Air Separation Refrigeration Supply Method

Patent No. EP2331899 (titled "Air Separation Refrigeration Supply Method") was filed by Praxair Technology on Jun 19, 2009. The application was issued on Aug 20, 2014.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
LINDE	May 20, 2015	IMHOF
LAIR LIQUIDE	May 6, 2015	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

Sep 5, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Sep 5, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Sep 5, 2022
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Aug 31, 2022
Termination of the opposition proceedings with revocation of patent
Jun 8, 2022
Decision revoking the European Patent (patent proprietor)
Jun 8, 2022
Decision revoking the European patent (opponent)
Jun 8, 2022
Decision revoking the European patent (opponent)
Feb 21, 2022
Communication concerning surcharge and failure to observe time limit
Oct 6, 2021
Communication to opponent concerning maintenance
Oct 6, 2021
Communication to opponent concerning maintenance
Oct 6, 2021
Communication with request to file translations
Sep 30, 2021
Maintenance of the patent with the documents specified in the final decision
Sep 21, 2021
Refund of fees
Aug 31, 2021
(Electronic) Receipt
Aug 31, 2021
Advice of delivery
Aug 31, 2021
Letter accompanying subsequently filed items
Aug 10, 2021
F3017 Oral Proceedings: Notification of cancellation/postponing
Aug 10, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Aug 10, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Aug 10, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Aug 5, 2021
F3014 Oral Proceedings: Order cancelling/postponing
Aug 4, 2021
(Electronic) Receipt
Aug 4, 2021
Letter accompanying subsequently filed items
Aug 4, 2021
Withdrawal of an appeal
Jul 20, 2021
F3345 Forwarding of submissions to parties
Jul 12, 2021
(Electronic) Receipt
Jul 12, 2021
Letter accompanying subsequently filed items
Jul 12, 2021
Letter dealing with oral proceedings during the appeal procedure
Jun 30, 2021
F3936 Acknowledgement of receipt Board of Appeal
Jun 24, 2021
(Electronic) Receipt
Jun 24, 2021
Advice of delivery
Jun 24, 2021
Letter accompanying subsequently filed items
Jun 22, 2021
F3011.1 Oral Proceedings: summons
Jun 22, 2021
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Jun 22, 2021
F3936 Acknowledgement of receipt Board of Appeal
Jun 17, 2021
F3010 Oral proceedings: order for summons
Feb 15, 2021
F3303.16 Change of composition of the Board (T)
Nov 3, 2020
Letter accompanying subsequently filed items
Nov 3, 2020
Request for change of opponent's representative
Jun 2, 2020
Communication of amended entries in the Register of European Patents
Jun 2, 2020
F3345 Forwarding of submissions to parties
May 28, 2020
Letter relating to the automatic debiting procedure
May 13, 2020
Request for change of name -opponent
May 12, 2020
Annexes in respect of a client data request
May 12, 2020
Annexes in respect of a client data request
May 12, 2020
Request for change of name -opponent
Jun 24, 2019
Communication of the registration of a transfer or change of name and/or address
Jun 24, 2019
F3345 Forwarding of submissions to parties
Jun 18, 2019
Submission concerning change of applicant's address
Aug 27, 2018
Composition of the board (T)
May 25, 2018
F3345 Forwarding of submissions to parties
May 24, 2018
F3345 Forwarding of submissions to parties
May 22, 2018
Reply to appeal
May 18, 2018
(Electronic) Receipt
May 18, 2018
Letter accompanying subsequently filed items
May 18, 2018
Non-Patent Literature cited during the appeal procedure
May 18, 2018
Reply to appeal
May 17, 2018
Reply to appeal
Jan 11, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jan 11, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Dec 22, 2017
(Electronic) Receipt
Dec 22, 2017
Letter accompanying subsequently filed items
Dec 22, 2017
Statement of grounds of appeal
Nov 23, 2017
F3204 Communication of the file number to the parties
Nov 8, 2017
Refund of fees
Oct 25, 2017
Processing of an appeal
Oct 24, 2017
(Electronic) Receipt
Oct 24, 2017
Letter accompanying subsequently filed items
Oct 24, 2017
Notice of appeal
Aug 28, 2017
Advice of delivery
Aug 25, 2017
Advice of delivery
Aug 25, 2017
Advice of delivery
Aug 24, 2017
Advice of delivery
Aug 23, 2017
Advice of delivery
Aug 22, 2017
Advice of delivery
Aug 17, 2017
Annex to the communication - opposition
Aug 17, 2017
Documents for the maintenance of the patent as amended
Aug 17, 2017
Internal form - Opposition/addressees
Aug 17, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 17, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 17, 2017
Provision of a copy of the minutes - opposition procedure
Aug 17, 2017
Scanned annex to a communication - opposition procedure
Aug 14, 2017
Brief communication - Opposition proceedings
Aug 14, 2017
Brief communication - Opposition proceedings
Aug 14, 2017
Communication of amended entries
Aug 14, 2017
Decision of the Opposition Division and instruction
Aug 14, 2017
Druckexemplar in opposition procedure
Aug 14, 2017
Grounds for the decision (Annex) - opposition
Aug 14, 2017
Interlocutory decision in opposition proceedings
Aug 14, 2017
Internal form - Opposition/addressees
Aug 14, 2017
Means of redress
Aug 14, 2017
Scanned annex to a communication - opposition procedure
Aug 8, 2017
Request concerning representative opponent
Jul 5, 2017
Brief communication - Opposition proceedings
Jul 5, 2017
Brief communication - Opposition proceedings
Jun 29, 2017
Letter regarding the opposition procedure (no time limit)
Jun 21, 2017
Brief communication - Opposition proceedings
Jun 21, 2017
Brief communication - Opposition proceedings
Jun 16, 2017
(Electronic) Receipt
Jun 16, 2017
Amended claims with annotations
Jun 16, 2017
Amended claims with annotations
Jun 16, 2017
Claims
Jun 16, 2017
Claims
Jun 16, 2017
Letter accompanying subsequently filed items
Jun 16, 2017
Non-patent literature cited during the opposition procedure
Jun 16, 2017
Non-patent literature cited during the opposition procedure
Jun 16, 2017
Written submission in preparation to/during oral proceedings
Jun 14, 2017
Withdrawal of a request for oral proceedings
Jun 13, 2017
(Electronic) Receipt
Jun 13, 2017
Letter accompanying subsequently filed items
Jun 13, 2017
Non-patent literature cited during the opposition procedure
Jun 13, 2017
Written submission in preparation to/during oral proceedings
May 29, 2017
Brief communication - Opposition proceedings
May 29, 2017
Brief communication - Opposition proceedings
May 22, 2017
Request for interpreters during oral proceedings
May 18, 2017
Brief communication - Opposition proceedings
May 12, 2017
Request for interpreters during oral proceedings
May 10, 2017
Brief communication - Opposition proceedings
Feb 10, 2017
Brief communication - Opposition proceedings
Feb 10, 2017
Brief communication - Opposition proceedings
Feb 9, 2017
Brief communication - Opposition proceedings
Feb 9, 2017
Brief communication - Opposition proceedings
Feb 7, 2017
(Electronic) Receipt
Feb 7, 2017
Letter accompanying subsequently filed items
Feb 7, 2017
Request for interpreters during oral proceedings
Feb 2, 2017
Request for interpreters during oral proceedings
Jan 26, 2017
Brief communication - Opposition proceedings
Jan 26, 2017
Brief communication - Opposition proceedings
Jan 20, 2017
(Electronic) Receipt
Jan 20, 2017
Citation in opposition procedure
Jan 20, 2017
Letter accompanying subsequently filed items
Jan 20, 2017
Written submission in preparation to/during oral proceedings
Dec 15, 2016
Advice of delivery
Dec 8, 2016
Advice of delivery
Dec 1, 2016
Advice of delivery
Nov 30, 2016
Advice of delivery
Nov 30, 2016
Advice of delivery
Nov 30, 2016
Advice of delivery
Nov 29, 2016
Acknowledgement of a document
Nov 29, 2016
Acknowledgement of a document
Nov 29, 2016
Acknowledgement of a document
Nov 29, 2016
Annex to the communication - opposition
Nov 29, 2016
Information concerning oral proceedings
Nov 29, 2016
Preparation for oral proceedings
Nov 29, 2016
Summons to attend oral proceedings
Nov 29, 2016
Summons to attend oral proceedings
Nov 29, 2016
Summons to attend oral proceedings
Nov 10, 2016
(Electronic) Receipt
Nov 10, 2016
Any annexes (other than citation) to an opposition letter
Nov 10, 2016
Letter accompanying subsequently filed items
Nov 10, 2016
Patent document cited during the opposition procedure
Nov 8, 2016
Advice of delivery
Nov 8, 2016
Advice of delivery
Nov 4, 2016
Advice of delivery
Oct 31, 2016
Advice of delivery
Oct 31, 2016
Advice of delivery
Oct 31, 2016
Advice of delivery
Oct 31, 2016
Advice of delivery
Oct 28, 2016
Acknowledgement of a document
Oct 28, 2016
Acknowledgement of a document
Oct 28, 2016
Acknowledgement of a document
Oct 28, 2016
Annex to the communication - opposition
Oct 28, 2016
Information concerning oral proceedings
Oct 28, 2016
Summons to attend oral proceedings
Oct 28, 2016
Summons to attend oral proceedings
Oct 28, 2016
Summons to attend oral proceedings
Jul 14, 2016
Brief communication - Opposition proceedings
Jul 14, 2016
Brief communication - Opposition proceedings
Jul 8, 2016
(Electronic) Receipt
Jul 8, 2016
Any annexes (other than citation) to an opposition letter
Jul 8, 2016
Letter accompanying subsequently filed items
Jul 8, 2016
Patent document cited during the opposition procedure
Jul 8, 2016
Reply from the opponent to submission of proprietor
Jun 2, 2016
Brief communication - Opposition proceedings
Jun 2, 2016
Brief communication - Opposition proceedings
May 25, 2016
Letter regarding the opposition procedure (no time limit)
Feb 3, 2016
Miscellaneous requests concerning client data
Jan 28, 2016
Brief communication - Opposition proceedings
Jan 28, 2016
Brief communication - Opposition proceedings
Jan 21, 2016
Letter regarding the opposition procedure (no time limit)
Jan 15, 2016
Brief communication - Opposition proceedings
Jan 15, 2016
Brief communication - Opposition proceedings
Jan 11, 2016
Reply of the patent proprietor to the notice(s) of opposition
Nov 12, 2015
Brief communication - Opposition proceedings
Nov 12, 2015
Brief communication - Opposition proceedings
Nov 12, 2015
Grant of extension of time limit (opposition procedure)
Nov 9, 2015
Request for extension of time limit
Oct 2, 2015
Brief communication - Opposition proceedings
Oct 2, 2015
Brief communication - Opposition proceedings
Sep 25, 2015
(Electronic) Receipt
Sep 25, 2015
Letter accompanying subsequently filed items
Sep 25, 2015
Letter regarding the opposition procedure (no time limit)
Sep 25, 2015
Patent document cited during the opposition procedure
Jun 30, 2015
Communication of a notice of opposition and request to file observations
Jun 30, 2015
Notice of further oppositions to opponent(s)
Jun 30, 2015
Notice of further oppositions to opponent(s)
Jun 2, 2015
Communication of a notice of opposition - first information to patent proprietor
May 20, 2015
Non-patent literature cited during the opposition procedure
May 20, 2015
Non-patent literature cited during the opposition procedure
May 20, 2015
Notice of opposition
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Payment of fees and costs
May 19, 2015
Communication of a notice of opposition - first information to patent proprietor
May 6, 2015
(Electronic) Receipt
May 6, 2015
Any annexes (other than citation) to an opposition letter
May 6, 2015
Any annexes (other than citation) to an opposition letter
May 6, 2015
Non-patent literature cited during the opposition procedure
May 6, 2015
Non-patent literature cited during the opposition procedure
May 6, 2015
Non-patent literature cited during the opposition procedure
May 6, 2015
Non-patent literature cited during the opposition procedure
May 6, 2015
Notice of opposition
May 6, 2015
Notice of opposition
May 6, 2015
Patent document cited during the opposition procedure
May 6, 2015
Patent document cited during the opposition procedure
May 6, 2015
Patent document cited during the opposition procedure
Aug 22, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 24, 2014
Decision to grant a European patent
May 13, 2014
Submission concerning representation
Apr 14, 2014
Filing of the translations of the claims
Apr 14, 2014
French translation of claims
Apr 14, 2014
German translation of the claims
Jan 31, 2014
Bibliographic data of the European patent application
Jan 31, 2014
Communication about intention to grant a European patent
Jan 31, 2014
Intention to grant (signatures)
Jan 31, 2014
Text intended for grant
Jan 22, 2014
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Jan 16, 2014
Claims
Jan 16, 2014
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Dec 3, 2013
Bibliographic data of the European patent application
Dec 3, 2013
Communication about intention to grant a European patent
Dec 3, 2013
Intention to grant (signatures)
Dec 3, 2013
Text intended for grant
Nov 28, 2013
Annex
Nov 28, 2013
Annex to the communication
Nov 28, 2013
Minutes of the oral proceedings (examining division)
Nov 28, 2013
Minutes of the oral proceedings (examining division)
Nov 28, 2013
Minutes of the oral proceedings (examining division)
Nov 28, 2013
Provision of a copy of the minutes of oral proceedings
Oct 8, 2013
Findings upon submissions relating to oral proceedings
Oct 7, 2013
(Electronic) Receipt
Oct 7, 2013
Amended claims with annotations
Oct 7, 2013
Amended claims with annotations
Oct 7, 2013
Amended claims with annotations
Oct 7, 2013
Claims
Oct 7, 2013
Claims
Oct 7, 2013
Claims
Oct 7, 2013
Claims
Oct 7, 2013
Letter accompanying subsequently filed items
Oct 7, 2013
Letter dealing with oral proceedings
Oct 7, 2013
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
May 3, 2013
Advice of delivery
Apr 15, 2013
Advice of delivery
Apr 12, 2013
Acknowledgement of a document
Apr 12, 2013
Annex to the communication
Apr 12, 2013
Summons to attend oral proceedings
Jan 22, 2013
Description
Jan 22, 2013
Reply to communication from the Examining Division
Sep 13, 2012
Annex to the communication
Sep 13, 2012
Communication from the Examining Division
Jan 20, 2012
Claims
Jan 20, 2012
Reply to communication from the Examining Division
Sep 26, 2011
Annex to the communication
Sep 26, 2011
Communication from the Examining Division
Aug 3, 2011
Notice drawing attention to the payment of the renewal fee and additional fee
May 18, 2011
Notification on forthcoming publication of bibliographic data
Apr 28, 2011
Communication regarding comments on Written Opinion/amendment of application/payment of claims fee
Mar 31, 2011
Copy of the international preliminary report on patentability
Mar 11, 2011
(Electronic) Receipt
Mar 11, 2011
Amended description filed after receipt of (European) search report
Mar 11, 2011
Request for entry into the European phase
Jan 21, 2011
Information on entry into European phase
Nov 25, 2010
Published international application - A4
Sep 16, 2010
Copy of the international search report
Sep 16, 2010
International publication of the international search report
Aug 2, 2010
Written opinion of the ISA, boxes No. I to VIII
Aug 2, 2010
Written opinion of the ISA, cover sheet
Aug 2, 2010
Written opinion of the ISA, supplemental box
Apr 13, 2010
Priority document (electronically transmitted)
Mar 18, 2010
Published international application - A2
Jul 1, 2009
Abstract
Jul 1, 2009
Claims
Jul 1, 2009
Description
Jul 1, 2009
Drawings

EP2331899

PRAXAIR TECHNOLOGY

Application Number: EP09789851A
Filing Date: Jun 19, 2009
Status: Revoked; Sep 2, 2022
Publication Date: Aug 20, 2014
External Links: Slate, Register , Google Patents

IP Verse

Air Separation Refrigeration Supply Method

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2331899