The weekly litigation news digest is live. Subscribe now

IP Verse

Cellulosic Composite - EP2467521

The patent EP2467521 was granted to Johns Manville on Jan 23, 2019. The application was filed on Aug 6, 2010 under application number EP10745059A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2467521

JOHNS MANVILLE
Application Number
EP10745059A
Filing Date
Aug 6, 2010
Status
Opposition Rejected
May 28, 2021
Publication Date
Jan 23, 2019
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
KNAUF INSULATIONOct 22, 2019ARCADMISSIBLE

Patent Citations (13) New

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

Citation PhasePublication Number
DESCRIPTIONUS6822042
DESCRIPTIONUS6841231
DESCRIPTIONUS7217458
INTERNATIONAL-SEARCH-REPORTDE1905054
INTERNATIONAL-SEARCH-REPORTDE4308089
INTERNATIONAL-SEARCH-REPORTUS1801053
INTERNATIONAL-SEARCH-REPORTWO2007014236
OPPOSITIONDE1905054
OPPOSITIONDE4308089
OPPOSITIONEP1652868
OPPOSITIONUS1801053
OPPOSITIONUS5321120
OPPOSITIONWO2007014236

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