Patent No. EP2604298 (titled "Multipurpose Solutions For Contact Lens Care Comprising Chamomile") was filed by Demo Pharmaceutical Industry on Dec 15, 2011. The application was issued on Mar 30, 2016.

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 |
|---|---|---|
| UNI-PHARMA KLEON TSETIS PHARMACEUTICAL LABORATORIES S.A. | Dec 19, 2016 | WIBBELMANN |
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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