Patent No. EP3910384 (titled "Indicator Body And Labeled Printed Matter") was filed by Toppan Printing on Jan 7, 2020. The application was issued on Sep 20, 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.
| Company | Opposition Date | Representative |
|---|---|---|
| GIESECKEDEVRIENT CURRENCY TECHNOLOGY | Jun 20, 2024 | PATENTANWALTE GEYER |
| HUECK FOLIEN GESELLSCHAFT | Jun 14, 2024 | BURGER |
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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