Contact Spring Assembly For The Self-Locking Contacting Of An Electrical Conductor

Patent No. EP4305711 (titled "Contact Spring Assembly For The Self-Locking Contacting Of An Electrical Conductor") was filed by Harting Electric Stiftung on Feb 28, 2022. The application was issued on Dec 10, 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
PHOENIX CONTACTSep 10, 2026MAIKOWSKI & NINNEMANN PATENTANWALTE PARTNERSCHAFT 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

  • Get instant alerts for new documents

EP4305711

HARTING ELECTRIC STIFTUNG
Application Number
EP22713856A
Filing Date
Feb 28, 2022
Status
Granted And Under Opposition
Nov 7, 2025
Publication Date
Dec 10, 2025