Patent No. EP4013385 (titled "Improved Lipid Nanoparticles For Delivery Of Nucleic Acids") was filed by Acuitas Therapeutics on Aug 14, 2020. The application was issued on Jul 3, 2024.

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 |
|---|---|---|
| ABEL & IMRAY | Apr 3, 2025 | ABEL & IMRAY |
| ARNASON FAKTOR | Apr 3, 2025 | ARNASON FAKTOR |
| MARGARET DIXON | Apr 3, 2025 | MEWBURN ELLIS |
| STRAWMAN | Apr 2, 2025 | HOFFMANN EITLE |
| GRAF VON STOSCH | Apr 1, 2025 | GRAF VON STOSCH PATENTANWALTSGESELLSCHAFT |
| JAMES POOLE | Nov 28, 2024 | CARPMAELS & RANSFORD |
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.
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