
May 28, 2024
May 27, 2024
May 27, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 23, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 21, 2024
Mar 27, 2024
Mar 26, 2024
Mar 26, 2024
Mar 26, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 23, 2024
Mar 23, 2024
Mar 23, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 20, 2024
Mar 20, 2024
Mar 20, 2024
Mar 11, 2024
Mar 11, 2024
Mar 11, 2024
Mar 11, 2024
Feb 19, 2024
Feb 19, 2024
Feb 19, 2024
Feb 13, 2024
Feb 13, 2024
Feb 13, 2024
Jan 26, 2024
Jan 26, 2024
Jan 26, 2024
Jan 26, 2024
Jan 26, 2024
Jan 26, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Nov 23, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 17, 2023
Nov 17, 2023
Nov 17, 2023
Nov 17, 2023
Nov 17, 2023
Nov 17, 2023
Nov 17, 2023
Nov 17, 2023
Nov 17, 2023
Nov 17, 2023
Nov 17, 2023
Nov 17, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 13, 2023
Nov 13, 2023
Nov 13, 2023
Nov 13, 2023
Nov 10, 2023
Nov 10, 2023
Nov 10, 2023
Nov 10, 2023
Nov 10, 2023
Nov 10, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 8, 2023
Nov 8, 2023
Nov 8, 2023
Nov 8, 2023
Nov 8, 2023
Nov 8, 2023
Nov 8, 2023
Nov 3, 2023
Nov 3, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 24, 2023
Oct 24, 2023
Oct 24, 2023
Oct 24, 2023
Sep 27, 2023
Sep 27, 2023
Sep 27, 2023
Sep 27, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 12, 2023
Sep 12, 2023
Sep 12, 2023
Sep 8, 2023
Sep 5, 2023
Sep 5, 2023
Sep 5, 2023
Sep 5, 2023
Jun 8, 2023
Jun 8, 2023
Jun 8, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
May 30, 2023
May 30, 2023
May 30, 2023
May 30, 2023
May 23, 2023
May 23, 2023
May 23, 2023
May 17, 2023
May 17, 2023
May 17, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 12, 2023
May 12, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 9, 2023
Apr 9, 2023
Apr 9, 2023
Apr 9, 2023
Apr 9, 2023
Apr 9, 2023
Apr 9, 2023
Apr 9, 2023
Mar 23, 2023
Mar 23, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Feb 2, 2023
Jan 30, 2023
Jan 30, 2023
Jan 30, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Sep 27, 2022
Sep 27, 2022
Sep 27, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 9, 2022
Sep 9, 2022
Sep 9, 2022
Sep 9, 2022
Sep 9, 2022
Sep 9, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
May 11, 2022
May 11, 2022
May 11, 2022
May 11, 2022
May 4, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 28, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Aug 10, 2021
Jul 1, 2021
Jun 17, 2021
Jun 17, 2021
Jun 17, 2021
Jun 17, 2021
Jun 17, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 15, 2021
Jan 14, 2021
Dec 23, 2020
Dec 4, 2020
Dec 3, 2020
Nov 30, 2020
Nov 30, 2020
Nov 30, 2020
Nov 30, 2020
Nov 30, 2020
Nov 30, 2020
Nov 30, 2020
Nov 27, 2020
Nov 27, 2020
Nov 27, 2020
Nov 27, 2020
Nov 27, 2020
Nov 27, 2020
Nov 27, 2020
Oct 16, 2020
Oct 13, 2020
Oct 6, 2020
Oct 6, 2020
Sep 23, 2020
Sep 23, 2020
Sep 23, 2020
Jul 29, 2020
Jul 22, 2020
Jul 22, 2020
Mar 13, 2020
Mar 13, 2020
Mar 9, 2020
Feb 25, 2020
Feb 25, 2020
Feb 25, 2020
Sep 2, 2019
Jul 31, 2019
Jun 21, 2019
Jun 21, 2019
Jun 21, 2019
Jun 21, 2019
Apr 25, 2019
Feb 5, 2019
Dec 11, 2018
Dec 5, 2018
Nov 26, 2018
Nov 26, 2018
Nov 26, 2018
Nov 26, 2018
Nov 26, 2018
Oct 3, 2018
Oct 3, 2018
Oct 3, 2018
Oct 3, 2018
Oct 3, 2018
Oct 3, 2018
Oct 3, 2018
Oct 3, 2018
Oct 3, 2018
Oct 3, 2018
Oct 3, 2018
Oct 3, 2018
Oct 3, 2018