IP Verse

Filtration Material Using Fiber Blends That Contain Strategically Shaped Fibers And/Or Charge Control Agents - EP3885480

The patent EP3885480 was granted to Mativ Luxembourg on Sep 11, 2024. The application was originally filed on Oct 25, 2011 under application number EP21168074A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3885480

MATIV LUXEMBOURG
Application Number
EP21168074A
Filing Date
Oct 25, 2011
Status
Granted And Under Opposition
Aug 8, 2024
Grant Date
Sep 11, 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

Get instant alerts for new oppositions and patent status changes

MAIWALDJun 11, 2025MAIWALDADMISSIBLE

Patent Citations (17) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONUS20010614063-
DESCRIPTIONEP0347695
DESCRIPTIONUS4798850
DESCRIPTIONUS5470485
DESCRIPTIONUS5792242
DESCRIPTIONUS6328788
OPPOSITIONUS2001039879
OPPOSITIONUS2004194625
OPPOSITIONUS2013047856
OPPOSITIONUS3706828
OPPOSITIONUS5645627
OPPOSITIONUS5871845
OPPOSITIONWO9744509
SEARCHJP2008150753
SEARCHUS2001039879
SEARCHUS6048614
SEARCHUS6780226

Non-Patent Literature (NPL) Citations (2) 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- Raynor Peter C., "Single-Fiber Interception Efficiency for Elliptical Fibers", Aerosol Science and Technology, US , (20080331), vol. 42, no. 5, doi:10.1080/02786820802104957, ISSN 0278-6826, pages 357 - 368, XP093287518
OPPOSITION- Regan Beth D., Raynor Peter C., "Single-Fiber Diffusion Efficiency for Elliptical Fibers", Aerosol Science and Technology, US , (20090515), vol. 43, no. 6, doi:10.1080/02786820902777215, ISSN 0278-6826, pages 533 - 543, XP093287519

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