Patent No. EP2265251 (titled "Pharmaceutical Compositions Having Desirable Bioavailability") was filed by Alcon Research on Mar 13, 2009. The application was issued on May 27, 2015.

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 |
|---|---|---|
| GENERICS UK TRADING MYLAN | Feb 29, 2016 | GILL JENNINGS & EVERY |
| ALFRED E TIEFENBACHER | Feb 16, 2016 | HAMM&WITTKOPP PATENTANWÄLTE PARTMBB |
| POHLMAN | Feb 12, 2016 | GREINER |
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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