The weekly litigation news digest is live. Subscribe now

Cutter Head Arrangement - EP3894655

The patent EP3894655 was granted to Master Sinkers on Feb 26, 2025. The application was filed on Dec 11, 2019 under application number EP19897173A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3894655

MASTER SINKERS
Application Number
EP19897173A
Filing Date
Dec 11, 2019
Status
Granted And Under Opposition
Jan 24, 2025
Publication Date
Feb 26, 2025
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
KORNERNov 26, 2025-ADMISSIBLE

Patent Citations (29) New

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

Citation PhasePublication Number
DESCRIPTIONJP2017128843
DESCRIPTIONUS3379264
DESCRIPTIONWO2016116910
DESCRIPTIONWO2018055549
EXAMINATIONCN102400647
EXAMINATIONWO2016116910
EXAMINATIONWO2018055549
INTERNATIONAL-SEARCH-REPORTJP2017128843
INTERNATIONAL-SEARCH-REPORTJPH09105295
INTERNATIONAL-SEARCH-REPORTUS3379264
INTERNATIONAL-SEARCH-REPORTUS5022789
OPPOSITIONCN102400647
OPPOSITIONCN207761643U
OPPOSITIONDE3131201
OPPOSITIONDE3302117
OPPOSITIONJP2017128843
OPPOSITIONJPH09105295
OPPOSITIONUS3379264
OPPOSITIONUS5022789
OPPOSITIONWO2016116910
OPPOSITIONWO2018055549
OTHERCN102400647
OTHERCN212177139U
OTHERJP2017128843
OTHERJPH09105295
OTHERUS3379264
OTHERUS5022789
OTHERWO2016116910
OTHERWO2018055549

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.

  • Date

    Description

  • Get instant alerts for new documents