Patent No. EP3806930 (titled "Safety Quick-Refill Compact Pump For Administering Drugs") was filed by Cane on Jun 10, 2019. The application was issued on Jul 26, 2023.

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 |
|---|---|---|
| AD HOC SCIENTIFIC | Apr 23, 2024 | CABINET NUSS |
| AD HOC SCIENTIFIC | Apr 23, 2024 | IPSILON |
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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