The weekly litigation news digest is live. Subscribe now

Rotor Pair For A Compressor Block Of A Screw Machine - EP3134649

The patent EP3134649 was granted to Kaeser Kompressoren on Dec 14, 2022. The application was originally filed on Apr 27, 2015 under application number EP15736405A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3134649

KAESER KOMPRESSOREN
Application Number
EP15736405A
Filing Date
Apr 27, 2015
Status
Patent Maintained As Amended
Nov 11, 2022
Publication Date
Dec 14, 2022
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (4)

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

ATLAS COPCOJan 4, 2019VOADMISSIBLE
GARDNER DENVER DEUTSCHLANDJan 3, 2019MURGITROYDADMISSIBLE
INGERSOLL RAND INDUSTRIALJan 3, 2019MURGITROYDADMISSIBLE
ROTORCOMP VERDICHTERDec 28, 2018HERINGADMISSIBLE

Patent Citations (19) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTDE1428265
INTERNATIONAL-SEARCH-REPORTUS2622787
INTERNATIONAL-SEARCH-REPORTWO9721926
OPPOSITIONCN102352840
OPPOSITIONDE1428265
OPPOSITIONDE19539002
OPPOSITIONDE2911415
OPPOSITIONDE3230720
OPPOSITIONDE3246685
OPPOSITIONFR953057
OPPOSITIONGB627162
OPPOSITIONKR100313638B
OPPOSITIONUS2622787
OPPOSITIONUS3138110
OPPOSITIONUS3275226
OPPOSITIONUS3282495
OPPOSITIONUS4350480
OPPOSITIONWO9721926
OTHERUS2622787

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