Compound For Organic Electroluminescent Device And Organic Electroluminescent Device - EP2138486

The patent EP2138486 was granted to Nippon Steel Chemical on Oct 19, 2022. The application was originally filed on Mar 24, 2008 under application number EP08738758A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2138486

NIPPON STEEL CHEMICAL
Application Number
EP08738758A
Filing Date
Mar 24, 2008
Status
Patent Maintained As Amended
Sep 16, 2022
Grant Date
Oct 19, 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 PATENTJul 30, 2018- -

Patent Citations (31) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONJP2001313178
DESCRIPTIONJP2003515897
DESCRIPTIONJP2006076901
DESCRIPTIONWO03078541
DESCRIPTIONWO2005076668
EXAMINATIONJP2005186607
EXAMINATIONJPS4954387
INTERNATIONAL-SEARCH-REPORTJP2004500455
INTERNATIONAL-SEARCH-REPORTJP2005186607
INTERNATIONAL-SEARCH-REPORTJP2006080271
INTERNATIONAL-SEARCH-REPORTJP2007077033
INTERNATIONAL-SEARCH-REPORTJP2007180147
INTERNATIONAL-SEARCH-REPORTJPS4954387
INTERNATIONAL-SEARCH-REPORTWO03078541
INTERNATIONAL-SEARCH-REPORTWO2005076668
INTERNATIONAL-SEARCH-REPORTWO2007063754
INTERNATIONAL-SEARCH-REPORTWO2008056746
OPPOSITIONEP1486550
OPPOSITIONEP2080762
OPPOSITIONJP2004171808
OPPOSITIONJP2006080271
OPPOSITIONJP2006303733
OPPOSITIONJP2006306783
OPPOSITIONWO0149769
OTHEREP2080762
SEARCHEP1486550
SEARCHEP1715728
SEARCHEP1718121
SEARCHEP1956022
SEARCHEP2080762
SEARCHUS2005221124

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 TextLink
EXAMINATION- ZAPLISHNYI V N, "REACTION OF CYANURIC CHLORIDE", CHEMISTRY OF HETEROCYCLIC COMPOUNDS, SPRINGER NEW YORK LLC, US, (19790101), vol. 4, ISSN 0009-3122, pages 558 - 561, XP001080770-
OPPOSITION- BALDO et al., "Phosphorescent materials for application to organic light emitting devices", Pure Appl. Chem., (19990000), vol. 71, no. 11, pages 2095 - 2106-
OPPOSITION- experimental report 'Synthesis of H-2'-
OPPOSITION- "Quantum calculations", Dr. Nils Koenen, Merck KGaA-
OPPOSITION- "Quantumchemical calculations", Dr. Charlotte Walter, Merck KGaA-
OPPOSITION- BALDO et al., "Phosphorescent materials for application to organic light emitting devices", Pure Appl. Chem., (19990000), vol. 71, no. 11, pages 2095 - 2106, XP001182482

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