Patent No. EP3781540 (titled "Procedure And Installation For Loading Boreholes With Bulk Water-Based Suspension Or Watergel Type Explosives") was filed by Maxamcorp on Apr 15, 2019. The application was issued on Jun 15, 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 |
|---|---|---|
| DYNO NOBEL | Mar 14, 2023 | CLEVELAND SCOTT YORK |
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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