Patent No. EP3725497 (titled "Three-Dimensional Printer") was filed by Mark on Mar 21, 2014. The application was issued on Jul 3, 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 |
|---|---|---|
| HOFFMEISTER | Apr 2, 2025 | LORENZ SEIDLER GOSSEL |
| HOFFMEISTER | Apr 2, 2025 | THOMA |
| HERTIN UND PARTNER RECHTS | Apr 1, 2025 | HERTIN UND PARTNER RECHTS UND PATENTANWALTE PARTG MBB |
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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