The weekly litigation news digest is live. Subscribe now

Process And Apparatus For Operating A Compression System - EP4105490

The patent EP4105490 was granted to AIR Products And Chemicals on Mar 5, 2025. The application was filed on Jun 9, 2022 under application number EP22178034A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4105490

AIR PRODUCTS AND CHEMICALS
Application Number
EP22178034A
Filing Date
Jun 9, 2022
Status
Granted And Under Opposition
Jan 31, 2025
Publication Date
Mar 5, 2025
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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
BAKER HUGHESDec 4, 2025CARPMAELS & RANSFORDADMISSIBLE
THYSSENKRUPP UHDEDec 4, 2025MEISSNER BOLTE PARTNERSCHAFT MBBADMISSIBLE

Patent Citations (19) New

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

Citation PhasePublication Number
OPPOSITIONCN111498868
OPPOSITIONEP1344935
OPPOSITIONEP1420167
OPPOSITIONEP3537025
OPPOSITIONEP3789616
OPPOSITIONKR102073137B
OPPOSITIONUS2002028145
OPPOSITIONUS2004013923
OPPOSITIONUS2007000789
OPPOSITIONUS2011008186
OPPOSITIONUS2017122125
OPPOSITIONUS2020325884
OPPOSITIONUS2020325891
OPPOSITIONUS5765998
OPPOSITIONWO2010111357
OPPOSITIONWO2020147911
SEARCHEP1344935
SEARCHUS2004013923
SEARCHUS5765998

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