Patent No. EP2470529 (titled "A 1-(1H-1,2,4-Triazol-1-Yl)Butan-2-Ol Derivative For Pharmaceutical Use, And The Use Of A 1-(1H-1,2,4-Triazol-1-Yl)Butan-2-Ol Derivate With Substantially Undefined Crystal Shape For Preparing Said 1-(1H-1,2,4-Triazol-1-Yl)Butan-2-Ol Derivative") was filed by Medichem S.A. on Jul 23, 2010. The application was issued on Nov 19, 2014.

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 |
|---|---|---|
| ISARPATENT PATENTANWALTE BEHNISCH BARTH CHARLES HASSA PECKMANN UND PARTNER MBB | Aug 19, 2015 | ISARPATENT |
| ACTAVIS GROUP PTC EHF | Aug 19, 2015 | HAMM&WITTKOPP PATENTANWÄLTE PARTMBB |
| FRKELLY | Aug 19, 2015 | FRKELLY |
| GILLARD, RICHARD EDWARD | Feb 18, 2015 | ELKINGTON AND FIFE |
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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