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Patent No. EP2715892 (titled "Electrical Apparatus Having A Gas Insulation Containing A Fluorinated Compound") was filed by Schneider Electric Industries on Apr 27, 2012. The application was issued on Jul 26, 2017.

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 |
|---|---|---|
| HITACHI ENERGY | Apr 25, 2018 | AWA SWEDEN |
| SIEMENS | Apr 25, 2018 | RAUSCHER |
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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