Patent No. EP4101796 (titled "Winding Device For A Longitudinally Cut Material Sheet And System For Controlled Winding Of A Longitudinally Cut Material Sheet") was filed by FMS Force Measuring Systems on Jun 11, 2021. The application was issued on Aug 16, 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 |
|---|---|---|
| ACHENBACH BUSCHHUTTEN | May 16, 2024 | KARO |
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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