Patent No. EP2988942 (titled "Plate Carrier Having A Grid Pattern For A Self-Inking Stamp And Production Method") was filed by Colop Stempelerzeugung Skopek Gesellschaft on Apr 22, 2014. The application was issued on Jul 19, 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 |
|---|---|---|
| TRODAT | Mar 2, 2020 | RAU |
| SUN SAME ENTERPRISES | Feb 20, 2020 | BECKER KURIG & PARTNER PATENTANWALTE MBB |
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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