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Resin Powder For Solid Freeform Fabrication, Device For Solid Freeform Fabrication Object, And Method Of Manufacturing Solid Freeform Fabrication Object - EP3750943

The patent EP3750943 was granted to Ricoh on Apr 20, 2022. The application was filed on Jul 21, 2017 under application number EP20177083A. The patent is currently recorded with a legal status of "Revoked".

EP3750943

RICOH
Application Number
EP20177083A
Filing Date
Jul 21, 2017
Status
Revoked
Jun 27, 2025
Publication Date
Apr 20, 2022
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
EVONIK OPERATIONSJan 19, 2023F & E PATENTADMISSIBLE
ARKEMA FRANCEJan 18, 2023BANDPAY & GREUTERADMISSIBLE

Patent Citations (41) New

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

Citation PhasePublication Number
DESCRIPTIONUS6531086
OPPOSITIONEP1413595
OPPOSITIONEP2177557
OPPOSITIONEP2985269
OPPOSITIONEP3239214
OPPOSITIONEP3272788
OPPOSITIONEP3750943
OPPOSITIONJP2015500375
OPPOSITIONJP2016144862
OPPOSITIONJP2017043654
OPPOSITIONJP2017049036
OPPOSITIONJP2017111488
OPPOSITIONJP2017138268
OPPOSITIONUS2006246287
OPPOSITIONUS2008166496
OPPOSITIONUS2008258330
OPPOSITIONUS2009236775
OPPOSITIONUS2011143108
OPPOSITIONUS2013323416
OPPOSITIONUS2015336292
OPPOSITIONUS2016038633
OPPOSITIONUS2017260359
OPPOSITIONUS2834053
OPPOSITIONUS5527877
OPPOSITIONUS7794647
OPPOSITIONWO2007048536
OPPOSITIONWO2008057844
OPPOSITIONWO2009135521
OPPOSITIONWO2013090174
OPPOSITIONWO2013138204
OPPOSITIONWO2016084928
OPPOSITIONWO2016101942
OPPOSITIONWO2016104140
OTHERJP2017043654
OTHERJP2017111488
SEARCHEP2177557
SEARCHUS2013323416
SEARCHUS2016230021
SEARCHUS5342919
SEARCHUS8022168
SEARCHWO2015109143

Dossier Documents

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