The weekly litigation news digest is live. Subscribe now

IP Verse

Method For The Production Of Heat-Sealing Barrier Paper - EP3186441

The patent EP3186441 was granted to Ahlstrom Munksj OYJ on Dec 25, 2019. The application was filed on Jul 29, 2015 under application number EP15750659A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP3186441

AHLSTROM MUNKSJ OYJ
Application Number
EP15750659A
Filing Date
Jul 29, 2015
Status
Opposition Rejected
Feb 11, 2022
Publication Date
Dec 25, 2019
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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
STILKENBOHMERSep 24, 2020EISENFUHR SPEISERADMISSIBLE
BILLERUDKORSNASSep 24, 2020KRANSELL & WENNBORG KBDEEMED NOT TO HAVE BEEN FILED

Patent Citations (12) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTUS2004121079
INTERNATIONAL-SEARCH-REPORTUS2014113080
INTERNATIONAL-SEARCH-REPORTUS2653870
INTERNATIONAL-SEARCH-REPORTUS4018647
INTERNATIONAL-SEARCH-REPORTWO2009112255
INTERNATIONAL-SEARCH-REPORTWO2009117040
INTERNATIONAL-SEARCH-REPORTWO2010052571
INTERNATIONAL-SEARCH-REPORTWO2011056130
OPPOSITIONEP0761876
OPPOSITIONEP2777934
OPPOSITIONWO2010077203
OPPOSITIONWO2014005697

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