Cryogenic Air Separation

Patent No. EP1902264 (titled "Cryogenic Air Separation") was filed by Praxair Technology on Jun 16, 2006. The application was issued on Jan 5, 2022.

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
AIR PRODUCTS AND CHEMICALS	Oct 4, 2018	BECK GREENER

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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Dec 9, 2021
Decision to maintain the European patent in amended form
Dec 9, 2021
Decision to maintain the European patent in amended form
Dec 3, 2021
Termination of the opposition proceedings with maintenance of patent
Nov 30, 2021
(Electronic) Receipt
Nov 30, 2021
French translation of claims
Nov 30, 2021
German translation of the claims
Nov 30, 2021
Letter accompanying subsequently filed items
Oct 21, 2021
Communication of bibliographic data
Oct 21, 2021
Communication to opponent concerning maintenance
Oct 21, 2021
Communication with request to file translations
Oct 12, 2021
Maintenance of the patent with the documents specified in the final decision
Oct 5, 2021
Refund of fees
Sep 30, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Sep 30, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Sep 27, 2021
Composition of the board (T)
Sep 27, 2021
F3303.16 Change of composition of the Board (T)
Sep 24, 2021
(Electronic) Receipt
Sep 24, 2021
Letter accompanying subsequently filed items
Sep 24, 2021
Withdrawal of an appeal
Sep 9, 2021
F3204 Communication of the file number to the parties
Sep 9, 2021
F3204 Communication of the file number to the parties
Sep 3, 2021
(Electronic) Receipt
Sep 3, 2021
Letter accompanying subsequently filed items
Sep 3, 2021
Notice of appeal
Jun 25, 2021
(Electronic) Receipt
Jun 25, 2021
Advice of delivery
Jun 25, 2021
Advice of delivery
Jun 25, 2021
Annex to the communication - opposition
Jun 25, 2021
Decision of the Opposition Division and instruction
Jun 25, 2021
Druckexemplar in opposition procedure
Jun 25, 2021
Grounds for the decision (Annex) - opposition
Jun 25, 2021
Interlocutory decision in opposition proceedings
Jun 25, 2021
Interlocutory decision in opposition proceedings
Jun 25, 2021
Internal form - Opposition/addressees
Jun 25, 2021
Internal form - Opposition/addressees
Jun 25, 2021
Letter accompanying subsequently filed items
Jun 25, 2021
Means of redress
Jun 25, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 25, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 25, 2021
Provision of a copy of the minutes - opposition procedure
Jun 25, 2021
Provision of a copy of the minutes - opposition procedure
Jun 25, 2021
Scanned annex to a communication - opposition procedure
Jun 25, 2021
Scanned annex to a communication - opposition procedure
Jun 25, 2021
Scanned annex to a communication - opposition procedure
Jun 25, 2021
Transmittal of decision / summons - opposition
Jun 25, 2021
Transmittal of decision / summons - opposition
Mar 10, 2021
Information about the result of oral proceedings
Jan 21, 2021
Notification concerning the date of oral proceedings
Jan 21, 2021
Notification concerning the date of oral proceedings
Jan 15, 2021
(Electronic) Receipt
Jan 15, 2021
Letter accompanying subsequently filed items
Jan 15, 2021
Notification concerning the date of oral proceedings
Jan 15, 2021
Notification concerning the date of oral proceedings
Jan 15, 2021
Oral proceedings: Request for postponement
Jan 14, 2021
Brief communication - Opposition proceedings
Jan 8, 2021
(Electronic) Receipt
Jan 8, 2021
Letter accompanying subsequently filed items
Jan 8, 2021
Written submission in preparation to/during oral proceedings
Aug 5, 2020
(Electronic) Receipt
Aug 5, 2020
Advice of delivery
Aug 5, 2020
Letter accompanying subsequently filed items
Aug 3, 2020
Advice of delivery
Jul 30, 2020
Information concerning oral proceedings
Jul 22, 2020
Oral proceedings: reply to date proposed
Jul 21, 2020
Oral proceedings: reply to date proposed
Jun 3, 2020
Confirmation of revocation of automatic debit order
May 28, 2020
Letter relating to the automatic debiting procedure
Apr 17, 2020
Notification concerning the date of oral proceedings
Apr 17, 2020
Notification concerning the date of oral proceedings
Apr 9, 2020
(Electronic) Receipt
Apr 9, 2020
(Electronic) Receipt
Apr 9, 2020
Letter accompanying subsequently filed items
Apr 9, 2020
Letter accompanying subsequently filed items
Apr 9, 2020
Written submission in preparation to/during oral proceedings
Apr 9, 2020
Written submission in preparation to/during oral proceedings
Apr 8, 2020
Result of consultation by telephone/in person
Mar 3, 2020
Brief communication - Opposition proceedings
Feb 27, 2020
(Electronic) Receipt
Feb 27, 2020
Letter accompanying subsequently filed items
Feb 27, 2020
Notice of opposition
Aug 16, 2019
Request for interpreters during oral proceedings
Aug 13, 2019
Advice of delivery
Aug 12, 2019
Advice of delivery
Aug 9, 2019
Advice of delivery
Aug 8, 2019
Annex to the communication - opposition
Aug 8, 2019
Information concerning oral proceedings
Aug 8, 2019
Summons to attend oral proceedings
Aug 8, 2019
Summons to attend oral proceedings
Jun 26, 2019
Brief communication - Opposition proceedings
Jun 24, 2019
Communication of the registration of a transfer or change of name and/or address
Jun 21, 2019
(Electronic) Receipt
Jun 21, 2019
Letter accompanying subsequently filed items
Jun 21, 2019
Letter regarding the opposition procedure (no time limit)
Jun 18, 2019
Submission concerning change of applicant's address
Apr 9, 2019
Communication of amended entries
Apr 4, 2019
Brief communication - Opposition proceedings
Mar 29, 2019
(Electronic) Receipt
Mar 29, 2019
Claims
Mar 29, 2019
Claims
Mar 29, 2019
Letter accompanying subsequently filed items
Mar 29, 2019
Reply of the patent proprietor to the notice(s) of opposition
Mar 28, 2019
Request concerning representative opponent
Mar 7, 2019
Brief communication - Opposition proceedings
Mar 1, 2019
(Electronic) Receipt
Mar 1, 2019
Letter accompanying subsequently filed items
Mar 1, 2019
Reply of the patent proprietor to the notice(s) of opposition
Dec 17, 2018
Communication concerning the filing of a power of attorney
Dec 17, 2018
Communication of amended entries concerning the representative
Dec 11, 2018
Authorisation
Dec 11, 2018
Submission concerning change of applicant's representative
Nov 22, 2018
Invitation to file an authorisation
Nov 12, 2018
Submission concerning change of applicant's representative
Oct 22, 2018
Communication of a notice of opposition and request to file observations
Oct 22, 2018
Notice of further oppositions to opponent(s)
Oct 10, 2018
Communication of a notice of opposition - first information to patent proprietor
Oct 4, 2018
(Electronic) Receipt
Oct 4, 2018
Non-patent literature cited during the opposition procedure
Oct 4, 2018
Notice of opposition
Oct 4, 2018
Notice of opposition
Oct 4, 2018
Patent document cited during the examination procedure
Oct 4, 2018
Patent document cited during the examination procedure
Oct 4, 2018
Patent document cited during the examination procedure
Oct 4, 2018
Patent document cited during the examination procedure
Oct 4, 2018
Patent document cited during the opposition procedure
Jan 26, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 4, 2018
Refund of fees
Dec 15, 2017
Communication concerning the filing of a power of attorney
Dec 15, 2017
Communication of amended entries concerning the representative
Dec 14, 2017
Decision to grant a European patent
Nov 27, 2017
(Electronic) Receipt
Nov 27, 2017
Filing of the translations of the claims
Nov 27, 2017
French translation of claims
Nov 27, 2017
German translation of the claims
Nov 27, 2017
Submission concerning change of applicant's representative
Aug 8, 2017
Bibliographic data of the European patent application
Aug 8, 2017
Communication about intention to grant a European patent
Aug 8, 2017
Intention to grant (signatures)
Aug 8, 2017
Text intended for grant (clean copy)
Aug 8, 2017
Text intended for grant (version for approval)
Feb 9, 2016
Amended claims with annotations
Feb 9, 2016
Amended description with annotations
Feb 9, 2016
Claims
Feb 9, 2016
Description
Feb 9, 2016
Reply to communication from the Examining Division
Oct 21, 2015
Annex to the communication
Oct 21, 2015
Communication from the Examining Division
Jul 16, 2015
Miscellaneous requests concerning client data
May 13, 2014
Submission concerning representation
Mar 28, 2014
CDS Clean up - amended data concerning the representative of the applicant (Association)
Mar 17, 2014
(Electronic) Receipt
Mar 17, 2014
Letter accompanying subsequently filed items
Mar 17, 2014
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Mar 17, 2014
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Mar 17, 2014
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Mar 17, 2014
Matter concerning the application
Nov 26, 2013
Transmittal of third party observations to applicant
Nov 20, 2013
Observations by third parties
Apr 18, 2012
Letter relating to the automatic debiting procedure
Aug 4, 2008
Notice drawing attention to the payment of the renewal fee and additional fee
Jun 11, 2008
Final instructions (loss of partial rights)
Mar 6, 2008
Amended claims filed after receipt of (European) search report
Mar 6, 2008
Amended claims filed after receipt of (European) search report
Mar 6, 2008
Amendments received before examination
Feb 27, 2008
Notification on forthcoming publication of bibliographic data
Feb 25, 2008
Designation deemed to be withdrawn (loss of partial rights)
Feb 4, 2008
Communication regarding possible amendment of claims/payment of claims fees
Jan 29, 2008
Confirmation of receipt of (electronically) transmitted priority document
Jan 17, 2008
Letter concerning fees and payments
Jan 17, 2008
Payment of fees and costs
Jan 15, 2008
Copy of the international preliminary report on patentability
Jan 10, 2008
Matter concerning the application
Jan 10, 2008
Request for entry into the European phase
Nov 5, 2007
Information on entry into European phase
Jan 15, 2007
Priority document (electronically transmitted)
Dec 28, 2006
Copy of the international search report
Dec 28, 2006
Published international application - A1

EP1902264

PRAXAIR TECHNOLOGY

Application Number: EP06785005A
Filing Date: Jun 16, 2006
Status: Patent Maintained As Amended; Dec 3, 2021
Publication Date: Jan 5, 2022
External Links: Slate, Register , Google Patents

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Cryogenic Air Separation

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Dossier Documents

EP1902264