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IP Verse

Process For Enhanced Closed-Circuit Cooling System - EP3904815

The patent EP3904815 was granted to AIR Products And Chemicals on Jan 25, 2023. The application was filed on Apr 26, 2021 under application number EP21170518A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3904815

AIR PRODUCTS AND CHEMICALS
Application Number
EP21170518A
Filing Date
Apr 26, 2021
Status
Granted And Under Opposition
Dec 23, 2022
Publication Date
Jan 25, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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
LAIR LIQUIDEOct 25, 2023AIR LIQUIDEADMISSIBLE
LINDEOct 25, 2023GRUNDNERADMISSIBLE
LINDEOct 25, 2023IMHOFADMISSIBLE

Patent Citations (7) New

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

Citation PhasePublication Number
OPPOSITIONDE3035322
OPPOSITIONWO2009063055
SEARCHEP0862717
SEARCHEP1284402
SEARCHUS2015237766
SEARCHWO2011149487
SEARCHWO2018004701

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

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