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IP Verse

Hydrogen Storage And Supply Method - EP1735236

The patent EP1735236 was granted to Praxair Technology on Feb 14, 2018. The application was originally filed on Mar 22, 2005 under application number EP05725984A. The patent is currently recorded with a legal status of "Opposition Rejected".

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, Register, Google Patents

Patent Summary

Patent Family

Patent Oppositions (2)

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	Opposition Status
Get instant alerts for new oppositions and patent status changes
DEEPKBB	Nov 13, 2018	RITTNER	ADMISSIBLE
LAIR LIQUIDE	Nov 12, 2018	AIR LIQUIDE	ADMISSIBLE

Patent Citations (10) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation Phase	Publication Number
INTERNATIONAL-SEARCH-REPORT	US2004123738
OPPOSITION	EP0266731
OPPOSITION	US4183369
OPPOSITION	US4365978
OPPOSITION	US4725381
OPPOSITION	US6503299
OPPOSITION	WO02097321
OPPOSITION	WO9746304
SEARCH	US4725381
SEARCH	WO02097321

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