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Nanocellular Expanded Polymer Beads, Method Of Manufacture And Uses - EP4255973

The patent EP4255973 was granted to Cellmat SL on Oct 30, 2024. The application was originally filed on Dec 1, 2021 under application number EP21830618A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4255973

CELLMAT SL
Application Number
EP21830618A
Filing Date
Dec 1, 2021
Status
Granted And Under Opposition
Sep 27, 2024
Publication Date
Oct 30, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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.

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MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBBJul 29, 2025-ADMISSIBLE

Patent Citations (14) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONUS2681321
DESCRIPTIONUS4379859
DESCRIPTIONUS5703135
DESCRIPTIONUS6315931
INTERNATIONAL-SEARCH-REPORTEP3670586
INTERNATIONAL-SEARCH-REPORTUS2015203647
OPPOSITIONDE102013223391
OPPOSITIONEP3670586
OPPOSITIONUS2012225272
OPPOSITIONUS4379859
OPPOSITIONUS6315931
OPPOSITIONWO2015071463
OPPOSITIONWO2022117642
OTHERDE102013223391

Dossier Documents

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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    Description

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