The weekly litigation news digest is live. Subscribe now

IP Verse

Method Of Producing A Fibrous Web Containing Natural And Synthetic Fibres - EP3433421

The patent EP3433421 was granted to Paptic on Jul 14, 2021. The application was filed on Mar 24, 2017 under application number EP17726662A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3433421

PAPTIC
Application Number
EP17726662A
Filing Date
Mar 24, 2017
Status
Granted And Under Opposition
Jun 11, 2021
Publication Date
Jul 14, 2021
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
AHLSTROM OYJApr 13, 2022HOFFMANN EITLEADMISSIBLE

Patent Citations (17) New

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

Citation PhasePublication Number
EXAMINATIONUS2007271889
EXAMINATIONUS4081318
EXAMINATIONWO9832906
INTERNATIONAL-SEARCH-REPORTEP0889151
INTERNATIONAL-SEARCH-REPORTUS2014311694
INTERNATIONAL-SEARCH-REPORTUS5204165
INTERNATIONAL-SEARCH-REPORTUS5840787
OPPOSITIONEP0889151
OPPOSITIONJP2013063378
OPPOSITIONUS2009223644
OPPOSITIONUS3722469
OPPOSITIONUS4007083
OPPOSITIONUS4023526
OPPOSITIONUS4081318
OPPOSITIONUS4099913
OPPOSITIONWO0001882
OPPOSITIONWO2013192385

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