Patent No. EP2823543 (titled "Method For Using An Electrical Unit") was filed by ABB Schweiz on Mar 11, 2013. The application was issued on Oct 5, 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 |
|---|---|---|
| GE ENERGY POWER CONVERSION TECHNOLOGY | Jul 4, 2017 | RUGER ABEL PATENTANWALTE PARTGMBB |
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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