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Method For Manufacturing A Hairspring With A Predetermined Stiffness By Localised Removal Of Material - EP3181940B2

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EP3181940

CSEM CENTRE SUISSE DELECTRONIQUE ET DE MICROTECHNIQUE RECHERCHE ET DVELOPPEMENT
Application Number
EP15201341A
Filing Date
Dec 18, 2015
Status
Patent Maintained As Amended
Jun 2, 2023
Grant Date
Jul 5, 2023
External Links
Slate, Register, Google Patents
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Bibliography

The patent EP3181940B2 was granted to Csem Centre Suisse Delectronique ET DE Microtechnique Recherche ET Dveloppement on Jul 5, 2023 following the initial filing on Dec 18, 2015 under the application number EP15201341A . The current legal status of the patent is Patent Maintained As Amended.

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Patent Oppositions (2)

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.

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RICHEMONTNov 6, 2019 -
SIGATECNov 6, 2019 -

Dossier Documents

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

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