The weekly litigation news digest is live. Subscribe now

High Temperature Stable Aluminium Alloy - EP2553131

The patent EP2553131 was granted to Norsk Hydro ASA on May 8, 2019. The application was originally filed on Mar 30, 2011 under application number EP11763104A. The patent is currently recorded with a legal status of "Revoked".

EP2553131

NORSK HYDRO ASA
Application Number
EP11763104A
Filing Date
Mar 30, 2011
Status
Revoked
Mar 18, 2022
Publication Date
May 8, 2019
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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

Get instant alerts for new oppositions and patent status changes

TRIMET ALUMINIUMFeb 7, 2020FLACCUSADMISSIBLE
C TEC CONSTELLIUM TECHNOLOGY CENTER CONSTELLIUM EXTRUSION DECIN SRO CONSTELLIUM VALAISFeb 6, 2020CONSTELLIUM PROPRIETE INDUSTRIELLEADMISSIBLE

Patent Citations (36) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTJP2009084698
INTERNATIONAL-SEARCH-REPORTJPS56139646
INTERNATIONAL-SEARCH-REPORTJPS58167757
INTERNATIONAL-SEARCH-REPORTWO2011040453
OPPOSITIONDE102005060297
OPPOSITIONDE2103614
OPPOSITIONDE4421744
OPPOSITIONEP0676480
OPPOSITIONEP0687743
OPPOSITIONEP0936278
OPPOSITIONEP0987344
OPPOSITIONEP0997547
OPPOSITIONEP1041165
OPPOSITIONEP1104815
OPPOSITIONEP1614760
OPPOSITIONEP1715067
OPPOSITIONEP2003219
OPPOSITIONFR1602294
OPPOSITIONJP2003155535
OPPOSITIONJP2003181530
OPPOSITIONJP2004292937
OPPOSITIONJP2009084698
OPPOSITIONJPH086161B
OPPOSITIONJPS58167575
OPPOSITIONJPS58167757
OPPOSITIONUS3717512
OPPOSITIONUS4082578
OPPOSITIONUS5888320
OPPOSITIONUS6248189
OPPOSITIONUS6258465
OPPOSITIONWO02099151
OPPOSITIONWO2007094686
OPPOSITIONWO9527091
SEARCHJP2009084698
SEARCHUS6248189
SEARCHWO2011040453

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.

  • Date

    Description

  • Get instant alerts for new documents