Patent No. EP3224025 (titled "Apparatus For Producing An Object By Means Of Additive Manufacturing And Method For Calibrating An Apparatus") was filed by Additive Industries on Nov 24, 2015. The application was issued on Jul 17, 2019.

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 |
|---|---|---|
| NIKON SLM SOLUTIONS | Apr 17, 2020 | MOOSER |
| RENISHAW | Apr 17, 2020 | MATTHEWS |
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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