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IP Verse

Threaded Joint For Steel Pipe - EP3093543

The patent EP3093543 was granted to Nippon Steel on Mar 15, 2023. The application was filed on Jan 9, 2015 under application number EP15735492A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3093543

NIPPON STEEL
Application Number
EP15735492A
Filing Date
Jan 9, 2015
Status
Patent Maintained As Amended
Feb 10, 2023
Publication Date
Mar 15, 2023
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
TENARIS CONNECTIONSApr 3, 2019BOULT WADE TENNANTADMISSIBLE

Patent Citations (18) New

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

Citation PhasePublication Number
DESCRIPTIONJPH0280886
DESCRIPTIONJPH1089555
DESCRIPTIONJPS62196488
DESCRIPTIONUS2062407
INTERNATIONAL-SEARCH-REPORTJP2009531603
INTERNATIONAL-SEARCH-REPORTJPH02271191
INTERNATIONAL-SEARCH-REPORTJPH06331070
INTERNATIONAL-SEARCH-REPORTJPH09126366
INTERNATIONAL-SEARCH-REPORTJPH1089554
OPPOSITIONJPS62196488
OPPOSITIONUS2004262919
OPPOSITIONUS4795200
OPPOSITIONWO2004109173
OPPOSITIONWO2006022418
OPPOSITIONWO2007114460
SEARCHUS2005093250
SEARCHWO0008370
SEARCHWO2007114460

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

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