IP Verse

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

EP3620283

RICOH
Application Number
EP19195017A
Filing Date
Sep 3, 2019
Status
Revoked
May 10, 2024
Grant Date
Mar 30, 2022
External Links
Slate, Register, Google Patents
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Biblio Summary

The patent EP3620283B1 was granted on Mar 30, 2022 by Ricoh The patent is currently Revoked.

Patent Oppositions filed by Competitors

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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EVONIK OPERATIONSDec 28, 2022 N/A
ARKEMA FRANCEDec 26, 2022 N/A

Patents Cited during Opposition New

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.

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OppositionUS5132143
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OppositionUS5527877
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OppositionUS2006246287
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OppositionWO2009135521
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OppositionUS7794647
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OppositionWO2013090174
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OppositionWO2013138204
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OppositionUS2016038633
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OppositionWO2017112723
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OppositionUS2006225252
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OppositionUS2016288206
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OppositionWO2007048536
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OppositionJP2017216016
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OppositionUS2834053
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OppositionUS2016304714
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OppositionJP2018167699
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OppositionJP2019150937
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OppositionEP3560685
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OppositionUS2019054690
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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.

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