The weekly litigation news digest is live. Subscribe now

IP Verse

Method For Calibrating A Membrane Vacuum Pump And Membrane Vacuum Pump - EP2889481

The patent EP2889481 was granted to Pfeiffer Vacuum on Oct 26, 2022. The application was filed on Nov 6, 2014 under application number EP14192137A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2889481

PFEIFFER VACUUM
Application Number
EP14192137A
Filing Date
Nov 6, 2014
Status
Patent Maintained As Amended
Sep 23, 2022
Publication Date
Oct 26, 2022
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
KNF NEUBERGERJan 2, 2019MAUCHER JENKINS PATENT UND RECHTSANWALTE -

Patent Citations (10) New

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

Citation PhasePublication Number
DESCRIPTIONDE102006044248
DESCRIPTIONDE1960371
OPPOSITIONDE859477
OPPOSITIONEP1757809
OPPOSITIONUS2005047923
OPPOSITIONWO2007058579
OPPOSITIONWO2008031418
SEARCHDE859477
SEARCHUS2005047923
SEARCHWO2008031418

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