Patent No. EP2398925 (titled "Quenching Machine And Method For Fixture Quenching By Induction") was filed by EMA Indutec on Feb 18, 2010. The application was issued on Jul 31, 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 |
|---|---|---|
| EFD INDUCTION | Feb 28, 2020 | GEITZ PATENTANWALTE PARTG MBB |
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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