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Coextrusion Die For Producing Multi-Layer Tubular Preforms Made Of Thermoplastic Material

Patent No. EP4230380 (titled "Coextrusion Die For Producing Multi-Layer Tubular Preforms Made Of Thermoplastic Material") was filed by BBM Maschinenbau UND Vertriebs on Feb 20, 2023. The application was issued on Apr 3, 2024.

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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
ST SOFFIAGGIO TECNICADec 19, 2024FORATTINI
W MULLERDec 17, 2024NEUMANN MULLER OBERWALLENEY PATENTANWALTE PARTG 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

EP4230380

BBM MASCHINENBAU UND VERTRIEBS
Application Number
EP23157656A
Filing Date
Feb 20, 2023
Status
Granted And Under Opposition
Mar 1, 2024
Publication Date
Apr 3, 2024
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