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Patent No. EP3628516 (titled "Modular Air-Conditioning Device For A Motor Vehicle And Method For Preconfiguring A Modular Air Conditioning Device") was filed by MAN Truck & BUS on Sep 20, 2019. The application was issued on Mar 30, 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.
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