Valve Carrier Ring For Self-Closing Dispensing Valve

Patent No. EP3911578 (titled "Valve Carrier Ring For Self-Closing Dispensing Valve") was filed by Weener Plastics Group on Jan 13, 2020. The application was issued on Aug 9, 2023.

Patent Summary

Patent Family

Patent Family

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
APTARGROUPMay 8, 2024APPELT
LINNMay 8, 2024-

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.

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EP3911578

WEENER PLASTICS GROUP
Application Number
EP20701380A
Filing Date
Jan 13, 2020
Status
Granted And Under Opposition
Jul 7, 2023
Publication Date
Aug 9, 2023