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Al-Mg-Si Aluminium Alloy With Improved Properties - EP3339457

The patent EP3339457 was granted to Norsk Hydro ASA on Mar 11, 2020. The application was originally filed on Apr 25, 2013 under application number EP18151559A. The patent is currently recorded with a legal status of "Revoked".

EP3339457

NORSK HYDRO ASA
Application Number
EP18151559A
Filing Date
Apr 25, 2013
Status
Revoked
Jul 31, 2024
Publication Date
Mar 11, 2020
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (4)

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

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KNAUF INSULATIONDec 11, 2020GESTHUYSEN PATENTANWALTEADMISSIBLE
C TEC CONSTELLIUM TECHNOLOGY CENTER CONSTELLIUM SINGENDec 9, 2020CONSTELLIUM PROPRIETE INDUSTRIELLEADMISSIBLE
HAMMERER ALUMINIUM INDUSTRIES EXTRUSIONOct 20, 2020WIRNSBERGER & LERCHBAUMADMISSIBLE
HAMMERER ALUMINIUM INDUSTRIES EXTRUSIONOct 20, 2020WIRNSBERGER & LERCHBAUM PATENTANWALTEADMISSIBLE

Patent Citations (19) New

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

Citation PhasePublication Number
OPPOSITIONDE19830560
OPPOSITIONEP1081242
OPPOSITIONEP2003219
OPPOSITIONEP2072628
OPPOSITIONJP2002256368
OPPOSITIONJP2003155535
OPPOSITIONJP2003181530
OPPOSITIONJP2011225988
OPPOSITIONJPH01225756
OPPOSITIONJPH086161
OPPOSITIONKR101103290B
OPPOSITIONUS2009000705
OPPOSITIONWO9744501
SEARCHEP2003219
SEARCHEP2088216
SEARCHJP2003181530
SEARCHJP2011208251
SEARCHJPH01225756
SEARCHWO2007094686

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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