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Resin Powder, Method Of And Device For Manufacturing A Solid Freeform Object

Patent No. EP3620283 (titled "Resin Powder, Method Of And Device For Manufacturing A Solid Freeform Object") was filed by Ricoh on Sep 3, 2019. The application was issued on Mar 30, 2022.

Patent Summary

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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 DateRepresentative
EVONIK OPERATIONSDec 28, 2022F & E PATENT
ARKEMA FRANCEDec 26, 2022BANDPAY & GREUTER

Dossier Documents

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EP3620283

RICOH
Application Number
EP19195017A
Filing Date
Sep 3, 2019
Status
Revoked
May 10, 2024
Publication Date
Mar 30, 2022
External Links
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