Patent No. EP3976892 (titled "Monitoring Ground Engaging Products For Earth Working Equipment") was filed by Esco Group on May 29, 2020. The application was issued on Oct 16, 2024.

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 |
|---|---|---|
| METALOGENIA RESEARCH & SL | Jul 15, 2025 | BARDEHLE PAGENBERG SL |
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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