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IP Verse

Silicone Elastomer-Hydrogel Hybrid Contact Lenses - EP3446158

The patent EP3446158 was granted to Coopervision on Jun 24, 2020. The application was filed on Apr 20, 2017 under application number EP17720213A. The patent is currently recorded with a legal status of "Revoked".

EP3446158

COOPERVISION
Application Number
EP17720213A
Filing Date
Apr 20, 2017
Status
Revoked
May 26, 2023
Publication Date
Jun 24, 2020
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
ALCONMar 24, 2021BREUER FRIEDRICH HAHNER PATENTANWALTE PARTG MBBADMISSIBLE

Patent Citations (21) New

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

Citation PhasePublication Number
DESCRIPTIONUS2008208335
DESCRIPTIONUS2014055741
DESCRIPTIONUS2015036100
DESCRIPTIONUS2015145155
DESCRIPTIONUS2015234204
DESCRIPTIONUS4099859
DESCRIPTIONUS8215770
DESCRIPTIONUS8348424
DESCRIPTIONUS8865789
DESCRIPTIONUS8874182
DESCRIPTIONUS9176332
DESCRIPTIONWO2014194431
INTERNATIONAL-SEARCH-REPORTWO2015073758
INTERNATIONAL-SEARCH-REPORTWO2016057867
OPPOSITIONUS2014303263
OPPOSITIONUS2015145155
OPPOSITIONUS7748844
OPPOSITIONUS8385998
OPPOSITIONUS8678584
OPPOSITIONUS8874182
OPPOSITIONWO2008052568

Dossier Documents

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    Description

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