Patent No. EP3405333 (titled "Method Of Working For Processing Scrap Metal On A Scrap-Metal Recycling Site, And Shearing Press Or Press Or Shears Employed In This Method") was filed by Presses ET Cisailles Lefort on Jan 9, 2017. The application was issued on Sep 28, 2022.

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 |
|---|---|---|
| C&G | Jun 28, 2023 | PETRAZ |
| LINDEMANN GERMANY | Jun 28, 2023 | HOFFMANN EITLE |
| LOURITEX | Mar 13, 2023 | COSTA PINTO |
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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