Patent No. EP2427666 (titled "Raceway Element For A Large Roller Bearing And Bearing Assembly") was filed by Aktiebolaget SKF on May 6, 2010. The application was issued on Jul 12, 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 |
|---|---|---|
| LIEBHERR COMPONENTS BIBERACH | Apr 12, 2018 | THOMA |
| THYSSENKRUPP ROTHE ERDE GERMANY | Apr 12, 2018 | COHAUSZ & FLORACK |
| IMO HOLDING | Apr 6, 2018 | SCHMIDT |
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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