Patent No. EP2293834 (titled "Fluid Discharge Head") was filed by Meadwestvaco Calmar on May 26, 2009. The application was issued on Aug 22, 2018.
Fluid discharge head for a discharge device, comprising a fluid medium under pressure, wherein the head includes a media pump and a counterpart attachment for improved handling.

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 |
|---|---|---|
| APTAR RADOLFZELL | May 7, 2019 | WITTE |
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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