IP Verse

New Substrate

Patent No. EP4323584 (titled "New Substrate") was filed by Billerud Aktiebolag Publ on Apr 13, 2022. The application was issued on Jun 25, 2025.

Patent Summary

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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 DateRepresentative
AHLSTROM OYJMar 25, 2026HOFFMANN EITLE
UPM SPECIALTY PAPERSMar 25, 2026BERGGREN

Dossier Documents

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EP4323584

BILLERUD AKTIEBOLAG PUBL
Application Number
EP22722738A
Filing Date
Apr 13, 2022
Status
Granted And Under Opposition
May 23, 2025
Publication Date
Jun 25, 2025
External Links
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