IP Verse

Flexible And Conformable Wound Dressing With Enhanced Fluid Absorption Capability - EP3829504

The patent EP3829504 was granted to KCI Licensing on Mar 1, 2023. The application was originally filed on Jul 31, 2019 under application number EP19752407A. The patent is currently recorded with a legal status of "Revoked".

EP3829504

KCI LICENSING
Application Number
EP19752407A
Filing Date
Jul 31, 2019
Status
Revoked
Sep 12, 2025
Grant Date
Mar 1, 2023
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

ESSITY HYGIENE AND HEALTH AKTIEBOLAGDec 1, 2023COHAUSZ & FLORACKADMISSIBLE

Patent Citations (19) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONGB1280631
DESCRIPTIONUS8058499
DESCRIPTIONUS8097272
DESCRIPTIONUS8664464
INTERNATIONAL-SEARCH-REPORTEP2189139
INTERNATIONAL-SEARCH-REPORTWO2007092350
INTERNATIONAL-SEARCH-REPORTWO2010135645
INTERNATIONAL-SEARCH-REPORTWO2013074825
INTERNATIONAL-SEARCH-REPORTWO2018226592
OPPOSITIONDE2422975
OPPOSITIONEP0610056
OPPOSITIONUS2010030171
OPPOSITIONUS5763331
OPPOSITIONUS8097272
OPPOSITIONUS9192521
OPPOSITIONUS9764055
OPPOSITIONWO2010135645
OPPOSITIONWO2018077872
OPPOSITIONWO2018236648

Non-Patent Literature (NPL) Citations (18) 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- Anonymous, "A clinical evaluation of 20 patients when using a new absorbent silicone foam wound dressing: Cutimed Siltec B", Wounds UK, (20180101), vol. 14, no. 3, pages 76 - 81, XP093147617-
OPPOSITION- Anonymous, "Infection Prevention and Control", EWMA Journal, (20170401), vol. 17, no. 1, XP093147622-
OPPOSITION- Anonymous, "New Frontiers in Wound Management", EWMA Journal, (20171001), vol. 18, no. 2, XP093147626-
OPPOSITION- Anonymous, "Slurry", Wikipedia, (20231004), Wikipedia, URL: https://en.wikipedia.org/w/index.php?title=Slurry&oldid=1178643137, (20240403), XP093147606-
OPPOSITION- Anonymous, "Superabsorbent polymer", Wikipedia, (20180403), Wikipedia, URL: https://en.wikipedia.org/w/index.php?title=Superabsorbent_polymer&oldid=833996611, (20240404), XP093148084-
OPPOSITION- D24 - Affidavit Sebastian Zimmermann-
OPPOSITION- D25 - Invoice 9803185446 dated March 2, 2017 (Annex 1 of D24)-
OPPOSITION- D26 - Declaration by Freudenberg Performance Materials LP-
OPPOSITION- D28 - E-Mail “Reminder: Your ePoster -EWMA 2017 from 03.05. - 05.05.2017 at the Congress Center Amsterdam” (Annex 4a of D24)-
OPPOSITION- D29 - E-Mail “EWMA 2017 - Presentation upload” (Annex 4b of D24)-
OPPOSITION- D30 - Affidavit Karl Karlsson-
OPPOSITION- D32 - Encyclopedia Britannica_Polyethylene glycol (PEG) (cannot find date)-
OPPOSITION- D33 - Article “Polyethylene Glycol (PEG) Selection Guide”, published on the homepage of Merck KGaA (cannot find date)-
OPPOSITION- Dilo Johann Ph, Wizemann Gustav, Erth Holger, Schreiber Jochen, Wegner Alexander, Munstermann Ullrich, Mtischler Wolfgang, Watzl Alfred, Pasternal< Marl<us, Schilde Wolfgang, Fuchs Hilmar, Bottcher Peter, Zah Walter, Ph Johann, "Vliesverfestigung", Vliesstoffe, (20120817), pages 255 - 417, XP093148081-
OPPOSITION- K. Dilger, "1.7. Klinische Arzneimittelentwicklung und Pharmakovigilanz", K. Dilger, Aktories, Förstermann, Hofmann, Starke, Allgemeine und spezielle Pharmakologie und Toxikologie, 12. Auflage, Elsevier, (20170101), pages 73 - 82, ISBN 978-3-437-42525-7, XP009560553-
OPPOSITION- Zimmermann Sebastian, "In-vitro Exudate management performance of a new hydrophilic foam dressing range", BSN Medical GmbH, (20170501), XP093268004-
OPPOSITION- Isaac Yair Miranda‐Valdez; Tero Mäkinen; Xiang Hu; Juha Lejon; Mohamed Elamir; Leevi Viitanen; Luisa Jannuzzi; Juha Koivisto; Mikko Juhani Alava, "Bio‐Based Foams to Function as Future Plastic Substitutes by Biomimicry: Inducing Hydrophobicity with Lignin", Advance Engineering Materials, WILEY VCH VERLAG, WEINHEIM., DE, DE , (20240803), vol. 26, no. 20, doi:10.1002/adem.202400233, ISSN 1438-1656, pages n/a - n/a, XP072722377
OPPOSITION- Anonymous, "Hydrogel", Wikipedia, doi:10.1016/j.jare.2013.07.006, (20180207), Wikipedia, URL: https://de.wikipedia.org/w/index.php?title=Hydrogel&oldid=173755325, (20240404), XP093148087

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