The weekly litigation news digest is live. Subscribe now

IP Verse

Dry Vacuum Pump Apparatus - EP3842642

The patent EP3842642 was granted to Ebara on Sep 14, 2022. The application was filed on Apr 18, 2011 under application number EP21157362A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3842642

EBARA
Application Number
EP21157362A
Filing Date
Apr 18, 2011
Status
Granted And Under Opposition
Aug 12, 2022
Publication Date
Sep 14, 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
PFEIFFER VACUUMJun 13, 2023INNOVINCIAADMISSIBLE

Patent Citations (10) New

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

Citation PhasePublication Number
DESCRIPTIONJP2001289167
OPPOSITIONEP2058521
OPPOSITIONJPH11315794
OPPOSITIONUS5779453
SEARCHEP1243795
SEARCHEP1256720
SEARCHEP1536140
SEARCHJP2008008302
SEARCHWO2004083643
SEARCHWO9841760

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