IP Verse

Dental Powder-Jet Handpiece - EP4162895

The patent EP4162895 was granted to Guilin Woodpecker Medical Instrument on Nov 27, 2024. The application was originally filed on Jan 20, 2022 under application number EP22732379A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4162895

GUILIN WOODPECKER MEDICAL INSTRUMENT
Application Number
EP22732379A
Filing Date
Jan 20, 2022
Status
Granted And Under Opposition
Oct 25, 2024
Grant Date
Nov 27, 2024
External Links
Slate, Register, Google Patents

Patent Summary

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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 DateOpposition Status

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FERTON HOLDINGAug 21, 2025ADMISSIBLE

Patent Citations (22) New

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

Citation PhasePublication NumberPublication Link
INTERNATIONAL-SEARCH-REPORTCN107427337
INTERNATIONAL-SEARCH-REPORTCN112107381
INTERNATIONAL-SEARCH-REPORTCN113017865
INTERNATIONAL-SEARCH-REPORTCN113143517
INTERNATIONAL-SEARCH-REPORTCN113476156
INTERNATIONAL-SEARCH-REPORTCN215458798U
INTERNATIONAL-SEARCH-REPORTUS2018071051
INTERNATIONAL-SEARCH-REPORTWO2008115129
OPPOSITIONCN101385886B
OPPOSITIONDE102016118081
OPPOSITIONEP0726737
OPPOSITIONEP2193758
OPPOSITIONJPH11104149
OPPOSITIONKR20190131051
OPPOSITIONUS3852918
OPPOSITIONUS5857851
OPPOSITIONUS6083001
OPPOSITIONUS6106288
OPPOSITIONWO02074180
OPPOSITIONWO9635390
SEARCHCN111588488
SEARCHCN112773523

Non-Patent Literature (NPL) Citations (1) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- Skinner Steve, "Leitfaden zur Auswahl eines manuellen hydraulischen Wegeventils", files.webtec.com, (20160701), files.webtec.com, URL: http://files.webtec.com/DIRVAL-ED-GER-3539.pdf, XP093306792-

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Dossier Documents

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

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