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IP Verse

Method For Manufacturing A Hairspring With Predetermined Stiffness By Adding Material - EP3181939

The patent EP3181939 was granted to Csem Centre Suisse Delectronique ET DE Microtechnique Recherche ET Dveloppement on Feb 20, 2019. The application was filed on Dec 18, 2015 under application number EP15201337A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3181939

CSEM CENTRE SUISSE DELECTRONIQUE ET DE MICROTECHNIQUE RECHERCHE ET DVELOPPEMENT
Application Number
EP15201337A
Filing Date
Dec 18, 2015
Status
Granted And Under Opposition
Jan 18, 2019
Publication Date
Feb 20, 2019
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
RICHEMONTNov 20, 2019GRUNECKER PATENTWITHDRAWN

Patent Citations (34) New

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

Citation PhasePublication Number
DESCRIPTIONEP1422436
DESCRIPTIONEP2423764
OPPOSITIONCH699780
OPPOSITIONCH702708
OPPOSITIONCH703051
OPPOSITIONCH705945
OPPOSITIONCH709516
OPPOSITIONCH709628
OPPOSITIONDE102013104248
OPPOSITIONEP1213628
OPPOSITIONEP1422436
OPPOSITIONEP1655642
OPPOSITIONEP1791039
OPPOSITIONEP2423764
OPPOSITIONEP2455825
OPPOSITIONEP2590325
OPPOSITIONEP2597536
OPPOSITIONEP2607974
OPPOSITIONFR1502464
OPPOSITIONJP2013197856
OPPOSITIONJP2015179067
OPPOSITIONUS3782169
OPPOSITIONWO2005109639
OPPOSITIONWO2007000271
OPPOSITIONWO2009068091
OPPOSITIONWO2011072960
OPPOSITIONWO2012007460
OPPOSITIONWO2013064351
OPPOSITIONWO2014203086
OPPOSITIONWO2015113973
SEARCHCH709516
SEARCHEP1213628
SEARCHEP2455825
SEARCHWO2012007460

Dossier Documents

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  • Date

    Description

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