EP3842561

ALERIS ROLLED PRODUCTS GERMANY
Application Number
EP19219448A
Filing Date
Dec 23, 2019
Status
Granted And Under Opposition
Jul 15, 2022
Grant Date
Aug 17, 2022
External Links
Slate, Register, Google Patents
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Biblio Summary

The patent EP3842561B1 was granted on Aug 17, 2022 by Aleris Rolled Products Germany The patent is currently Granted And Under Opposition.

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 DateOpposition Status

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ARCONICMay 16, 2023ADMISSIBLE
C TEC CONSTELLIUM TECHNOLOGY CENTERCONSTELLIUM ISSOIREMay 10, 2023ADMISSIBLE

Patent citations in opposition refer to prior patents or publications that may challenge the validity of a contested patent. These references help assess whether the invention is truly novel or overlaps with existing intellectual property.

Citation PhasePatent NumberPatent LinkCited Text
OppositionUS5213639
N/A
OppositionUS2016333453
N/A
OppositionWO2019222177
N/A
OppositionUS5560789
N/A
OppositionUS6322647
N/A
OppositionUS6994760
N/A
OppositionUS2012085470
N/A
OppositionCN102517526
N/A

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Dossier Documents of the Patent

The dossier documents provide a comprehensive record of the patent’s prosecution history, including filings, correspondence, and decisions made by patent offices. These documents are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination. It also includes the oppositions documents filed against the patent.