Patent No. EP2964449 (titled "Method And Device For Evaluating The Quality Of A Component Produced By Means Of An Additive Laser Sintering And/Or Laser Melting Method") was filed by MTU Aero Engines on Feb 27, 2014. The application was issued on May 30, 2018.

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 |
|---|---|---|
| ARCAM | Feb 28, 2019 | HAFNER & KOHL PARTMBB |
| RENISHAW | Feb 28, 2019 | 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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