IP Verse

Method And System For Storing Hydrogen In A Salt Cavern With A Permeation Barrier

Patent No. EP2855306 (titled "Method And System For Storing Hydrogen In A Salt Cavern With A Permeation Barrier") was filed by Praxair Technology on May 7, 2013. The application was issued on Mar 29, 2017.

Patent Summary

Patent Family

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Patent Oppositions (4)

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
INNOGY GAS STORAGE NWE	Apr 10, 2017	RICHLY & RITSCHEL PATENTANWALTE PARTG MBB
LAIR LIQUIDE	Apr 7, 2017	KEENWAY PATENTANWALTE NEUMANN HEINE TARUTTIS
ENERGYSTOCK	Apr 6, 2017	RITTNER
STORENGY	Apr 5, 2017	DELUMEAU

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

Mar 25, 2019
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Mar 25, 2019
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Mar 25, 2019
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Mar 25, 2019
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Mar 25, 2019
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Mar 20, 2019
Termination of the opposition proceedings with revocation of patent
Feb 15, 2019
Advice of delivery
Feb 15, 2019
Advice of delivery
Feb 11, 2019
Advice of delivery
Feb 11, 2019
Advice of delivery
Jan 4, 2019
Advice of delivery
Dec 13, 2018
Advice of delivery
Dec 12, 2018
Notification concerning the date of oral proceedings
Dec 11, 2018
Advice of delivery
Dec 11, 2018
Advice of delivery
Dec 11, 2018
Notification concerning the date of oral proceedings
Dec 10, 2018
Advice of delivery
Dec 10, 2018
Advice of delivery
Dec 10, 2018
Notification concerning the date of oral proceedings
Dec 7, 2018
Acknowledgement of a document
Dec 7, 2018
Acknowledgement of a document
Dec 7, 2018
Acknowledgement of a document
Dec 7, 2018
Acknowledgement of a document
Dec 7, 2018
Acknowledgement of a document
Dec 7, 2018
Decision of the Opposition Division and instruction
Dec 7, 2018
Decision revoking the European patent
Dec 7, 2018
Grounds for the decision (Annex) - opposition
Dec 7, 2018
Internal form - Opposition/addressees
Dec 6, 2018
Notification concerning the date of oral proceedings
Dec 6, 2018
Notification concerning the date of oral proceedings
Dec 6, 2018
Notification concerning the date of oral proceedings
Dec 6, 2018
Notification concerning the date of oral proceedings
Dec 6, 2018
Notification concerning the date of oral proceedings
Nov 23, 2018
Brief communication - Opposition proceedings
Nov 23, 2018
Brief communication - Opposition proceedings
Nov 23, 2018
Brief communication - Opposition proceedings
Nov 23, 2018
Brief communication - Opposition proceedings
Nov 23, 2018
Brief communication - Opposition proceedings
Nov 21, 2018
Brief communication - Opposition proceedings
Nov 21, 2018
Brief communication - Opposition proceedings
Nov 21, 2018
Brief communication - Opposition proceedings
Nov 21, 2018
Brief communication - Opposition proceedings
Nov 21, 2018
Brief communication - Opposition proceedings
Nov 21, 2018
Brief communication - Opposition proceedings
Nov 21, 2018
Brief communication - Opposition proceedings
Nov 21, 2018
Brief communication - Opposition proceedings
Nov 16, 2018
(Electronic) Receipt
Nov 16, 2018
Letter accompanying subsequently filed items
Nov 16, 2018
Written submission in preparation to/during oral proceedings
Nov 15, 2018
(Electronic) Receipt
Nov 15, 2018
(Electronic) Receipt
Nov 15, 2018
Letter accompanying subsequently filed items
Nov 15, 2018
Letter accompanying subsequently filed items
Nov 15, 2018
Written submission in preparation to/during oral proceedings
Nov 15, 2018
Written submission in preparation to/during oral proceedings
Nov 14, 2018
Request for interpreters during oral proceedings
Nov 13, 2018
(Electronic) Receipt
Nov 13, 2018
Letter accompanying subsequently filed items
Nov 13, 2018
Written submission in preparation to/during oral proceedings
Nov 8, 2018
Brief communication - Opposition proceedings
Nov 8, 2018
Brief communication - Opposition proceedings
Nov 8, 2018
Brief communication - Opposition proceedings
Nov 8, 2018
Brief communication - Opposition proceedings
Nov 2, 2018
(Electronic) Receipt
Nov 2, 2018
Amended claims with annotations
Nov 2, 2018
Amended description with annotations
Nov 2, 2018
Auxiliary request during Opposition procedure
Nov 2, 2018
Description
Nov 2, 2018
Description
Nov 2, 2018
Letter accompanying subsequently filed items
Nov 2, 2018
Main request during Opposition procedure
Nov 2, 2018
Written submission in preparation to/during oral proceedings
Aug 14, 2018
Advice of delivery
Aug 6, 2018
Advice of delivery
Aug 2, 2018
Communication about missing advice of delivery
Jul 26, 2018
Advice of delivery
Jul 26, 2018
Advice of delivery
Jul 26, 2018
Advice of delivery
Jul 5, 2018
Advice of delivery
Jun 29, 2018
Advice of delivery
Jun 26, 2018
Advice of delivery
Jun 25, 2018
Advice of delivery
Jun 25, 2018
Advice of delivery
Jun 22, 2018
Acknowledgement of a document
Jun 22, 2018
Acknowledgement of a document
Jun 22, 2018
Acknowledgement of a document
Jun 22, 2018
Acknowledgement of a document
Jun 22, 2018
Acknowledgement of a document
Jun 22, 2018
Annex to the communication - opposition
Jun 22, 2018
Information concerning oral proceedings
Jun 22, 2018
Preparation for oral proceedings
Jun 22, 2018
Summons to attend oral proceedings
Jun 22, 2018
Summons to attend oral proceedings
Jun 22, 2018
Summons to attend oral proceedings
Jun 22, 2018
Summons to attend oral proceedings
Jun 22, 2018
Summons to attend oral proceedings
Jun 21, 2018
Brief communication - Opposition proceedings
Jun 21, 2018
Brief communication - Opposition proceedings
Jun 21, 2018
Brief communication - Opposition proceedings
Jun 21, 2018
Brief communication - Opposition proceedings
Jun 21, 2018
Brief communication - Opposition proceedings
Jun 21, 2018
Brief communication - Opposition proceedings
Jun 21, 2018
Brief communication - Opposition proceedings
Jun 21, 2018
Brief communication - Opposition proceedings
May 22, 2018
Communication of amended entries
May 16, 2018
Request concerning representative opponent
Apr 23, 2018
Request concerning representative opponent
Apr 17, 2018
Communication of amended entries
Mar 20, 2018
Brief communication - Opposition proceedings
Mar 20, 2018
Brief communication - Opposition proceedings
Mar 20, 2018
Brief communication - Opposition proceedings
Mar 20, 2018
Brief communication - Opposition proceedings
Mar 20, 2018
Request concerning representative opponent
Mar 9, 2018
(Electronic) Receipt
Mar 9, 2018
Letter accompanying subsequently filed items
Mar 9, 2018
Reply from the opponent to submission of proprietor
Oct 13, 2017
Brief communication - Opposition proceedings
Oct 13, 2017
Brief communication - Opposition proceedings
Oct 13, 2017
Brief communication - Opposition proceedings
Oct 13, 2017
Brief communication - Opposition proceedings
Oct 9, 2017
Amended claims with annotations
Oct 9, 2017
Claims
Oct 9, 2017
Reply of the patent proprietor to the notice(s) of opposition
May 30, 2017
Communication of a notice of opposition and request to file observations
May 30, 2017
Notice of further oppositions to opponent(s)
May 30, 2017
Notice of further oppositions to opponent(s)
May 30, 2017
Notice of further oppositions to opponent(s)
May 30, 2017
Notice of further oppositions to opponent(s)
Apr 28, 2017
Communication of a notice of opposition - first information to patent proprietor
Apr 13, 2017
Letter regarding the opposition procedure (no time limit)
Apr 13, 2017
Letter regarding the opposition procedure (no time limit)
Apr 13, 2017
Non-patent literature cited during the opposition procedure
Apr 13, 2017
Non-patent literature cited during the opposition procedure
Apr 13, 2017
Non-patent literature cited during the opposition procedure
Apr 12, 2017
Communication of a notice of opposition - first information to patent proprietor
Apr 11, 2017
Communication of a notice of opposition - first information to patent proprietor
Apr 10, 2017
(Electronic) Receipt
Apr 10, 2017
Non-patent literature cited during the opposition procedure
Apr 10, 2017
Non-patent literature cited during the opposition procedure
Apr 10, 2017
Non-patent literature cited during the opposition procedure
Apr 10, 2017
Non-patent literature cited during the opposition procedure
Apr 10, 2017
Notice of opposition
Apr 10, 2017
Notice of opposition
Apr 10, 2017
Patent document cited during the opposition procedure
Apr 10, 2017
Patent document cited during the opposition procedure
Apr 7, 2017
(Electronic) Receipt
Apr 7, 2017
Letter regarding the opposition procedure (no time limit)
Apr 7, 2017
Non-patent literature cited during the opposition procedure
Apr 7, 2017
Non-patent literature cited during the opposition procedure
Apr 7, 2017
Non-patent literature cited during the opposition procedure
Apr 7, 2017
Non-patent literature cited during the opposition procedure
Apr 7, 2017
Non-patent literature cited during the opposition procedure
Apr 7, 2017
Non-patent literature cited during the opposition procedure
Apr 7, 2017
Non-patent literature cited during the opposition procedure
Apr 7, 2017
Notice of opposition
Apr 7, 2017
Notice of opposition
Apr 7, 2017
Patent document cited during the opposition procedure
Apr 7, 2017
Patent document cited during the opposition procedure
Apr 6, 2017
(Electronic) Receipt
Apr 6, 2017
Authorisation
Apr 6, 2017
Non-patent literature cited during the opposition procedure
Apr 6, 2017
Non-patent literature cited during the opposition procedure
Apr 6, 2017
Non-patent literature cited during the opposition procedure
Apr 6, 2017
Non-patent literature cited during the opposition procedure
Apr 6, 2017
Notice of opposition
Apr 6, 2017
Notice of opposition
Apr 6, 2017
Patent document cited during the opposition procedure
Apr 6, 2017
Patent document cited during the opposition procedure
Apr 5, 2017
(Electronic) Receipt
Apr 5, 2017
Non-patent literature cited during the opposition procedure
Apr 5, 2017
Non-patent literature cited during the opposition procedure
Apr 5, 2017
Non-patent literature cited during the opposition procedure
Apr 5, 2017
Non-patent literature cited during the opposition procedure
Apr 5, 2017
Non-patent literature cited during the opposition procedure
Apr 5, 2017
Non-patent literature cited during the opposition procedure
Apr 5, 2017
Non-patent literature cited during the opposition procedure
Apr 5, 2017
Non-patent literature cited during the opposition procedure
Apr 5, 2017
Non-patent literature cited during the opposition procedure
Apr 5, 2017
Non-patent literature cited during the opposition procedure
Apr 5, 2017
Non-patent literature cited during the opposition procedure
Apr 5, 2017
Non-patent literature cited during the opposition procedure
Apr 5, 2017
Notice of opposition
Apr 5, 2017
Notice of opposition
Apr 5, 2017
Patent document cited during the opposition procedure
Feb 15, 2017
Refund of fees
Feb 3, 2017
Communication concerning correction of publication errors in European patent specification
Jan 27, 2017
(Electronic) Receipt
Jan 27, 2017
Letter accompanying subsequently filed items
Jan 27, 2017
Request for correction of the publication
Jul 14, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 16, 2016
Decision to grant a European patent
Jun 16, 2016
Submission concerning change of applicant's representative
May 17, 2016
Filing of the translations of the claims
May 17, 2016
French translation of claims
May 17, 2016
German translation of the claims
Jan 12, 2016
Bibliographic data of the European patent application
Jan 12, 2016
Communication about intention to grant a European patent
Jan 12, 2016
Intention to grant (signatures)
Jan 12, 2016
Text intended for grant
Dec 2, 2015
Examination started
Mar 11, 2015
Notification on forthcoming publication of bibliographic data
Jan 23, 2015
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jan 21, 2015
Communication to designated inventor
Dec 8, 2014
Copy of the international preliminary report on patentability
Nov 10, 2014
(Electronic) Receipt
Nov 10, 2014
Amended claims filed after receipt of (European) search report
Nov 10, 2014
Amended claims with annotations
Nov 10, 2014
Request for entry into the European phase
Oct 6, 2014
Information on entry into European phase
Dec 19, 2013
Priority document (electronically transmitted)
Nov 28, 2013
Copy of the international search report
Nov 28, 2013
Published international application - A1
Jul 10, 2013
Written opinion of the ISA, boxes No. I to VIII
Jul 10, 2013
Written opinion of the ISA, cover sheet
Jul 10, 2013
Written opinion of the ISA, supplemental box
May 17, 2013
Abstract
May 17, 2013
Claims
May 17, 2013
Description
May 17, 2013
Drawings

EP2855306

PRAXAIR TECHNOLOGY

Application Number: EP13723639A
Filing Date: May 7, 2013
Status: Revoked; Mar 22, 2019
Publication Date: Mar 29, 2017
External Links: Slate, Register , Google Patents