IP Verse

A Process For Producing Paper Or Board And A Product Thereof

PatentPatent Analysis

EP3899136

KEMIRA OYJ
Application Number
EP19727444A
Filing Date
May 22, 2019
Status
Granted And Under Opposition
Nov 18, 2022
Grant Date
Dec 21, 2022
External Links
Slate, Register, Google Patents
Similar Patents facing opposition
EP2609990B1
EP3313908B1
EP3240618B1

Biblio Summary

The patent EP3899136B1 was granted to Kemira OYJ on Dec 21, 2022 following the initial filing on May 22, 2019 under the application number EP19727444A . The current legal status of the patent is Granted And Under Opposition.

AI Generated Summary New

Patent Family

Patent Oppositions filed by Competitors

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 DateOpposition Status

Get instant alerts for new oppositions and patent status changes

BILLERUD AKTIEBOLAG PUBLSep 21, 2023ADMISSIBLE
STORA ENSO OYJSep 20, 2023ADMISSIBLE

Dossier Documents of the Patent

The dossier documents provide a comprehensive record of the patent’s prosecution history, including filings, correspondence, and decisions made by patent offices. These documents are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination. It also includes the oppositions documents filed against the patent.

  • Date

    Description

  • Get instant alerts for new documents