Patent No. EP3630038 (titled "System, Apparatus And Method For Supporting And/Or Positioning A Patient Before, During, Or After A Medical Procedure") was filed by Mizuho Orthopedic Systems on May 29, 2018. The application was issued on Nov 23, 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.
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.