IP Verse

Method Of Manufacturing Silicone Hydrogel Contact Lenses Having Reduced Rates Of Evaporation

Patent No. EP3430448 (titled "Method Of Manufacturing Silicone Hydrogel Contact Lenses Having Reduced Rates Of Evaporation") was filed by Coopervision on Jul 13, 2017. The application was issued on Jul 23, 2025.

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 DateRepresentative
JOHNSON & JOHNSON VISION CAREJul 2, 2020CARPMAELS & RANSFORD

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

EP3430448

COOPERVISION
Application Number
EP17745858A
Filing Date
Jul 13, 2017
Status
Patent Maintained As Amended
Jun 20, 2025
Publication Date
Jul 23, 2025
External Links
Slate, Register , Google Patents