Patent No. EP3523220 (titled "A Capsule, A System For Preparing A Potable Beverage From Such Capsule And Use Of Such A Capsule In A Beverage Preparation Device") was filed by Koninklijke Douwe Egberts on Oct 9, 2017. The application was issued on Mar 24, 2021.

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 |
|---|---|---|
| DELICA | Dec 23, 2021 | HEPP WENGER RYFFEL |
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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