Direct Thermal Recording Media Based On Selective Change Of State

Patent No. EP3749527 (titled "Direct Thermal Recording Media Based On Selective Change Of State") was filed by Appvion on Mar 22, 2019. The application was issued on Jan 28, 2026.

Patent Summary

Patent Family

Patent family tree
Statuses, jurisdictions and citation links are shared on request.

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 DateRepresentative
KOEHLER INNOVATION & TECHNOLOGYOct 28, 2026MEISSNER BOLTE PARTNERSCHAFT MBB

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

EP3749527

APPVION
Application Number
EP19715736A
Filing Date
Mar 22, 2019
Status
Granted And Under Opposition
Dec 26, 2025
Publication Date
Jan 28, 2026