The weekly litigation news digest is live. Subscribe now

Multi-Stage Cement Calcining Plant Suspension Preheater

Patent No. EP3359899 (titled "Multi-Stage Cement Calcining Plant Suspension Preheater") was filed by Flsmidth on Oct 6, 2016. The application was issued on Aug 5, 2020.

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 1, 2021	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

Get instant alerts for new documents

Mar 6, 2023
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Mar 6, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Mar 1, 2023
Termination of the opposition proceedings with maintenance of patent
Jan 30, 2023
Brief communication - Opposition proceedings
Jan 30, 2023
Communication of amended entries
Dec 20, 2022
Request concerning representative opponent
Nov 29, 2022
Advice of delivery
Nov 25, 2022
Advice of delivery
Nov 18, 2022
Annex to the communication - opposition
Nov 18, 2022
Decision of the Opposition Division and instruction
Nov 18, 2022
Decision rejecting the opposition
Nov 18, 2022
Decision rejecting the opposition
Nov 18, 2022
Grounds for the decision (Annex) - opposition
Nov 18, 2022
Means of redress
Nov 18, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 18, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 18, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 18, 2022
Provision of a copy of the minutes - opposition procedure
Nov 18, 2022
Provision of a copy of the minutes - opposition procedure
Nov 18, 2022
Transmittal of decision / summons - opposition
Nov 18, 2022
Transmittal of decision / summons - opposition
Oct 20, 2022
Information about the result of oral proceedings
Aug 16, 2022
Brief communication - Opposition proceedings
Aug 8, 2022
Request for interpreters during oral proceedings
Jul 5, 2022
Brief communication - Opposition proceedings
Jun 27, 2022
(Electronic) Receipt
Jun 27, 2022
Letter accompanying subsequently filed items
Jun 27, 2022
Written submission in preparation to/during oral proceedings
Jun 23, 2022
Brief communication - Opposition proceedings
Jun 20, 2022
Notification concerning the date of oral proceedings
Jun 20, 2022
Notification concerning the date of oral proceedings
Jun 15, 2022
Written submission in preparation to/during oral proceedings
Feb 28, 2022
Brief communication - Opposition proceedings
Feb 23, 2022
Advice of delivery
Feb 21, 2022
(Electronic) Receipt
Feb 21, 2022
Letter accompanying subsequently filed items
Feb 21, 2022
Written submission in preparation to/during oral proceedings
Feb 17, 2022
Annex to the communication - opposition
Feb 17, 2022
Information concerning oral proceedings
Feb 17, 2022
Summons to attend oral proceedings
Feb 17, 2022
Summons to attend oral proceedings
Feb 17, 2022
Transmittal of decision / summons - opposition
Feb 17, 2022
Transmittal of decision / summons - opposition
May 25, 2021
Communication of a notice of opposition and request to file observations
May 25, 2021
Notice of further oppositions to opponent(s)
Apr 8, 2021
Communication of a notice of opposition - first information to patent proprietor
Apr 1, 2021
(Electronic) Receipt
Apr 1, 2021
Citation in opposition procedure - 001
Apr 1, 2021
Citation in opposition procedure - 002
Apr 1, 2021
Citation in opposition procedure - 003
Apr 1, 2021
Citation in opposition procedure - 004
Apr 1, 2021
Citation in opposition procedure - 005
Apr 1, 2021
Citation in opposition procedure - 006
Apr 1, 2021
Citation in opposition procedure - 007
Apr 1, 2021
Citation in opposition procedure - 008
Apr 1, 2021
Citation in opposition procedure - 009
Apr 1, 2021
Citation in opposition procedure - 010
Apr 1, 2021
Consolidated list of cited opposition documents
Apr 1, 2021
Notice of opposition
Apr 1, 2021
Notice of opposition
Aug 17, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 9, 2020
Decision to grant a European patent
Jun 22, 2020
(Electronic) Receipt
Jun 22, 2020
Filing of the translations of the claims
Jun 22, 2020
French translation of claims
Jun 22, 2020
German translation of the claims
Jun 22, 2020
Letter accompanying subsequently filed items
Apr 1, 2020
Bibliographic data of the European patent application
Apr 1, 2020
Communication about intention to grant a European patent
Apr 1, 2020
Intention to grant (signatures)
Apr 1, 2020
Text intended for grant (clean copy)
Apr 1, 2020
Text intended for grant (version for approval)
Jan 7, 2020
(Electronic) Receipt
Jan 7, 2020
Letter accompanying subsequently filed items
Jan 7, 2020
Reply to communication from the Examining Division
Oct 1, 2019
Annex to the communication
Oct 1, 2019
Communication from the Examining Division
Jul 1, 2019
(Electronic) Receipt
Jul 1, 2019
Letter accompanying subsequently filed items
Jul 1, 2019
Reply to communication from the Examining Division
Apr 15, 2019
Annex to the communication
Apr 15, 2019
Communication from the Examining Division
Apr 9, 2019
Examination started
Nov 20, 2018
(Electronic) Receipt
Nov 20, 2018
Amended claims with annotations
Nov 20, 2018
Amended description filed after receipt of (European) search report
Nov 20, 2018
Amended description with annotations
Nov 20, 2018
Amendments received before examination
Nov 20, 2018
Claims
Nov 20, 2018
Letter accompanying subsequently filed items
Jul 18, 2018
Notification on forthcoming publication of bibliographic data
Jun 25, 2018
Invitation to indicate correct address of inventor
Jun 13, 2018
Letter which had not been notified
Jun 8, 2018
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
May 28, 2018
Notice on debiting of fees
May 24, 2018
Communication to designated inventor
May 24, 2018
Communication to designated inventor
May 24, 2018
Communication to designated inventor
May 7, 2018
(Electronic) Receipt
May 7, 2018
Request for entry into the European phase
Apr 23, 2018
Copy of the international preliminary report on patentability
Feb 16, 2018
Information on entry into European phase
May 2, 2017
Priority document (electronically transmitted)
May 2, 2017
Priority document (electronically transmitted)
Apr 13, 2017
Copy of the international search report
Apr 13, 2017
Published international application - A1
Dec 2, 2016
Written opinion of the ISA, boxes No. I to VIII
Dec 2, 2016
Written opinion of the ISA, cover sheet
Dec 2, 2016
Written opinion of the ISA, supplemental box
Oct 14, 2016
Notification of the international application number and of the international filing date
Oct 6, 2016
(Electronic) Receipt
Oct 6, 2016
Abstract
Oct 6, 2016
Claims
Oct 6, 2016
Description
Oct 6, 2016
Document concerning fees and payments
Oct 6, 2016
Drawings
Oct 6, 2016
Electronic request for grant of an International application
Oct 6, 2016
Incoming letter related to PCT RO

EP3359899

FLSMIDTH

Application Number: EP16777698A
Filing Date: Oct 6, 2016
Status: Opposition Rejected; Mar 3, 2023
Publication Date: Aug 5, 2020
External Links: Slate, Register, Google Patents

IP Verse

Multi-Stage Cement Calcining Plant Suspension Preheater

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP3359899