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Computerized Refraction And Astigmatism Determination

Patent No. EP3918974 (titled "Computerized Refraction And Astigmatism Determination") was filed by Opternative on Mar 3, 2014. The application was issued on Dec 13, 2023.

Patent Summary

A system for determining and providing corrective lenses prescriptions to patients without requiring a doctor visit. The system uses computerized screens to enable patients to select inputs to determine their astigmatism, sphere, and cylinder measurements. The inputs are made by selecting points on diagrams, adjusting figure sizes, and answering questions about near/far vision. The measurements are sent to doctors for review and approval. The system allows patients to determine and receive their own lens prescriptions via screens instead of going to an eye doctor's office.

UPC Cases New

Latest UPC cases involving this patent.

Case NumberFiling DatePlaintiffProceeding Type
UPC_COA_542/2025Jun 16, 2025Easee, Easee HoldingGeneric
UPC_CFI_14/2025Jan 10, 2025Easee, Easee HoldingCounter Claim For Revocation
UPC_CFI_525/2024Sep 12, 2024VisiblyInfringement

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
EASEE HEALTHSep 13, 2024ALGEMEEN OCTROOI EN MERKENBUREAU

Dossier Documents

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EP3918974

OPTERNATIVE
Application Number
EP21169939A
Filing Date
Mar 3, 2014
Status
Granted And Under Opposition
Nov 10, 2023
Publication Date
Dec 13, 2023