Patent No. EP3702157 (titled "Method And Device For Accurately Laying Sheets") was filed by Wemhner Surface on Feb 21, 2020. The application was issued on Oct 20, 2021.

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 |
|---|---|---|
| DIEFFENBACHER MASCHINENFABRIK | Jul 20, 2022 | HARTDEGEN |
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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