IP Verse

Energy-Supplying Double-Decker Carriage, Rail Vehicle And Method Of Manufacturing A Double-Decker Carriage

Patent No. EP4032776 (titled "Energy-Supplying Double-Decker Carriage, Rail Vehicle And Method Of Manufacturing A Double-Decker Carriage") was filed by Stadler Rail on Jan 21, 2021. The application was issued on Sep 3, 2025.

Patent Summary

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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
ALSTOMJun 3, 2026ZIMMERMANN & PARTNER
SIEMENS MOBILITYMay 29, 2026SIEMENS PATENT ATTORNEYS

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

EP4032776

STADLER RAIL
Application Number
EP21152794A
Filing Date
Jan 21, 2021
Status
Granted And Under Opposition
Aug 1, 2025
Publication Date
Sep 3, 2025
External Links
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