Patent No. EP2890821 (titled "Method And Production Facility For Producing A Hot-Formed Or Press-Hardened Shaped Sheet Metal Part With A Metallic Corrosion Protection Coating, Shaped Sheet Metal Part Produced Therewith And Motor Vehicle Body With Such Shaped Sheet Metal Part") was filed by Bayerische Motoren Werke on Aug 13, 2013. The application was issued on May 10, 2023.

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 |
|---|---|---|
| EWALD DORKEN | Oct 10, 2018 | VON ROHR |
| EWALD DORKEN | Oct 10, 2018 | VON ROHR PATENTANWALTE PARTNERSCHAFT 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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