The weekly litigation news digest is live. Subscribe now

IP Verse

Waste-Heat Recovery System In Oil-Cooled Gas Compressor - EP3499037

The patent EP3499037 was granted to Hitachi Industrial Equipment Systems on Dec 13, 2023. The application was filed on Jan 15, 2014 under application number EP19156289A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3499037

HITACHI INDUSTRIAL EQUIPMENT SYSTEMS
Application Number
EP19156289A
Filing Date
Jan 15, 2014
Status
Patent Maintained As Amended
Nov 10, 2023
Publication Date
Dec 13, 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
KAESER KOMPRESSORENDec 3, 2021MEISSNER BOLTE PARTNERSCHAFT MBBADMISSIBLE

Patent Citations (18) New

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

Citation PhasePublication Number
DESCRIPTIONJP2012067743
DESCRIPTIONJP4329875B
EXAMINATIONEP1072453
EXAMINATIONJP2001255002
EXAMINATIONJP2012067743
EXAMINATIONJPS62258952
OPPOSITIONCN202402252U
OPPOSITIONCN202579188U
OPPOSITIONDE102011017433
OPPOSITIONJP2011226467
OPPOSITIONJP2012211712
OPPOSITIONUS4238931
OPPOSITIONWO2008064457
SEARCHJP2006125302
SEARCHJP2009121398
SEARCHUS2011000227
SEARCHUS4238931
SEARCHWO2008064457

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