Device For Determining Predicted Subjective Refraction Data Or Predicted Subjective Correction Data And Computer Program

Patent No. EP3321831 (titled "Device For Determining Predicted Subjective Refraction Data Or Predicted Subjective Correction Data And Computer Program") was filed by Carl Zeiss on Nov 14, 2016. The application was issued on Jun 26, 2019.

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Patent Oppositions (3)

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
CARL ZEISS VISIONMar 26, 2020ZERBIB
ESSILORMar 26, 2020ZERBIB
RODENSTOCKMar 25, 2020MULLER BORE & PARTNER PATENTANWALTE PARTG MBB

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EP3321831

CARL ZEISS
Application Number
EP16198607A
Filing Date
Nov 14, 2016
Status
Revoked
Jul 8, 2022
Publication Date
Jun 26, 2019