Grating Image Having Mutually Adjoining Grating Fields

Patent No. EP2633347 (titled "Grating Image Having Mutually Adjoining Grating Fields") was filed by Giesecke & Devrient on Oct 26, 2011. The application was issued on Sep 24, 2025.

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 DateRepresentative
LEONHARD KURZ STIFTUNGMay 31, 2023LOUIS POHLAU LOHRENTZ

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

  • Get instant alerts for new documents

EP2633347

GIESECKE & DEVRIENT
Application Number
EP11785324A
Filing Date
Oct 26, 2011
Status
Patent Maintained As Amended
Aug 22, 2025
Publication Date
Sep 24, 2025