Patent No. EP3727219 (titled "Moisture Detecting Base Plate For An Ostomy Appliance And A System For Determining Moisture Propagation In A Base Plate And/Or A Sensor Assembly Part") was filed by Coloplast on Dec 20, 2018. The application was issued on Aug 9, 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 |
|---|---|---|
| CONVATEC | May 9, 2024 | D YOUNG |
| HOLLISTER INCORPORATED | May 8, 2024 | FRKELLY |
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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