Vpsa Process And Enhanced Oxygen Recovery

Patent No. EP2046483 (titled "Vpsa Process And Enhanced Oxygen Recovery") was filed by Praxair Technology on Jul 3, 2007. The application was issued on Aug 22, 2018.

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	Apr 30, 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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Apr 7, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Apr 7, 2022
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Apr 4, 2022
Termination of the opposition proceedings with revocation of patent
Jan 21, 2022
Communication: patent lapsed
Jan 21, 2022
Communication: patent lapsed
Oct 28, 2021
(Electronic) Receipt
Oct 28, 2021
Advice of delivery
Oct 28, 2021
Letter accompanying subsequently filed items
Oct 25, 2021
Advice of delivery
Oct 25, 2021
Annex to the communication - opposition
Oct 25, 2021
Decision of the Opposition Division and instruction
Oct 25, 2021
Decision revoking the European patent
Oct 25, 2021
Decision revoking the European patent
Oct 25, 2021
Grounds for the decision (Annex) - opposition
Oct 25, 2021
Means of redress
Oct 25, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 25, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 25, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 25, 2021
Provision of a copy of the minutes - opposition procedure
Oct 25, 2021
Provision of a copy of the minutes - opposition procedure
Oct 25, 2021
Transmittal of decision / summons - opposition
Oct 25, 2021
Transmittal of decision / summons - opposition
Sep 29, 2021
Brief communication - Opposition proceedings
Sep 28, 2021
Information about the result of oral proceedings
Sep 22, 2021
(Electronic) Receipt
Sep 22, 2021
Letter accompanying subsequently filed items
Sep 22, 2021
Request for interpreters during oral proceedings
Aug 3, 2021
Brief communication - Opposition proceedings
Jul 27, 2021
(Electronic) Receipt
Jul 27, 2021
Letter accompanying subsequently filed items
Jul 27, 2021
Withdrawal of a request for oral proceedings
Jul 16, 2021
Brief communication - Opposition proceedings
Jul 13, 2021
(Electronic) Receipt
Jul 13, 2021
Citation in opposition procedure - 006
Jul 13, 2021
Citation in opposition procedure - 007
Jul 13, 2021
Citation in opposition procedure - 008
Jul 13, 2021
Consolidated list of cited opposition documents
Jul 13, 2021
Letter accompanying subsequently filed items
Jul 13, 2021
Request for interpreters during oral proceedings
Jul 13, 2021
Written submission in preparation to/during oral proceedings
May 27, 2021
Notification concerning the date of oral proceedings
May 27, 2021
Notification concerning the date of oral proceedings
Jan 12, 2021
Advice of delivery
Nov 30, 2020
(Electronic) Receipt
Nov 30, 2020
Advice of delivery
Nov 30, 2020
Letter accompanying subsequently filed items
Nov 12, 2020
Advice of delivery
Nov 11, 2020
Communication of amended entries
Nov 10, 2020
Acknowledgement of a document
Nov 10, 2020
Acknowledgement of a document
Nov 10, 2020
Annex to the communication - opposition
Nov 10, 2020
Information concerning oral proceedings
Nov 10, 2020
Summons to attend oral proceedings
Nov 10, 2020
Summons to attend oral proceedings
Nov 3, 2020
Letter accompanying subsequently filed items
Nov 3, 2020
Request for change of opponent's representative
Oct 9, 2020
Brief communication - Opposition proceedings
Oct 9, 2020
Notification concerning the date of oral proceedings
Oct 9, 2020
Notification concerning the date of oral proceedings
Oct 6, 2020
(Electronic) Receipt
Oct 6, 2020
Letter accompanying subsequently filed items
Oct 6, 2020
Oral proceedings: reply to date proposed
Sep 15, 2020
Brief communication - Opposition proceedings
Sep 10, 2020
(Electronic) Receipt
Sep 10, 2020
Letter accompanying subsequently filed items
Sep 10, 2020
Written submission in preparation to/during oral proceedings
Sep 9, 2020
Brief communication - Opposition proceedings
Sep 9, 2020
Notification concerning the date of oral proceedings
Sep 1, 2020
(Electronic) Receipt
Sep 1, 2020
Citation in opposition procedure - 005
Sep 1, 2020
Letter accompanying subsequently filed items
Sep 1, 2020
Written submission in preparation to/during oral proceedings
Jun 3, 2020
Confirmation of revocation of automatic debit order
May 28, 2020
Letter relating to the automatic debiting procedure
Feb 28, 2020
Advice of delivery
Feb 24, 2020
Advice of delivery
Feb 20, 2020
Acknowledgement of a document
Feb 20, 2020
Acknowledgement of a document
Feb 20, 2020
Annex to the communication - opposition
Feb 20, 2020
Information about the result of oral proceedings
Feb 20, 2020
Information concerning oral proceedings
Feb 20, 2020
Summons to attend oral proceedings
Feb 20, 2020
Summons to attend oral proceedings
Nov 21, 2019
Brief communication - Opposition proceedings
Nov 14, 2019
(Electronic) Receipt
Nov 14, 2019
Auxiliary request during Opposition procedure
Nov 14, 2019
Auxiliary request during Opposition procedure
Nov 14, 2019
Auxiliary request during Opposition procedure - 01
Nov 14, 2019
Auxiliary request during Opposition procedure - 02
Nov 14, 2019
Letter accompanying subsequently filed items
Nov 14, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jul 18, 2019
Brief communication - Opposition proceedings
Jul 18, 2019
Communication concerning the filing of a power of attorney
Jul 18, 2019
Communication of amended entries concerning the representative
Jul 4, 2019
Communication of a notice of opposition and request to file observations
Jul 4, 2019
Notice of further oppositions to opponent(s)
Jul 3, 2019
Authorisation
Jul 3, 2019
Submission concerning change of applicant's representative
Jun 24, 2019
Communication of the registration of a transfer or change of name and/or address
Jun 18, 2019
Invitation to file an authorisation
Jun 18, 2019
Submission concerning change of applicant's address
Jun 7, 2019
Authorisation
Jun 7, 2019
Submission concerning change of applicant's representative
May 7, 2019
Communication of a notice of opposition - first information to patent proprietor
Apr 30, 2019
(Electronic) Receipt
Apr 30, 2019
Any annexes (other than citation) to an opposition letter
Apr 30, 2019
Citation in opposition procedure - 001
Apr 30, 2019
Citation in opposition procedure - 002
Apr 30, 2019
Citation in opposition procedure - 003
Apr 30, 2019
Citation in opposition procedure - 004
Apr 30, 2019
International publication (Pamphlet)
Apr 30, 2019
Notice of opposition
Apr 30, 2019
Notice of opposition
Sep 3, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 26, 2018
Decision to grant a European patent
Jul 11, 2018
(Electronic) Receipt
Jul 11, 2018
French translation of claims
Jul 11, 2018
German translation of the claims
Jul 11, 2018
Letter accompanying subsequently filed items
Jun 5, 2018
Communication of amended entries concerning the representative
Jun 4, 2018
Communication concerning the filing of a power of attorney
May 10, 2018
(Electronic) Receipt
May 10, 2018
Letter accompanying subsequently filed items
May 10, 2018
Submission concerning change of applicant's representative
Mar 6, 2018
Bibliographic data of the European patent application
Mar 6, 2018
Communication about intention to grant a European patent
Mar 6, 2018
Intention to grant (signatures)
Mar 6, 2018
Text intended for grant (clean copy)
Mar 6, 2018
Text intended for grant (version for approval)
Jan 27, 2017
(Electronic) Receipt
Jan 27, 2017
Amended claims with annotations
Jan 27, 2017
Amended description with annotations
Jan 27, 2017
Claims
Jan 27, 2017
Description
Jan 27, 2017
Letter accompanying subsequently filed items
Jan 27, 2017
Reply to communication from the Examining Division
Sep 20, 2016
Annex to the communication
Sep 20, 2016
Communication from the Examining Division
Sep 2, 2016
Examination started
Nov 12, 2015
Response to enquiry for communication from the Examining Division
Nov 9, 2015
Enquiry as to when a communication from the Examining Division can be expected
Nov 9, 2015
Miscellaneous requests concerning client data
Jul 16, 2015
Request for change of applicant's representative
May 19, 2014
CDS Clean up - amended data concerning the representative for the applicant
May 13, 2014
Submission concerning representation
Apr 18, 2012
Letter relating to the automatic debiting procedure
Jun 26, 2009
Final instructions (loss of partial rights)
Mar 18, 2009
Notification on forthcoming publication of bibliographic data
Mar 17, 2009
Designation deemed to be withdrawn (loss of partial rights)
Feb 25, 2009
Communication regarding possible amendment of claims/payment of claims fees
Feb 2, 2009
(Electronic) Receipt
Feb 2, 2009
Amended claims filed after receipt of (European) search report
Feb 2, 2009
Request for entry into the European phase
Jan 20, 2009
Copy of the international preliminary report on patentability
Nov 13, 2008
Information on entry into European phase
Feb 29, 2008
Confirmation of receipt of (electronically) transmitted priority document
Feb 6, 2008
Priority document (electronically transmitted)
Jan 10, 2008
Copy of the international search report

EP2046483

PRAXAIR TECHNOLOGY

Application Number: EP07810198A
Filing Date: Jul 3, 2007
Status: Revoked; Apr 8, 2022
Publication Date: Aug 22, 2018
External Links: Slate, EP2046483B1, Google Patents

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Vpsa Process And Enhanced Oxygen Recovery

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Dossier Documents

EP2046483