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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 originally 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 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.

Company	Opposition Date	Representative	Opposition Status
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ICB INGENIEURS CONSEILS EN BREVETS	Mar 28, 2024	HOFFMANN EITLE	ADMISSIBLE

Patent Citations (21) New

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

Citation Phase	Publication Number
DESCRIPTION	EP1422436
DESCRIPTION	EP2423764
DESCRIPTION	EP3181938
DESCRIPTION	WO2015113973
EXAMINATION	EP3457224
OPPOSITION	EP2423764
OPPOSITION	EP3181938
OPPOSITION	JP2015179067
OPPOSITION	US8782572
OPPOSITION	WO0072090
OPPOSITION	WO2005103827
OTHER	CN105223773
OTHER	EP1121622
OTHER	EP1649323
OTHER	EP2423764
OTHER	EP3412625
OTHER	US2011127883
OTHER	US6136478
SEARCH	EP3412625
SEARCH	EP3457224
SEARCH	EP3543796

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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