Device For Sifting Granular Material

Patent No. EP2785472 (titled "Device For Sifting Granular Material") was filed by Maschinenfabrik Kppern on Nov 23, 2012. The application was issued on Aug 7, 2024.

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
KHD HUMBOLDT WEDAG	Apr 18, 2017	CASTELL

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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Jul 11, 2024
Decision to maintain the European patent in amended form
Jul 11, 2024
Decision to maintain the European patent in amended form
Jun 12, 2024
(Electronic) Receipt
Jun 12, 2024
English translation of the claims
Jun 12, 2024
Filing of the translation of the amended claims
Jun 12, 2024
French translation of claims
Jun 12, 2024
Letter accompanying subsequently filed items
May 28, 2024
Communication to opponent concerning maintenance
May 28, 2024
Communication with request to file translations
May 8, 2024
Refund of fees
May 7, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
May 7, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
May 7, 2024
Maintenance of the patent with the documents specified in the final decision
May 2, 2024
Composition of the board (T)
Apr 30, 2024
(Electronic) Receipt
Apr 30, 2024
Letter accompanying subsequently filed items
Apr 30, 2024
Withdrawal of an appeal
Apr 9, 2024
F3204 Communication of the file number to the parties
Apr 9, 2024
F3204 Communication of the file number to the parties
Apr 4, 2024
(Electronic) Receipt
Apr 4, 2024
Letter accompanying subsequently filed items
Apr 4, 2024
Notice of appeal
Feb 7, 2024
Advice of delivery
Feb 7, 2024
Advice of delivery
Feb 7, 2024
Annex to the communication - opposition
Feb 7, 2024
Druckexemplar in opposition procedure
Feb 7, 2024
Grounds for the decision (Annex) - opposition
Feb 7, 2024
Interlocutory decision in opposition proceedings
Feb 7, 2024
Interlocutory decision in opposition proceedings
Feb 7, 2024
Means of redress
Feb 7, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 7, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 7, 2024
Provision of a copy of the minutes - opposition procedure
Feb 7, 2024
Provision of a copy of the minutes - opposition procedure
Feb 7, 2024
Transmittal of decision / summons - opposition
Feb 7, 2024
Transmittal of decision / summons - opposition
Feb 6, 2024
Decision of the Opposition Division and instruction
Dec 19, 2023
Information about the result of oral proceedings
Dec 6, 2023
Brief communication - Opposition proceedings
Nov 29, 2023
(Electronic) Receipt
Nov 29, 2023
Letter accompanying subsequently filed items
Nov 29, 2023
Oral proceedings: reply to date proposed
Nov 8, 2023
Brief communication - Opposition proceedings
Nov 2, 2023
(Electronic) Receipt
Nov 2, 2023
Letter accompanying subsequently filed items
Nov 2, 2023
Written submission in preparation to/during oral proceedings
Oct 23, 2023
Brief communication - Opposition proceedings
Oct 23, 2023
Brief communication - Opposition proceedings
Oct 19, 2023
(Electronic) Receipt
Oct 19, 2023
Letter accompanying subsequently filed items
Oct 19, 2023
Written submission in preparation to/during oral proceedings
Oct 18, 2023
(Electronic) Receipt
Oct 18, 2023
(Electronic) Receipt
Oct 18, 2023
Auxiliary request during Opposition procedure
Oct 18, 2023
Auxiliary request during Opposition procedure
Oct 18, 2023
Auxiliary request during Opposition procedure - 01
Oct 18, 2023
Auxiliary request during Opposition procedure - 03
Oct 18, 2023
Letter accompanying subsequently filed items
Oct 18, 2023
Oral proceedings: reply to date proposed
Oct 18, 2023
Request for interpreters during oral proceedings
Oct 18, 2023
Written submission in preparation to/during oral proceedings
Sep 25, 2023
Communication of the registration of a transfer or change of name and/or address
Sep 19, 2023
Submission concerning change of applicant's address
Apr 6, 2023
Advice of delivery
Apr 5, 2023
Advice of delivery
Apr 5, 2023
Annex to the communication - opposition
Apr 5, 2023
Information concerning oral proceedings
Apr 5, 2023
Scanned annex to a communication - opposition procedure
Apr 5, 2023
Summons to attend oral proceedings
Apr 5, 2023
Summons to attend oral proceedings
Apr 5, 2023
Transmittal of decision / summons - opposition
Apr 5, 2023
Transmittal of decision / summons - opposition
Feb 10, 2023
Decision of the Board of Appeal
Feb 10, 2023
Decision of the Board of Appeal
Feb 10, 2023
F3032 Notification(s) of the decision
Feb 10, 2023
F3032 Notification(s) of the decision
Dec 20, 2022
Request concerning representative opponent
Dec 13, 2022
F3013 Oral Proceedings: Forwarding minutes
Dec 13, 2022
F3013 Oral Proceedings: Forwarding minutes
Dec 13, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Dec 13, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Nov 7, 2022
F3345 Forwarding of submissions to parties
Nov 2, 2022
(Electronic) Receipt
Nov 2, 2022
Letter accompanying subsequently filed items
Nov 2, 2022
Request for interpreters during oral proceedings
Oct 24, 2022
Oral proceedings: change of venue
Oct 24, 2022
Oral proceedings: change of venue
Apr 19, 2022
F3345 Forwarding of submissions to parties
Apr 12, 2022
(Electronic) Receipt
Apr 12, 2022
Annexes (other than cited documents) regarding appeal procedure
Apr 12, 2022
Letter accompanying subsequently filed items
Apr 12, 2022
Letter dealing with oral proceedings during the appeal procedure
Nov 2, 2021
Advice of delivery
Oct 28, 2021
F3011.1 Oral Proceedings: summons
Oct 28, 2021
F3011.1 Oral Proceedings: summons
Oct 28, 2021
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Oct 25, 2021
F3010 Oral proceedings: order for summons
Oct 15, 2021
F3303.14 Composition of the Board (T), in case Chairman is a legal member
Aug 19, 2020
F3345 Forwarding of submissions to parties
Aug 14, 2020
(Electronic) Receipt
Aug 14, 2020
Amended claims with annotations
Aug 14, 2020
Amended claims with annotations
Aug 14, 2020
Amended claims with annotations
Aug 14, 2020
Amended claims with annotations
Aug 14, 2020
Amended claims with annotations
Aug 14, 2020
Claims
Aug 14, 2020
Claims
Aug 14, 2020
Claims
Aug 14, 2020
Claims
Aug 14, 2020
Claims
Aug 14, 2020
Letter accompanying subsequently filed items
Aug 14, 2020
Reply to appeal
May 4, 2020
F3345 Forwarding of submissions to parties
Apr 28, 2020
(Electronic) Receipt
Apr 28, 2020
Letter accompanying subsequently filed items
Apr 28, 2020
Letter relating to Appeal Procedure
Apr 28, 2020
Reply to a deficiency communication regarding an appeal
Apr 8, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 8, 2020
Non-scannable object
Apr 8, 2020
Statement of grounds of appeal
Apr 6, 2020
F3345 Forwarding of submissions to parties
Apr 3, 2020
(Electronic) Receipt
Apr 3, 2020
Letter accompanying subsequently filed items
Apr 3, 2020
Non-Patent Literature cited during the appeal procedure
Apr 3, 2020
Notice of appeal
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Patent Document cited during the appeal procedure
Apr 3, 2020
Statement of grounds of appeal
Apr 1, 2020
Reply to a deficiency communication regarding an appeal
Mar 31, 2020
Advice of delivery
Mar 27, 2020
F3045 Inadmissibility of the appeal: missing address / missing name
Mar 27, 2020
F3204 Communication of the file number to the parties
Mar 27, 2020
F3204 Communication of the file number to the parties
Mar 27, 2020
F3345 Forwarding of submissions to parties
Mar 20, 2020
Notice of appeal
Jan 24, 2020
Advice of delivery
Jan 22, 2020
Advice of delivery
Jan 20, 2020
Acknowledgement of a document
Jan 20, 2020
Acknowledgement of a document
Jan 20, 2020
Decision of the Opposition Division and instruction
Jan 20, 2020
Decision rejecting the opposition
Oct 29, 2019
Information about the result of oral proceedings
Sep 4, 2019
Brief communication - Opposition proceedings
Aug 29, 2019
(Electronic) Receipt
Aug 29, 2019
Amended claims with annotations
Aug 29, 2019
Amended claims with annotations
Aug 29, 2019
Amended claims with annotations
Aug 29, 2019
Amended claims with annotations
Aug 29, 2019
Amended claims with annotations
Aug 29, 2019
Claims
Aug 29, 2019
Claims
Aug 29, 2019
Claims
Aug 29, 2019
Claims
Aug 29, 2019
Claims
Aug 29, 2019
Letter accompanying subsequently filed items
Aug 29, 2019
Letter regarding the opposition procedure (no time limit)
Aug 14, 2019
Letter regarding the opposition procedure (no time limit)
Aug 12, 2019
Brief communication - Opposition proceedings
Aug 7, 2019
Letter regarding the opposition procedure (no time limit)
Aug 2, 2019
Brief communication - Opposition proceedings
Jul 29, 2019
(Electronic) Receipt
Jul 29, 2019
Request for interpreters during oral proceedings
Apr 8, 2019
Advice of delivery
Mar 29, 2019
Submission concerning representation
Feb 18, 2019
Advice of delivery
Feb 15, 2019
Advice of delivery
Feb 14, 2019
Advice of delivery
Feb 11, 2019
Acknowledgement of a document
Feb 11, 2019
Acknowledgement of a document
Feb 11, 2019
Annex to the communication - opposition
Feb 11, 2019
Information concerning oral proceedings
Feb 11, 2019
Summons to attend oral proceedings
Feb 11, 2019
Summons to attend oral proceedings
Dec 13, 2018
(Electronic) Receipt
Dec 13, 2018
General enquiry
Dec 13, 2018
Letter accompanying subsequently filed items
Jan 11, 2018
Letter regarding the opposition procedure (no time limit)
Jan 2, 2018
Brief communication - Opposition proceedings
Dec 19, 2017
Letter regarding the opposition procedure (no time limit)
Oct 12, 2017
Brief communication - Opposition proceedings
Oct 5, 2017
(Electronic) Receipt
Oct 5, 2017
Letter accompanying subsequently filed items
Oct 5, 2017
Reply of the patent proprietor to the notice(s) of opposition
Jun 13, 2017
Brief communication - Opposition proceedings
Jun 7, 2017
(Electronic) Receipt
Jun 7, 2017
Letter accompanying subsequently filed items
Jun 7, 2017
Letter regarding the opposition procedure (no time limit)
May 26, 2017
Communication of a notice of opposition and request to file observations
May 26, 2017
Notice of further oppositions to opponent(s)
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Citation in opposition procedure
May 8, 2017
Notice of opposition
May 2, 2017
Communication of a notice of opposition - first information to patent proprietor
Apr 18, 2017
(Electronic) Receipt
Apr 18, 2017
Citation in opposition procedure - 001
Apr 18, 2017
Citation in opposition procedure - 002
Apr 18, 2017
Citation in opposition procedure - 003
Apr 18, 2017
Citation in opposition procedure - 004
Apr 18, 2017
Citation in opposition procedure - 005
Apr 18, 2017
Citation in opposition procedure - 006
Apr 18, 2017
Citation in opposition procedure - 007
Apr 18, 2017
Citation in opposition procedure - 008
Apr 18, 2017
Citation in opposition procedure - 009
Apr 18, 2017
Citation in opposition procedure - 010
Apr 18, 2017
Citation in opposition procedure - 011
Apr 18, 2017
Citation in opposition procedure - 012
Apr 18, 2017
Citation in opposition procedure - 013
Apr 18, 2017
Citation in opposition procedure - 014
Apr 18, 2017
Citation in opposition procedure - 015
Apr 18, 2017
Citation in opposition procedure - 016
Apr 18, 2017
Citation in opposition procedure - 017
Apr 18, 2017
Citation in opposition procedure - 018
Apr 18, 2017
Citation in opposition procedure - 019
Apr 18, 2017
Citation in opposition procedure - 020
Apr 18, 2017
Consolidated list of cited opposition documents
Apr 18, 2017
Notice of opposition
Apr 18, 2017
Notice of opposition
Jul 21, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 23, 2016
Decision to grant a European patent
Jun 14, 2016
(Electronic) Receipt
Jun 14, 2016
English translation of the claims
Jun 14, 2016
Filing of the translations of the claims
Jun 14, 2016
French translation of claims
Jun 14, 2016
Letter accompanying subsequently filed items
May 12, 2016
(Electronic) Receipt
May 12, 2016
Letter accompanying subsequently filed items
Mar 17, 2016
Bibliographic data of the European patent application
Mar 17, 2016
Communication about intention to grant a European patent
Mar 17, 2016
Intention to grant (signatures)
Mar 17, 2016
Text intended for grant
Jan 7, 2016
(Electronic) Receipt
Jan 7, 2016
Amended claims with annotations
Jan 7, 2016
Claims
Jan 7, 2016
Letter accompanying subsequently filed items
Jan 7, 2016
Reply to communication from the Examining Division
Nov 18, 2015
(Electronic) Receipt
Nov 18, 2015
Letter accompanying subsequently filed items
Nov 16, 2015
Grant of extension of time limit (examination procedure)
Nov 11, 2015
(Electronic) Receipt
Nov 11, 2015
Letter accompanying subsequently filed items
Nov 11, 2015
Request for extension of time limit to communication from the Examining Division
Jul 9, 2015
Annex to the communication
Jul 9, 2015
Communication from the Examining Division
Jul 2, 2015
Examination started
Jan 14, 2015
Refund of fees
Dec 29, 2014
(Electronic) Receipt
Dec 29, 2014
Amended claims filed after receipt of (European) search report
Dec 29, 2014
Amended claims with annotations
Dec 29, 2014
Amendments received before examination
Dec 29, 2014
Letter accompanying subsequently filed items
Oct 30, 2014
(Electronic) Receipt
Oct 30, 2014
Letter accompanying subsequently filed items
Sep 10, 2014
Notification on forthcoming publication of bibliographic data
Aug 25, 2014
Communication to designated inventor
Aug 18, 2014
(Electronic) Receipt
Aug 18, 2014
Letter accompanying subsequently filed items
Aug 18, 2014
Letter concerning the inventor
Aug 5, 2014
Invitation to indicate correct address of inventor
Jul 28, 2014
Letter which had not been notified
Jul 4, 2014
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jul 2, 2014
Communication to designated inventor
Jul 2, 2014
Communication to designated inventor
Jul 2, 2014
Communication to designated inventor
Jul 2, 2014
Communication to designated inventor
Jun 25, 2014
Copy of the international preliminary report on patentability
May 8, 2014
(Electronic) Receipt
May 8, 2014
Priority search results
May 8, 2014
Request for entry into the European phase
Apr 11, 2014
Information on entry into European phase
Jun 26, 2013
Priority document (electronically transmitted)
Jun 6, 2013
Copy of the international search report
Jun 6, 2013
Published international application - A1
Feb 27, 2013
Written opinion of the ISA, boxes No. I to VIII
Feb 27, 2013
Written opinion of the ISA, cover sheet
Feb 27, 2013
Written opinion of the ISA, supplemental box
Jan 16, 2013
Submission concerning representation
Nov 23, 2012
(Electronic) Receipt
Nov 23, 2012
Abstract
Nov 23, 2012
Claims
Nov 23, 2012
Description
Nov 23, 2012
Drawings

EP2785472

MASCHINENFABRIK KPPERN

Application Number: EP12790561A
Filing Date: Nov 23, 2012
Status: Patent Maintained As Amended; Jul 5, 2024
Publication Date: Aug 7, 2024
External Links: Slate, Register , Google Patents

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Device For Sifting Granular Material

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Dossier Documents

EP2785472