IP Verse

Pump Unit And Method For Monitoring The Liquid Situation In A Seal Assembly In A Pump Unit - EP3543537

The patent EP3543537 was granted to Grundfos Holding on Oct 15, 2025. The application was originally filed on Mar 23, 2018 under application number EP18163562A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3543537

GRUNDFOS HOLDING
Application Number
EP18163562A
Filing Date
Mar 23, 2018
Status
Patent Maintained As Amended
Sep 12, 2025
Grant Date
Oct 15, 2025
External Links
Slate, Register, Google Patents

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 DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

WILOOct 5, 2022MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBBADMISSIBLE

Patent Citations (5) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
EXAMINATIONWO2017221217
OPPOSITIONUS6379127
OPPOSITIONWO2017221217
SEARCHUS2003211626
SEARCHUS2014116513

Non-Patent Literature (NPL) Citations (2) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- Anonymous, "Wilo-EMU KS.../KS...Ex", Einbau- und Betriebsanleitung, WILO, (20110101), XP093135019-
OPPOSITION- "Ultrasonic flow meter ", Wikipedia, (20171127), URL: https://en.wikipedia.org/w/index.php?title=Ultrasonic_flow_meter&oldid=812347856, XP093135011-

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

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