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Bearing Apparatus And Vacuum Pump Apparatus - EP3981986

The patent EP3981986 was granted to Ebara on Feb 1, 2023. The application was originally filed on Dec 20, 2019 under application number EP21211707A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP3981986

EBARA
Application Number
EP21211707A
Filing Date
Dec 20, 2019
Status
Opposition Rejected
Sep 26, 2025
Publication Date
Feb 1, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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

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EDWARDSNov 1, 2023FORDADMISSIBLE

Patent Citations (12) New

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

Citation PhasePublication Number
DESCRIPTIONJPH0653793U
OPPOSITIONCH329135
OPPOSITIONCN201982654U
OPPOSITIONJP2010270656
OPPOSITIONJPS5579656U
OPPOSITIONUS1992818
OPPOSITIONUS2003002978
OPPOSITIONUS5338167
SEARCHCH329135
SEARCHCN1487202
SEARCHJPS5579656U
SEARCHUS1992818

Dossier Documents

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