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 originally 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
Grant 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

Get instant alerts for new oppositions and patent status changes

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 NumberPublication Link
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

Non-Patent Literature (NPL) Citations (3) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- K. KINNUNEN et al., "Benefits of foam forming technology and its applicability in high MFC addition structures", Advances in Pulp and Paper Research, (20130000), pages 837 - 850, XP055914922-
OPPOSITION- M. A. HUBBE et al., "Wet-Laid Nonwovens Manufacture - Chemical Approaches Using Synthetic and Cellulosic Fibers", BioResources, (20160309), vol. 11, no. 2, pages 5500 - 5552, XP055914925-
OPPOSITION- S. J. Russell, "3.4.1 Natural fibres", Handbook of Nonwovens, Elsevier Science & Technology, (20061222), pages 118 - 118, ISBN 978-1-85573-603-0, XP093154531-

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

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