The weekly litigation news digest is live. Subscribe now

IP Verse

Ionic Liquid Based Well Asphaltene Inhibitors And Methods Of Using The Same - EP3720920

The patent EP3720920 was granted to Baker Hughes on Jan 24, 2024. The application was filed on Dec 7, 2018 under application number EP18830100A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3720920

BAKER HUGHES
Application Number
EP18830100A
Filing Date
Dec 7, 2018
Status
Granted And Under Opposition
Dec 22, 2023
Publication Date
Jan 24, 2024
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
CLARIANT PRODUKTE DEUTSCHLANDOct 22, 2024CLARIANT PRODUKTE DEUTSCHLANDADMISSIBLE

Patent Citations (16) New

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

Citation PhasePublication Number
DESCRIPTIONUS9360425
INTERNATIONAL-SEARCH-REPORTCN107177353
INTERNATIONAL-SEARCH-REPORTCN1629257
INTERNATIONAL-SEARCH-REPORTUS2014045732
INTERNATIONAL-SEARCH-REPORTUS2015111799
INTERNATIONAL-SEARCH-REPORTWO2013096218
OPPOSITIONEP0606055
OPPOSITIONEP0857776
OPPOSITIONEP1666570
OPPOSITIONUS2004232042
OPPOSITIONUS2013310492
OPPOSITIONUS2017284605
OPPOSITIONUS2234548
OPPOSITIONWO0179397
OPPOSITIONWO2008083724
OPPOSITIONWO9961562

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