Light Guide Film, Forgery Prevention Structure, And Forgery Prevention Article

Patent No. EP3470896 (titled "Light Guide Film, Forgery Prevention Structure, And Forgery Prevention Article") was filed by DAI Nippon Printing on Jun 13, 2017. The application was issued on Feb 17, 2021.

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
ORELL FUSSLINov 11, 2021E BLUM

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

EP3470896

DAI NIPPON PRINTING
Application Number
EP17813323A
Filing Date
Jun 13, 2017
Status
Granted And Under Opposition
Jan 15, 2021
Publication Date
Feb 17, 2021