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IP Verse

Reuse Of Lyocell Cellulose For Lyocell Method - EP3511449

The patent EP3511449 was granted to Lenzing on Mar 23, 2022. The application was filed on Jan 15, 2018 under application number EP18151708A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3511449

LENZING
Application Number
EP18151708A
Filing Date
Jan 15, 2018
Status
Granted And Under Opposition
Feb 18, 2022
Publication Date
Mar 23, 2022
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
LIST TECHNOLOGYDec 23, 2022PATENTANWALTE UND RECHTSANWALT WEISSADMISSIBLE

Patent Citations (6) New

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

Citation PhasePublication Number
OPPOSITIONWO2015101543
OPPOSITIONWO2018104330
OPPOSITIONWO9607778
SEARCHWO2016123643
SEARCHWO2017019802
SEARCHWO9607778

Dossier Documents

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