Patent No. EP3228297 (titled "Pressure Waves Massage Apparatus") was filed by EIS on Oct 5, 2016. The application was issued on Jul 17, 2019.

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 |
|---|---|---|
| EROTICFEEL ECOMMPROJECTS INTERNET SL | Sep 26, 2024 | GROSSE SCHUMACHER KNAUER VON HIRSCHHAUSEN |
| EROTICFEEL ECOMMPROJECTS INTERNET SL | Sep 26, 2024 | MARKS & CLERK |
| LOVE DIGITAL FACTORY SPAIN | Apr 19, 2022 | BALDER LAW |
| LELO EUROPE | Apr 16, 2020 | GROSSE |
| LELO EUROPE | Apr 16, 2020 | MARKS & CLERK |
| FUN FACTORY | Apr 16, 2020 | HENTRICH PATENT & RECHTSANWALTSPARTNERSCHAFT 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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