Gas Recirculation Device And System With Same

Patent No. EP3594498 (titled "Gas Recirculation Device And System With Same") was filed by Pfeiffer Vacuum on Nov 6, 2019. The application was issued on Jan 5, 2022.

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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
CONCEPT LASEROct 5, 2022HAFNER & KOHL PARTMBB
GEBR BECKEROct 5, 2022MULLER
NIKON SLM SOLUTIONSOct 5, 2022SCHICKER

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

EP3594498

PFEIFFER VACUUM
Application Number
EP19207550A
Filing Date
Nov 6, 2019
Status
Revoked
May 17, 2024
Publication Date
Jan 5, 2022