Patent No. EP2400950 (titled "Pharmaceutical Formulations Comprising 4-{(1R)-2- [(6-{2-[(2,6-Dichlorobenzyl)Oxy] Ethoxy}Hexyl)Amino]-1-Hydroxyethyl}-2- (Hydroxymethyl)Phenol") was filed by Glaxo Group on Feb 26, 2009. The application was issued on May 22, 2019.

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 |
|---|---|---|
| SANDOZ | Feb 24, 2020 | MAIWALD |
| HGF | Feb 21, 2020 | HGF |
| NEDERLANDSCH OCTROOIBUREAU | Feb 21, 2020 | NEDERLANDSCH OCTROOIBUREAU |
| TEVA PHARMACEUTICALS | Feb 21, 2020 | ELKINGTON AND FIFE |
| AERA | Feb 20, 2020 | AERA |
| AERA | Feb 20, 2020 | BARDEHLE PAGENBERG SL |
| GILL JENNINGS & EVERY | Feb 20, 2020 | GILL JENNINGS & EVERY |
| DEHNS | Feb 18, 2020 | DEHNS |
| ARVEN ILAC SANAYI VE TICARET | Feb 14, 2020 | SOYLU |
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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