Stitched Reinforcing Fiber Base Material, Preform Material, Fiber Reinforced Composite Material, And Manufacturing Methods For Same

Patent No. EP4112794 (titled "Stitched Reinforcing Fiber Base Material, Preform Material, Fiber Reinforced Composite Material, And Manufacturing Methods For Same") was filed by Teijin on Feb 22, 2021. The application was issued on Jul 31, 2024.

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
TORAY ADVANCED COMPOSITES NETHERLANDSApr 24, 2025KADOR & PARTNER PART 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

  • Get instant alerts for new documents

EP4112794

TEIJIN
Application Number
EP21761194A
Filing Date
Feb 22, 2021
Status
Granted And Under Opposition
Jun 27, 2024
Publication Date
Jul 31, 2024