Patent No. EP3678649 (titled "Intranasal Epinephrine Formulations And Methods For The Treatment Of Disease") was filed by Aegis Therapeutics on Feb 6, 2019. The application was issued on Dec 21, 2022.

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 |
|---|---|---|
| AERA | Jul 24, 2023 | BARDEHLE PAGENBERG SL |
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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