Patent No. EP3523755 (titled "Detection Method And Apparatus For Capturing Security Features In Deposit Systems") was filed by Quiss Qualitts Inspektionssysteme UND Service on Oct 4, 2017. The application was issued on Aug 28, 2024.

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 |
|---|---|---|
| DPG DEUTSCHE PFANDSYSTEM | May 28, 2025 | EISENFUHR SPEISER |
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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