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IP Verse

Method For Manufacturing Timepiece Hairsprings - EP3845770

The patent EP3845770 was granted to Sigatec on Jun 28, 2023. The application was filed on Aug 21, 2020 under application number EP20192120A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3845770

SIGATEC
Application Number
EP20192120A
Filing Date
Aug 21, 2020
Status
Granted And Under Opposition
May 26, 2023
Publication Date
Jun 28, 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
ICB INGENIEURS CONSEILS EN BREVETSMar 28, 2024HOFFMANN EITLEADMISSIBLE

Patent Citations (21) New

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

Citation PhasePublication Number
DESCRIPTIONEP1422436
DESCRIPTIONEP2423764
DESCRIPTIONEP3181938
DESCRIPTIONWO2015113973
EXAMINATIONEP3457224
OPPOSITIONEP2423764
OPPOSITIONEP3181938
OPPOSITIONJP2015179067
OPPOSITIONUS8782572
OPPOSITIONWO0072090
OPPOSITIONWO2005103827
OTHERCN105223773
OTHEREP1121622
OTHEREP1649323
OTHEREP2423764
OTHEREP3412625
OTHERUS2011127883
OTHERUS6136478
SEARCHEP3412625
SEARCHEP3457224
SEARCHEP3543796

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

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