Patent No. EP2644725 (titled "Aluminum Alloy Forged Material For Automobile And Method For Manufacturing The Same") was filed by Kabushiki Kaisha Kobe Seiko SHO Kobe Steel on Mar 27, 2013. The application was issued on Sep 16, 2015.

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 |
|---|---|---|
| BHARAT FORGE ALUMINIUMTECHNIK GMBH | Jun 15, 2016 | HOFFMANN EITLE |
| FRIED V NEUMAN | Jun 15, 2016 | LEINWEBER & ZIMMERMANN |
| OTTO FUCHS KG | Jun 14, 2016 | HAVERKAMP |
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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