Light-Diffusible Resin Composition - EP2829574

The patent EP2829574 was granted to Teijin on Sep 19, 2018. The application was originally filed on Feb 26, 2013 under application number EP13764049A. The patent is currently recorded with a legal status of "Revoked".

EP2829574

TEIJIN
Application Number
EP13764049A
Filing Date
Feb 26, 2013
Status
Revoked
Jan 12, 2024
Grant Date
Sep 19, 2018
External Links
Slate, Register, Google Patents

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 DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

SABICJun 17, 2019SABIC GROUP -

Patent Citations (33) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
DESCRIPTIONJP2001214049
DESCRIPTIONJP2001323149
DESCRIPTIONJP2007016079
DESCRIPTIONJP2007302793
DESCRIPTIONJPH04272957
DESCRIPTIONJPH06220210
DESCRIPTIONJPH07233160
DESCRIPTIONJPH08188653
DESCRIPTIONJPH0995583
DESCRIPTIONJPH1046022
DESCRIPTIONJPH1129679
DESCRIPTIONJPS60258263
DESCRIPTIONJPS6145520
DESCRIPTIONJPS63154744
DESCRIPTIONWO2004076541
INTERNATIONAL-SEARCH-REPORTJP2006518803
INTERNATIONAL-SEARCH-REPORTJP2006523243
INTERNATIONAL-SEARCH-REPORTJP2011102364
INTERNATIONAL-SEARCH-REPORTJPH1046022
OPPOSITIONEP0604130
OPPOSITIONEP2578636
OPPOSITIONJP2006063121
OPPOSITIONJP2009191226
OPPOSITIONJP2011102364
OPPOSITIONJP2011144219
OPPOSITIONJPH1046022
OPPOSITIONUS2004066645
OPPOSITIONUS2005187372
OPPOSITIONUS2010149644
OPPOSITIONUS2014233243
SEARCHEP2801589
SEARCHJPH1046022
SEARCHUS2005187372

Non-Patent Literature (NPL) Citations (2) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- E. Elif Gurel, Phil M. Peters, John Graf, "Development of polycarbonate diffuser films for liquid crystal displays", ANTEC 2007/ 1172, (20070000), pages 1 - 5, XP055616861-
OPPOSITION- Xing Ouyang, Peibin Li, Dazhu Chen, Jiaoning Tang, "Light-diffusing materials for LED illumination applications: Comparingthe effectiveness of two typical light-diffusing agents", J. Appl. Poly. Sci., (20160000), pages 42923-1 - 42923-8, XP055616854

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

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