IP Verse

High Strength Cold Rolled Steel Sheet And Method Of Producing Such Steel Sheet - EP2831299

The patent EP2831299 was granted to Kobe Steel on Apr 29, 2020. The application was originally filed on Apr 2, 2013 under application number EP13717208A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2831299

KOBE STEEL
Application Number
EP13717208A
Filing Date
Apr 2, 2013
Status
Patent Maintained As Amended
Mar 27, 2020
Publication Date
Apr 29, 2020
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

TATA STEEL IJMUIDENJun 12, 2018GROUP SERVICESADMISSIBLE

Patent Citations (13) New

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

Citation PhasePublication Number
DESCRIPTIONUS2009238713
EXAMINATIONUS2008251161
INTERNATIONAL-SEARCH-REPORTJP2004332099
INTERNATIONAL-SEARCH-REPORTWO2011118126
INTERNATIONAL-SEARCH-REPORTWO2011148490
OPPOSITIONCA2713195
OPPOSITIONEP2831299
OPPOSITIONGB2452230
OPPOSITIONGB2493302
OPPOSITIONJP2004332099
OPPOSITIONWO2013144373
OPPOSITIONWO2013144376
OPPOSITIONWO2013144377

Non-Patent Literature (NPL) Citations (11) 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
DESCRIPTION- F.S. LEPERA, "Improved etching technique for the determination of percent martensite in high- strength dual-phase steels", METALLOGRAPHY, (197909), vol. 12, no. 3, pages 263 - 268
DESCRIPTION- ISIJ INTERNATIONAL, (2010), vol. 50, no. 1, pages 162 - 168
EXAMINATION- ASEEL AL-HAMDANY ET AL, "Estimation of the Volume Percent of Normal and Nanostructured Bainite in Bainitic Steels", MATERIALS TODAY: PROCEEDINGS, (20150101), vol. 2, doi:10.1016/j.matpr.2015.05.052, ISSN 2214-7853, pages S373 - S382, XP055303956
OPPOSITION- A. PICHLER et al., "High-strength hot-dip galvanized steel grades: a critical comparison of alloy design, line configuration and properties", 8th International Rolling Conference and International Symosium on Zinc-Coated Steels, (20020908), pages 121 - 137, XP055496356
OPPOSITION- "Cold-Rolled Steel Strip Range of supply", voestalpine steel Division, (20180400), XP055496329
OPPOSITION- E. ATZEMA et al., "A EUROPEAN ROUND ROBIN TEST FOR THE HOLE EXPANSION TEST ACCORDING TO ISO 16630", European Round Robin Test for the Hole Expansion Test According to ISO, (20120000), XP055496315
OPPOSITION- E. BERGER et al., "High Ductility AHSS", Forming in Car Body Engineering 2012, (20120803), XP055496368
OPPOSITION- M. KRIEGER et al., "Effect of alloy composition and processing on microstructure and properties of multiphase steels", (20090300), pages 76 - 89, XP055496318
OPPOSITION- S. MATSUOKA et al., "Newly-Developed Ultra-High Tensile Strength Steels with Excellent Formability and Weldability", JFI Technical Report, (20071200), vol. 10, pages 13 - 18, XP055496317
OPPOSITION- S. PAUL, "Entwicklung neuer Legierungskonzepte für hochstfeste TRIP-Stähle mit nicht ferritischer Matrix und reduziertem Siliziumgehalt", Dissertation, (20120416), XP055496380
OPPOSITION- P.J. JACQUES et al., "On measurement of retained austenite in multiphase TRIP steels - results of blind round robin test involving six different techniques", Material Science and Technology, (20130719), vol. 25, no. 5, pages 567 - 574, XP055496371

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