Electronic Paper Display Screen Light Guide Plate And Electronic Paper Display Screen

Patent No. EP3121628 (titled "Electronic Paper Display Screen Light Guide Plate And Electronic Paper Display Screen") was filed by Guangzhou OED on Feb 11, 2015. The application was issued on Jun 2, 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
E INKMar 2, 2022MATHYS & SQUIRE

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

EP3121628

GUANGZHOU OED
Application Number
EP15752879A
Filing Date
Feb 11, 2015
Status
Granted And Under Opposition
Apr 30, 2021
Publication Date
Jun 2, 2021