Method And Apparatus For Controlling Gas Flow From Cylinders

Patent No. EP2917632 (titled "Method And Apparatus For Controlling Gas Flow From Cylinders") was filed by Praxair Technology on Oct 23, 2013. The application was issued on Dec 15, 2021.

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.

Company	Opposition Date	Representative
LAIR LIQUIDE SOCIETE ANONYME POUR LETUDE ET LEXPLOITATION DES PROCEDES GEORGES CLAUDE	Oct 2, 2019	AIR LIQUIDE

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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Nov 18, 2021
Decision to maintain the European patent in amended form
Nov 18, 2021
Decision to maintain the European patent in amended form
Nov 12, 2021
Termination of the opposition proceedings with maintenance of patent
Nov 3, 2021
(Electronic) Receipt
Nov 3, 2021
French translation of claims
Nov 3, 2021
German translation of the claims
Nov 3, 2021
Letter accompanying subsequently filed items
Oct 18, 2021
Maintenance of the patent with the documents specified in the final decision
Jul 2, 2021
(Electronic) Receipt
Jul 2, 2021
Advice of delivery
Jul 2, 2021
Letter accompanying subsequently filed items
Jun 23, 2021
Advice of delivery
Jun 23, 2021
Decision of the Opposition Division and instruction
Jun 23, 2021
Druckexemplar in opposition procedure
Jun 23, 2021
Grounds for the decision (Annex) - opposition
Jun 23, 2021
Interlocutory decision in opposition proceedings
Jun 23, 2021
Internal form - Opposition/addressees
Jun 23, 2021
Means of redress
Apr 15, 2021
Notification concerning the date of oral proceedings
Apr 15, 2021
Notification concerning the date of oral proceedings
Apr 12, 2021
Result of consultation by telephone/in person
Mar 9, 2021
(Electronic) Receipt
Mar 1, 2021
Brief communication - Opposition proceedings
Feb 23, 2021
(Electronic) Receipt
Feb 23, 2021
Letter accompanying subsequently filed items
Feb 23, 2021
Letter regarding the opposition procedure (no time limit)
Feb 1, 2021
Brief communication - Opposition proceedings
Jan 28, 2021
(Electronic) Receipt
Jan 28, 2021
Letter accompanying subsequently filed items
Jan 28, 2021
Withdrawal of a request for oral proceedings
Dec 15, 2020
Notification concerning the date of oral proceedings
Dec 15, 2020
Notification concerning the date of oral proceedings
Nov 16, 2020
Communication of amended entries
Nov 4, 2020
Brief communication - Opposition proceedings
Nov 3, 2020
Letter accompanying subsequently filed items
Nov 3, 2020
Request for change of opponent's representative
Oct 30, 2020
(Electronic) Receipt
Oct 30, 2020
Letter accompanying subsequently filed items
Oct 30, 2020
Oral proceedings: reply to date proposed
Sep 1, 2020
Notification concerning the date of oral proceedings
Sep 1, 2020
Notification concerning the date of oral proceedings
Aug 5, 2020
Advice of delivery
Jul 29, 2020
Advice of delivery
Jul 27, 2020
Annex to the communication - opposition
Jul 27, 2020
Information concerning oral proceedings
Jul 27, 2020
Summons to attend oral proceedings
Jul 27, 2020
Summons to attend oral proceedings
Mar 3, 2020
Brief communication - Opposition proceedings
Feb 26, 2020
(Electronic) Receipt
Feb 26, 2020
Letter accompanying subsequently filed items
Feb 26, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jan 22, 2020
Brief communication to applicant/representative
Jan 22, 2020
Communication concerning the filing of a power of attorney
Jan 22, 2020
Communication of amended entries concerning the representative
Jan 15, 2020
Authorisation
Jan 15, 2020
Submission concerning change of applicant's representative
Jan 10, 2020
Authorisation
Jan 10, 2020
Submission concerning change of applicant's representative
Oct 28, 2019
Communication of a notice of opposition and request to file observations
Oct 28, 2019
Notice of further oppositions to opponent(s)
Oct 8, 2019
Communication of a notice of opposition - first information to patent proprietor
Oct 2, 2019
(Electronic) Receipt
Oct 2, 2019
Any annexes (other than citation) to an opposition letter
Oct 2, 2019
Citation in opposition procedure - 001
Oct 2, 2019
Citation in opposition procedure - 002
Oct 2, 2019
Citation in opposition procedure - 003
Oct 2, 2019
Citation in opposition procedure - 004
Oct 2, 2019
Citation in opposition procedure - 005
Oct 2, 2019
Citation in opposition procedure - 006
Oct 2, 2019
Citation in opposition procedure - 007
Oct 2, 2019
Consolidated list of cited opposition documents
Oct 2, 2019
Notice of opposition
Oct 2, 2019
Notice of opposition
Jun 24, 2019
Communication of the registration of a transfer or change of name and/or address
Jun 18, 2019
Submission concerning change of applicant's address
Jan 28, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 20, 2018
Decision to grant a European patent
Dec 5, 2018
(Electronic) Receipt
Dec 5, 2018
Filing of the translations of the claims
Dec 5, 2018
French translation of claims
Dec 5, 2018
German translation of the claims
Sep 3, 2018
Communication confirming withdrawal from representation
Sep 3, 2018
Communication of amended entries concerning the representative
Aug 30, 2018
Confirmation of revocation of automatic debit order
Aug 28, 2018
(Electronic) Receipt
Aug 28, 2018
Letter accompanying subsequently filed items
Aug 28, 2018
Submission concerning change of applicant's representative
Aug 27, 2018
Letter relating to the automatic debiting procedure
Aug 27, 2018
Submission concerning change of applicant's representative
Aug 6, 2018
Bibliographic data of the European patent application
Aug 6, 2018
Communication about intention to grant a European patent
Aug 6, 2018
Intention to grant (signatures)
Aug 6, 2018
Text intended for grant (clean copy)
Aug 6, 2018
Text intended for grant (version for approval)
Jul 10, 2018
Examination started
Mar 15, 2018
Notification regarding date of start of examination with possibility to withdraw
Dec 22, 2015
Amended claims filed after receipt of (European) search report
Dec 22, 2015
Amended claims with annotations
Dec 22, 2015
Amended description filed after receipt of (European) search report
Dec 22, 2015
Amended description with annotations
Dec 22, 2015
Amendments received before examination
Aug 19, 2015
Notification on forthcoming publication of bibliographic data
Jun 19, 2015
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jun 17, 2015
Communication to designated inventor
Jun 17, 2015
Communication to designated inventor
Jun 17, 2015
Communication to designated inventor
Jun 17, 2015
Communication to designated inventor
May 27, 2015
Copy of the international preliminary report on patentability
May 15, 2015
(Electronic) Receipt
May 15, 2015
Request for entry into the European phase
Mar 20, 2015
Information on entry into European phase
Jun 3, 2014
Priority document (electronically transmitted)
Jun 3, 2014
Priority document (electronically transmitted)
May 15, 2014
Copy of the international search report
May 15, 2014
Published international application - A1
Mar 20, 2014
Written opinion of the ISA, boxes No. I to VIII
Mar 20, 2014
Written opinion of the ISA, cover sheet
Mar 20, 2014
Written opinion of the ISA, supplemental box

EP2917632

PRAXAIR TECHNOLOGY

Application Number: EP13786122A
Filing Date: Oct 23, 2013
Status: Patent Maintained As Amended; Nov 12, 2021
Publication Date: Dec 15, 2021
External Links: Slate, EP2917632B2, Google Patents

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Method And Apparatus For Controlling Gas Flow From Cylinders

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Dossier Documents

EP2917632