IP Verse

Liquid Crystal Composition And Liquid Crystal Display Element Using This Composition - EP2907864

The patent EP2907864 was granted to DIC on May 18, 2022. The application was originally filed on Mar 26, 2013 under application number EP13879958A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2907864

DIC
Application Number
EP13879958A
Filing Date
Mar 26, 2013
Status
Patent Maintained As Amended
Apr 15, 2022
Grant Date
May 18, 2022
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

MERCK PATENTOct 9, 2019RUSSELLADMISSIBLE

Patent Citations (21) New

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

Citation PhasePublication Number
DESCRIPTIONJP2002357830
DESCRIPTIONJP2006058755
DESCRIPTIONJP2008505235
DESCRIPTIONJPH06235925
INTERNATIONAL-SEARCH-REPORTJP2008505235
INTERNATIONAL-SEARCH-REPORTWO2011132451
INTERNATIONAL-SEARCH-REPORTWO2011152494
OPPOSITIONCN102604648
OPPOSITIONEP1873134
OPPOSITIONEP2578665
OPPOSITIONEP2955570
OPPOSITIONEP2977427
OPPOSITIONJP2004153915
OPPOSITIONJP2013021819
OPPOSITIONUS2013021568
OPPOSITIONUS2014028964
OPPOSITIONWO2011148928
OPPOSITIONWO2013178333
SEARCHDE102012004871
SEARCHWO2011148928
SEARCHWO2013004372

Non-Patent Literature (NPL) Citations (6) New

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

Citation PhaseReference Text
OPPOSITION- MELANIE KLASEN et al., "neu liquid-crystal materials for active matrix disolays with negatove dielectric anisotropy and low rotational viscosty", Jpn. J. Appl. Phys., (20000000), vol. 39, no. 11b, pages L1180 - L1182
OPPOSITION- "TFT Structure", DENG-KE YANG et al., Fundamentals of Liquid Crystal Devices, John Wiley &. Sons, (20060000), pages 278 - 281
OPPOSITION- "TFT Structure", DENG-KE YANG et al., Fundamentals of Liquid Crystal Devices, John Wiley &. Sons, (20060000), pages 278 - 281, XP055760366
OPPOSITION- W. E. Howard, "Thin-filmtransistor/ liquid crystal display technology— An introduction", IBM J. Res. Develop., (19920100), vol. 36, no. 1, pages 3 - 10
OPPOSITION- MELANIE KLASEN et al., "neu liquid-crystal materials for active matrix disolays with negatove dielectric anisotropy and low rotational viscosty", Jpn. J. Appl. Phys., (20000000), vol. 39, no. 11b, pages L1180 - L1182, XP055650676
OPPOSITION- W. E. Howard, "Thin-filmtransistor/ liquid crystal display technology— An introduction", IBM J. Res. Develop., (19920100), vol. 36, no. 1, pages 3 - 10, XP055760352

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