Hydrogen Storage And Supply Method

Patent No. EP1735236 (titled "Hydrogen Storage And Supply Method") was filed by Praxair Technology on Mar 22, 2005. The application was issued on Feb 14, 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
DEEPKBB	Nov 13, 2018	RITTNER
LAIR LIQUIDE	Nov 12, 2018	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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Oct 15, 2021
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Oct 15, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 15, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 12, 2021
Termination of the opposition proceedings with maintenance of patent
Jul 5, 2021
Advice of delivery
Jun 30, 2021
Advice of delivery
Jun 30, 2021
Annex to the communication - opposition
Jun 30, 2021
Decision of the Opposition Division and instruction
Jun 30, 2021
Decision rejecting the opposition
Jun 30, 2021
Decision rejecting the opposition
Jun 30, 2021
Decision rejecting the opposition
Jun 30, 2021
Grounds for the decision (Annex) - opposition
Jun 30, 2021
Means of redress
Jun 30, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 30, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 30, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 30, 2021
Provision of a copy of the minutes - opposition procedure
Jun 30, 2021
Provision of a copy of the minutes - opposition procedure
Jun 30, 2021
Provision of a copy of the minutes - opposition procedure
Jun 30, 2021
Transmittal of decision / summons - opposition
Jun 30, 2021
Transmittal of decision / summons - opposition
Jun 30, 2021
Transmittal of decision / summons - opposition
Apr 20, 2021
Information about the result of oral proceedings
Mar 23, 2021
Brief communication - Opposition proceedings
Mar 23, 2021
Brief communication - Opposition proceedings
Mar 18, 2021
Brief communication - Opposition proceedings
Mar 18, 2021
Brief communication - Opposition proceedings
Mar 18, 2021
Request for interpreters during oral proceedings
Mar 15, 2021
Request for interpreters during oral proceedings
Mar 10, 2021
Brief communication in opposition procedure - time limit
Feb 23, 2021
Brief communication - Opposition proceedings
Feb 23, 2021
Brief communication - Opposition proceedings
Feb 18, 2021
(Electronic) Receipt
Feb 18, 2021
Auxiliary request during Opposition procedure
Feb 18, 2021
Auxiliary request during Opposition procedure - 02
Feb 18, 2021
Letter accompanying subsequently filed items
Feb 18, 2021
Written submission in preparation to/during oral proceedings
Jan 20, 2021
Notification concerning the date of oral proceedings
Jan 20, 2021
Notification concerning the date of oral proceedings
Jan 20, 2021
Notification concerning the date of oral proceedings
Nov 13, 2020
Communication of amended entries
Nov 3, 2020
Letter accompanying subsequently filed items
Nov 3, 2020
Request for change of opponent's representative
Aug 4, 2020
(Electronic) Receipt
Aug 4, 2020
Advice of delivery
Aug 4, 2020
Letter accompanying subsequently filed items
Jul 23, 2020
Advice of delivery
Jul 22, 2020
Advice of delivery
Jul 21, 2020
Acknowledgement of a document
Jul 21, 2020
Acknowledgement of a document
Jul 21, 2020
Acknowledgement of a document
Jul 21, 2020
Annex to the communication - opposition
Jul 21, 2020
Summons to attend oral proceedings
Jul 21, 2020
Summons to attend oral proceedings
Jul 21, 2020
Summons to attend oral proceedings
Jun 3, 2020
Confirmation of revocation of automatic debit order
May 28, 2020
Letter relating to the automatic debiting procedure
Apr 30, 2020
Brief communication - Opposition proceedings
Apr 30, 2020
Brief communication - Opposition proceedings
Apr 30, 2020
Notification concerning the date of oral proceedings
Apr 30, 2020
Notification concerning the date of oral proceedings
Apr 30, 2020
Notification concerning the date of oral proceedings
Apr 27, 2020
Advice of delivery
Apr 27, 2020
Advice of delivery
Apr 27, 2020
Advice of delivery
Apr 23, 2020
(Electronic) Receipt
Apr 23, 2020
Letter accompanying subsequently filed items
Apr 23, 2020
Oral proceedings: Request for postponement
Mar 18, 2020
Brief communication - Opposition proceedings
Mar 18, 2020
Brief communication - Opposition proceedings
Mar 17, 2020
Brief communication - Opposition proceedings
Mar 17, 2020
Brief communication - Opposition proceedings
Mar 12, 2020
(Electronic) Receipt
Mar 12, 2020
(Electronic) Receipt
Mar 12, 2020
Citation in opposition procedure - 006
Mar 12, 2020
Citation in opposition procedure - 006
Mar 12, 2020
Citation in opposition procedure - 006
Mar 12, 2020
Citation in opposition procedure - 006
Mar 12, 2020
Citation in opposition procedure - 016
Mar 12, 2020
Consolidated list of cited opposition documents
Mar 12, 2020
Letter accompanying subsequently filed items
Mar 12, 2020
Letter accompanying subsequently filed items
Mar 12, 2020
Written submission in preparation to/during oral proceedings
Mar 12, 2020
Written submission in preparation to/during oral proceedings
Mar 5, 2020
Brief communication - Opposition proceedings
Mar 5, 2020
Brief communication - Opposition proceedings
Mar 2, 2020
Request for interpreters during oral proceedings
Feb 20, 2020
Brief communication - Opposition proceedings
Feb 20, 2020
Brief communication - Opposition proceedings
Feb 17, 2020
(Electronic) Receipt
Feb 17, 2020
Auxiliary request during Opposition procedure
Feb 17, 2020
Auxiliary request during Opposition procedure - 04
Feb 17, 2020
Letter accompanying subsequently filed items
Feb 17, 2020
Written submission in preparation to/during oral proceedings
Nov 21, 2019
Advice of delivery
Nov 13, 2019
Advice of delivery
Nov 12, 2019
Advice of delivery
Nov 11, 2019
Annex to the communication - opposition
Nov 11, 2019
Information concerning oral proceedings
Nov 11, 2019
Summons to attend oral proceedings
Nov 11, 2019
Summons to attend oral proceedings
Nov 11, 2019
Summons to attend oral proceedings
Jun 24, 2019
Communication of the registration of a transfer or change of name and/or address
Jun 18, 2019
Submission concerning change of proprietor's address
Apr 30, 2019
Brief communication - Opposition proceedings
Apr 11, 2019
Brief communication - Opposition proceedings
Apr 11, 2019
Brief communication - Opposition proceedings
Apr 5, 2019
(Electronic) Receipt
Apr 5, 2019
Auxiliary request during Opposition procedure
Apr 5, 2019
Auxiliary request during Opposition procedure
Apr 5, 2019
Auxiliary request during Opposition procedure
Apr 5, 2019
Auxiliary request during Opposition procedure
Apr 5, 2019
Auxiliary request during Opposition procedure - 01
Apr 5, 2019
Auxiliary request during Opposition procedure - 02
Apr 5, 2019
Auxiliary request during Opposition procedure - 03
Apr 5, 2019
Auxiliary request during Opposition procedure - 04
Apr 5, 2019
Letter accompanying subsequently filed items
Apr 5, 2019
Reply of the patent proprietor to the notice(s) of opposition
Mar 1, 2019
Miscellaneous requests concerning client data
Mar 1, 2019
Request for change of applicant's representative
Jan 2, 2019
Brief communication - Opposition proceedings
Jan 2, 2019
Brief communication - Opposition proceedings
Dec 20, 2018
Communication confirming withdrawal from representation
Dec 20, 2018
Communication of amended entries concerning the representative
Dec 19, 2018
Authorisation
Dec 19, 2018
Authorisation
Dec 19, 2018
Submission concerning change of proprietor's representative
Dec 14, 2018
Submission concerning change of proprietor's representative
Nov 26, 2018
Communication of a notice of opposition and request to file observations
Nov 26, 2018
Notice of further oppositions to opponent(s)
Nov 26, 2018
Notice of further oppositions to opponent(s)
Nov 19, 2018
Communication of a notice of opposition - first information to patent proprietor
Nov 19, 2018
Communication of a notice of opposition - first information to patent proprietor
Nov 13, 2018
(Electronic) Receipt
Nov 13, 2018
Authorisation
Nov 13, 2018
Citation in opposition procedure - 001
Nov 13, 2018
Citation in opposition procedure - 011
Nov 13, 2018
Citation in opposition procedure - 012
Nov 13, 2018
Citation in opposition procedure - 013
Nov 13, 2018
Citation in opposition procedure - 014
Nov 13, 2018
Citation in opposition procedure - 015
Nov 13, 2018
Citation in opposition procedure - 016
Nov 13, 2018
Notice of opposition
Nov 13, 2018
Notice of opposition
Nov 13, 2018
Patent document cited during the opposition procedure
Nov 13, 2018
Patent document cited during the opposition procedure
Nov 12, 2018
(Electronic) Receipt
Nov 12, 2018
Citation in opposition procedure - 002
Nov 12, 2018
Citation in opposition procedure - 003
Nov 12, 2018
Citation in opposition procedure - 004
Nov 12, 2018
Citation in opposition procedure - 005
Nov 12, 2018
Citation in opposition procedure - 006
Nov 12, 2018
Citation in opposition procedure - 007
Nov 12, 2018
Citation in opposition procedure - 008
Nov 12, 2018
Citation in opposition procedure - 009
Nov 12, 2018
Citation in opposition procedure - 010
Nov 12, 2018
Non-patent literature cited during the opposition procedure
Nov 12, 2018
Notice of opposition
Nov 12, 2018
Notice of opposition
Mar 2, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 18, 2018
Decision to grant a European patent
Dec 20, 2017
Communication concerning the filing of a power of attorney
Dec 20, 2017
Communication of amended entries concerning the representative
Oct 6, 2017
(Electronic) Receipt
Oct 6, 2017
French translation of claims
Oct 6, 2017
General authorisation
Oct 6, 2017
German translation of the claims
Oct 6, 2017
Letter accompanying subsequently filed items
Oct 6, 2017
Submission concerning change of applicant's representative
Jun 7, 2017
Bibliographic data of the European patent application
Jun 7, 2017
Communication about intention to grant a European patent
Jun 7, 2017
Intention to grant (signatures)
Jun 7, 2017
Text intended for grant (clean copy)
Jun 7, 2017
Text intended for grant (version for approval)
Feb 7, 2017
(Electronic) Receipt
Feb 7, 2017
Amended description with annotations
Feb 7, 2017
Amended description with annotations
Feb 7, 2017
Claims
Feb 7, 2017
Description
Feb 7, 2017
Letter accompanying subsequently filed items
Feb 7, 2017
Reply to communication from the Examining Division
Sep 27, 2016
Annex to the communication
Sep 27, 2016
Communication from the Examining Division
Feb 11, 2016
Response to enquiry for communication from the Examining Division
Feb 5, 2016
Enquiry as to when a communication from the Examining Division can be expected
Jul 16, 2015
Miscellaneous requests concerning client data
Jul 16, 2015
Request for change of applicant's representative
May 28, 2014
Amended claims with annotations
May 28, 2014
Amended description with annotations
May 28, 2014
Claims
May 28, 2014
Description
May 28, 2014
Reply to communication from the Examining Division
May 13, 2014
Submission concerning representation
Jan 24, 2014
Annex to the communication
Jan 24, 2014
Communication from the Examining Division
Apr 18, 2012
Letter relating to the automatic debiting procedure
Apr 12, 2012
Maintenance of the application
Feb 2, 2012
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jan 16, 2012
Communication regarding the transmission of the European search report
Jan 16, 2012
Supplementary European search report
Nov 29, 2006
Notification on forthcoming publication of bibliographic data
Nov 14, 2006
Communication regarding possible amendment of claims/payment of claims fees
Oct 23, 2006
Matter concerning the application
Oct 23, 2006
Request for entry into the European phase
Oct 16, 2006
Copy of the international preliminary report on patentability
Sep 1, 2006
Information on entry into European phase
Nov 14, 2005
Priority document (electronically transmitted)
Oct 27, 2005
Copy of the international search report
Oct 27, 2005
International publication of the international search report
Oct 27, 2005
Published international application - A2

EP1735236

PRAXAIR TECHNOLOGY

Application Number: EP05725984A
Filing Date: Mar 22, 2005
Status: Opposition Rejected; Oct 15, 2021
Publication Date: Feb 14, 2018
External Links: Slate, EP1735236B1, Google Patents

IP Verse

Hydrogen Storage And Supply Method

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP1735236