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IP Verse

Cellulose Material Plasticization And Viscosity Controlled Cellulosic Material - EP3966386

The patent EP3966386 was granted to UPM Kymmene on Nov 1, 2023. The application was filed on May 10, 2019 under application number EP19726460A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3966386

UPM KYMMENE
Application Number
EP19726460A
Filing Date
May 10, 2019
Status
Granted And Under Opposition
Sep 29, 2023
Publication Date
Nov 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
METSA SPRINGJul 19, 2024ESPATENTADMISSIBLE

Patent Citations (2) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTUS4229250
INTERNATIONAL-SEARCH-REPORTWO0036215

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.

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