Patent No. EP3770295 (titled "Manufacturing Method For Hot Stamping Component Having Aluminium-Silicon Alloy Coating, And Hot Stamping Component") was filed by Baoshan Iron & Steel on Sep 6, 2019. The application was issued on Aug 16, 2023.

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.
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