Patent No. EP3538293 (titled "Method For The Additive Manufacture Of Components In Layers, And Corresponding Computer Program Product") was filed by Trumpf Laser UND Systemtechnik on Nov 3, 2017. The application was issued on Jul 13, 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 |
|---|---|---|
| NIKON SLM SOLUTIONS | Apr 13, 2023 | SCHICKER |
| RENISHAW | Apr 13, 2023 | 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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