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IP Verse

Method For Production Of Articles And Semi-Finished Products Made Of Cellulose Acetate - EP4065331

The patent EP4065331 was granted to HC on Jun 28, 2023. The application was filed on Nov 10, 2020 under application number EP20817069A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4065331

HC
Application Number
EP20817069A
Filing Date
Nov 10, 2020
Status
Granted And Under Opposition
May 26, 2023
Publication Date
Jun 28, 2023
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.

CompanyOpposition DateRepresentativeOpposition Status
MAZZUCCHELLIMar 28, 2024FAGGIONIADMISSIBLE

Patent Citations (8) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTFR2711079
INTERNATIONAL-SEARCH-REPORTGB205463
INTERNATIONAL-SEARCH-REPORTITPD20080180
OPPOSITIONEP0267409
OPPOSITIONEP2871035
OPPOSITIONFR2711079
OPPOSITIONGB205463
OPPOSITIONWO9417987

Dossier Documents

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    Description

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