The Weekly Litigation News Digest is now live. Subscribe now

IP Verse

Silicone Elastomer-Silicone Hydrogel Hybrid Contact Lenses - EP3446159

The patent EP3446159 was granted to Coopervision on Jun 14, 2023. The application was originally filed on Apr 20, 2017 under application number EP17720214A. The patent is currently recorded with a legal status of "Revoked".

EP3446159

COOPERVISION
Application Number
EP17720214A
Filing Date
Apr 20, 2017
Status
Revoked
Mar 14, 2025
Publication Date
Jun 14, 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

Get instant alerts for new oppositions and patent status changes

ALCONMar 13, 2024BREUERADMISSIBLE

Patent Citations (27) New

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

Citation PhasePublication Number
DESCRIPTIONUS2008208335
DESCRIPTIONUS2014055741
DESCRIPTIONUS2014276481
DESCRIPTIONUS2015036100
DESCRIPTIONUS2015145155
DESCRIPTIONUS2015234204
DESCRIPTIONUS4099859
DESCRIPTIONUS8215770
DESCRIPTIONUS8298392
DESCRIPTIONUS8348424
DESCRIPTIONUS8865789
DESCRIPTIONUS8874182
DESCRIPTIONUS8979261
DESCRIPTIONUS9156214
DESCRIPTIONUS9176332
DESCRIPTIONUS9278489
DESCRIPTIONWO2014194431
INTERNATIONAL-SEARCH-REPORTWO2015073758
INTERNATIONAL-SEARCH-REPORTWO2016175950
OPPOSITIONEP2033044
OPPOSITIONUS6213604
OPPOSITIONUS8298392
OPPOSITIONUS8385998
OPPOSITIONUS8678584
OPPOSITIONUS8874182
OPPOSITIONUS9062180
OPPOSITIONWO2018109492

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

  • Get instant alerts for new documents