Method And Apparatus For Short- Arc Welding

Patent No. EP1940578 (titled "Method And Apparatus For Short- Arc Welding") was filed by Kemppi on Sep 8, 2006. The application was issued on May 24, 2017.

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
FRONIUSFeb 26, 2018ISARPATENT

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

EP1940578

KEMPPI
Application Number
EP06794077A
Filing Date
Sep 8, 2006
Status
Revoked
May 31, 2019
Publication Date
May 24, 2017