The weekly litigation news digest is live. Subscribe now
The patent EP4281504 was granted to Biome Bioplastics on Jan 17, 2024. The application was originally filed on Oct 27, 2022 under application number EP22812541A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2012107630 |
| INTERNATIONAL-SEARCH-REPORT | US2018334564 |
| INTERNATIONAL-SEARCH-REPORT | US2022002504 |
| OPPOSITION | CN102731976 |
| OPPOSITION | CN104479304 |
| OPPOSITION | US5883199 |
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
Nov 7, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Jan 17, 2025
Jan 16, 2025
Jan 16, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Oct 31, 2024
Oct 31, 2024
Oct 23, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 14, 2024
Jan 30, 2024
Dec 21, 2023
Decision to grant a European patent
Search/Exam
Dec 4, 2023
Nov 30, 2023
(Electronic) Receipt
Search/Exam
Nov 30, 2023
Letter accompanying subsequently filed items
Search/Exam
Nov 28, 2023
(Electronic) Receipt
Search/Exam
Nov 28, 2023
French translation of claims
Search/Exam
Nov 28, 2023
German translation of the claims
Search/Exam
Nov 28, 2023
Letter accompanying subsequently filed items
Search/Exam
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Intention to grant (signatures)
Search/Exam
Nov 16, 2023
Text intended for grant (clean copy)
Search/Exam
Nov 16, 2023
Nov 2, 2023
Oct 30, 2023
Examination started
Search/Exam
Oct 23, 2023
Oct 11, 2023
Oct 9, 2023
Oct 5, 2023
Copy of the international search report
Search/Exam
Oct 5, 2023
Published international application - A1
Search/Exam
Sep 20, 2023
Aug 25, 2023
(Electronic) Receipt
Search/Exam
Aug 25, 2023
Aug 25, 2023
Amended claims with annotations
Search/Exam
Aug 25, 2023
Amendments received before examination
Search/Exam
Aug 25, 2023
Annex
Search/Exam
Aug 25, 2023
Annex
Search/Exam
Aug 25, 2023
Annex
Search/Exam
Aug 25, 2023
Aug 25, 2023
Copy of the international search report
Search/Exam
Aug 25, 2023
Request for entry into the European phase
Search/Exam
Aug 25, 2023
Submission concerning representation
Search/Exam
Feb 1, 2023
(Electronic) Receipt
PCTRO
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Dec 8, 2022
Dec 7, 2022
Dec 7, 2022
Dec 2, 2022
Oct 27, 2022
(Electronic) Receipt
PCTRO
Oct 27, 2022
Abstract
PCTRO
Oct 27, 2022
Claims
PCTRO
Oct 27, 2022
Description
PCTRO
Oct 27, 2022
Oct 27, 2022
Drawings
PCTRO
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022