Methods And Systems For Characterizing Laser Machining Properties By Measuring Keyhole Dynamics Using Interferometry

Patent No. EP3769898 (titled "Methods And Systems For Characterizing Laser Machining Properties By Measuring Keyhole Dynamics Using Interferometry") was filed by IPG Photonics Canada on Mar 13, 2014. The application was issued on Jul 23, 2025.

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
TBKApr 23, 2026-

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

EP3769898

IPG PHOTONICS CANADA
Application Number
EP20194373A
Filing Date
Mar 13, 2014
Status
Granted And Under Opposition
Jun 20, 2025
Publication Date
Jul 23, 2025