Hydraulic Drive Circuit With Parallel Architectured Accumulator

Patent No. EP2638293 (titled "Hydraulic Drive Circuit With Parallel Architectured Accumulator") was filed by Eaton on Oct 14, 2011. The application was issued on Jul 5, 2017.

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
ARBURG	Apr 4, 2018	REINHARDT

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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Feb 6, 2020
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Feb 6, 2020
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Feb 3, 2020
Termination of the opposition proceedings with maintenance of patent
Oct 29, 2019
Advice of delivery
Oct 25, 2019
Advice of delivery
Oct 25, 2019
Advice of delivery
Oct 23, 2019
Advice of delivery
Oct 22, 2019
Acknowledgement of a document
Oct 22, 2019
Acknowledgement of a document
Oct 22, 2019
Any annexes (other than citation) to an opposition letter
Oct 22, 2019
Decision of the Opposition Division and instruction
Oct 22, 2019
Decision rejecting the opposition
Oct 22, 2019
Grounds for the decision (Annex) - opposition
Oct 22, 2019
Internal form - Opposition/addressees
Oct 22, 2019
Means of redress
Oct 17, 2019
Notification concerning the date of oral proceedings
Oct 4, 2019
Brief communication - Opposition proceedings
Sep 27, 2019
Written submission in preparation to/during oral proceedings
Jul 9, 2019
Advice of delivery
Jul 8, 2019
Advice of delivery
Jul 5, 2019
Advice of delivery
Jul 4, 2019
Advice of delivery
Jul 3, 2019
Acknowledgement of a document
Jul 3, 2019
Acknowledgement of a document
Jul 3, 2019
Annex to the communication - opposition
Jul 3, 2019
Information concerning oral proceedings
Jul 3, 2019
Summons to attend oral proceedings
Jul 3, 2019
Summons to attend oral proceedings
Jun 6, 2019
Brief communication - Opposition proceedings
Jun 3, 2019
Brief communication - Opposition proceedings
May 29, 2019
Non-patent literature cited during the opposition procedure
May 29, 2019
Reply to an examination report in opposition proceedings
May 27, 2019
(Electronic) Receipt
May 27, 2019
Letter accompanying subsequently filed items
May 27, 2019
Non-patent literature cited during the opposition procedure
May 27, 2019
Reply to an examination report in opposition proceedings
Jan 18, 2019
Annex to the communication - opposition
Jan 18, 2019
Communication inviting the parties to file observations
Jan 18, 2019
Internal form - Opposition/addressees
Jan 17, 2019
Communication inviting the parties to file observations
Sep 24, 2018
Brief communication - Opposition proceedings
Sep 19, 2018
(Electronic) Receipt
Sep 19, 2018
Letter accompanying subsequently filed items
Sep 19, 2018
Reply of the patent proprietor to the notice(s) of opposition
Sep 18, 2018
Brief communication - Opposition proceedings
Sep 18, 2018
Rejection of request for extension of time limit
Sep 12, 2018
Request for extension of time limit
May 3, 2018
Communication of a notice of opposition and request to file observations
May 3, 2018
Notice of further oppositions to opponent(s)
Apr 26, 2018
(Electronic) Receipt
Apr 26, 2018
Citation for the examination procedure
Apr 26, 2018
Citation for the examination procedure
Apr 26, 2018
Citation for the examination procedure
Apr 26, 2018
Citation for the examination procedure
Apr 26, 2018
Citation for the examination procedure
Apr 26, 2018
Citation in opposition procedure
Apr 26, 2018
Letter accompanying subsequently filed items
Apr 10, 2018
Communication of a notice of opposition - first information to patent proprietor
Apr 10, 2018
Request for documents
Apr 4, 2018
(Electronic) Receipt
Apr 4, 2018
Non-patent literature cited during the opposition procedure
Apr 4, 2018
Non-patent literature cited during the opposition procedure
Apr 4, 2018
Non-patent literature cited during the opposition procedure
Apr 4, 2018
Non-patent literature cited during the opposition procedure
Apr 4, 2018
Non-patent literature cited during the opposition procedure
Apr 4, 2018
Non-patent literature cited during the opposition procedure
Apr 4, 2018
Non-patent literature cited during the opposition procedure
Apr 4, 2018
Notice of opposition
Apr 4, 2018
Notice of opposition
Apr 4, 2018
Patent document cited during the opposition procedure
Apr 4, 2018
Patent document cited during the opposition procedure
Jul 5, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 9, 2017
Decision to grant a European patent
May 23, 2017
Bibliographic data of the European patent application
May 23, 2017
Information about intention to grant a patent
May 23, 2017
Intention to grant (signatures)
May 23, 2017
Text intended for grant
May 9, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Apr 7, 2017
Communication of the registration of a transfer or change of name and/or address
Apr 7, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Apr 4, 2017
(Electronic) Receipt
Apr 4, 2017
Claims
Apr 4, 2017
French translation of claims
Apr 4, 2017
German translation of the claims
Apr 4, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Apr 4, 2017
Submission concerning change of applicant's address
Nov 30, 2016
Bibliographic data of the European patent application
Nov 30, 2016
Communication about intention to grant a European patent
Nov 30, 2016
Intention to grant (signatures)
Nov 30, 2016
Text intended for grant
Oct 24, 2016
Examination started
Feb 15, 2016
Communication concerning corrected entries of the applicant
Jul 9, 2015
Response to enquiry for communication from the Examining Division
Jul 6, 2015
Enquiry as to when a communication from the Examining Division can be expected
May 13, 2014
Submission concerning representation
Mar 3, 2014
Amended claims filed after receipt of (European) search report
Mar 3, 2014
Amended claims with annotations
Mar 3, 2014
Amended description filed after receipt of (European) search report
Mar 3, 2014
Amendments received before examination
Aug 23, 2013
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Aug 21, 2013
Notification on forthcoming publication of bibliographic data
Aug 15, 2013
Copy of the international search report
Aug 15, 2013
International publication of the international search report
Jul 24, 2013
Copy of the international preliminary report on patentability
Jul 1, 2013
Written opinion of the ISA, boxes No. I to VIII
Jul 1, 2013
Written opinion of the ISA, cover sheet
Jul 1, 2013
Written opinion of the ISA, supplemental box
Jun 5, 2013
Communication to designated inventor
May 15, 2013
(Electronic) Receipt
May 15, 2013
Request for entry into the European phase
Mar 1, 2013
Information on entry into European phase
May 18, 2012
Priority document (electronically transmitted)
Apr 26, 2012
Published international application - A2
Oct 24, 2011
Abstract
Oct 24, 2011
Claims
Oct 24, 2011
Description
Oct 24, 2011
Drawings

EP2638293

EATON

Application Number: EP11776048A
Filing Date: Oct 14, 2011
Status: Opposition Rejected; Feb 7, 2020
Publication Date: Jul 5, 2017
External Links: Slate, Register , Google Patents

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Hydraulic Drive Circuit With Parallel Architectured Accumulator

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Dossier Documents

EP2638293