The weekly litigation news digest is live. Subscribe now

IP Verse

Hollow Resin Particles And Use Of Same - EP3495396

The patent EP3495396 was granted to Matsumoto Yushi Seiyaku on Nov 18, 2020. The application was filed on Jul 7, 2017 under application number EP17836682A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3495396

MATSUMOTO YUSHI SEIYAKU
Application Number
EP17836682A
Filing Date
Jul 7, 2017
Status
Granted And Under Opposition
Oct 16, 2020
Publication Date
Nov 18, 2020
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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
NOURYON CHEMICALSAug 17, 2021INGRASSIAADMISSIBLE
NOURYON CHEMICALSAug 17, 2021LKGLOBAL UKADMISSIBLE

Patent Citations (16) New

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

Citation PhasePublication Number
DESCRIPTIONJP2006096963
DESCRIPTIONJP2006213930
DESCRIPTIONJP2010090299
DESCRIPTIONJP2013237815
DESCRIPTIONJPH04108570
DESCRIPTIONJPS62201231
INTERNATIONAL-SEARCH-REPORTJP2009540047
INTERNATIONAL-SEARCH-REPORTJP2011195813
INTERNATIONAL-SEARCH-REPORTJP2016050295
INTERNATIONAL-SEARCH-REPORTJPS62286534
INTERNATIONAL-SEARCH-REPORTWO02072671
INTERNATIONAL-SEARCH-REPORTWO2014196625
SEARCHEP1149628
SEARCHEP2808348
SEARCHUS2005080151
SEARCHUS2016160000

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