Patent No. EP3013722 (titled "Delivery Device For A Sheet-Processing Machine, Method For Adjusting At Least One Brake Element Of A Sheet Brake, And Use Of An Unprinted Section Of A Print Substrate For Decelerating The Print Substrate") was filed by Koenig & Bauer on Dec 4, 2014. The application was issued on Mar 18, 2020.

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.