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Method For Treatment Of Industrial Water Circuits Using Biocides - EP3087035

The patent EP3087035 was granted to Kurita Water Industries on Nov 15, 2017. The application was originally filed on Dec 15, 2014 under application number EP14820748A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP3087035

KURITA WATER INDUSTRIES

Application Number: EP14820748A
Filing Date: Dec 15, 2014
Status: Opposition Rejected; Jan 20, 2023
Publication Date: Nov 15, 2017
External Links: Slate, Register, Google Patents

Patent Summary

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Patent Oppositions

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
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API ADDITIVES FOR PAPER INDUSTRY	Aug 13, 2018	GRAPE & SCHWARZENSTEINER	ADMISSIBLE

Patent Citations (14) New

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

Citation Phase	Publication Number
DESCRIPTION	DE102011101719
DESCRIPTION	EP0517102
DESCRIPTION	EP1293482
DESCRIPTION	EP1391430
DESCRIPTION	WO2007096885
INTERNATIONAL-SEARCH-REPORT	EP0517102
INTERNATIONAL-SEARCH-REPORT	JPH06142661
INTERNATIONAL-SEARCH-REPORT	WO2013145440
OPPOSITION	DE102011101719
OPPOSITION	DE60316516T
OPPOSITION	EP0517102
OPPOSITION	JPH06142661
OPPOSITION	WO2013145440
OPPOSITION	WO2013184605

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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Nov 4, 2025
Letter relating to the revocation of the automatic debiting procedure
Search/Exam
Jan 23, 2023
Refund of fees
Search/Exam
Jan 19, 2023
Termination of the opposition proceedings with maintenance of patent
OPPO
Jan 18, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Appeal
Jan 18, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Appeal
Jan 16, 2023
Withdrawal of an appeal
Appeal
Jan 13, 2023
Withdrawal of an appeal
Appeal
Nov 24, 2022
F3345 Forwarding of submissions to parties
Appeal
Nov 24, 2022
Reply to a deficiency communication regarding an appeal
Appeal
Nov 21, 2022
Advice of delivery
Appeal
Nov 21, 2022
Composition of the board (T)
Appeal
Nov 21, 2022
Reply to a deficiency communication regarding an appeal
Appeal
Nov 17, 2022
F3045 Inadmissibility of the appeal: missing address / missing name
Appeal
Nov 17, 2022
F3204 Communication of the file number to the parties
Appeal
Nov 17, 2022
F3204 Communication of the file number to the parties
Appeal
Nov 17, 2022
F3345 Forwarding of submissions to parties
Appeal
Nov 16, 2022
Letter relating to Appeal Procedure
Appeal
Nov 11, 2022
Notice of appeal
Appeal
Sep 16, 2022
(Electronic) Receipt
OPPO
Sep 16, 2022
Advice of delivery
OPPO
Sep 16, 2022
Letter accompanying subsequently filed items
OPPO
Sep 15, 2022
Advice of delivery
OPPO
Sep 14, 2022
Annex to the communication - opposition
OPPO
Sep 14, 2022
Decision of the Opposition Division and instruction
OPPO
Sep 14, 2022
Decision rejecting the opposition
OPPO
Sep 14, 2022
Decision rejecting the opposition
OPPO
Sep 14, 2022
Grounds for the decision (Annex) - opposition
OPPO
Sep 14, 2022
Means of redress
OPPO
Sep 14, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
Sep 14, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
Sep 14, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
OPPO
Sep 14, 2022
Provision of a copy of the minutes - opposition procedure
OPPO
Sep 14, 2022
Provision of a copy of the minutes - opposition procedure
OPPO
Sep 14, 2022
Scanned annex to a communication - opposition procedure
OPPO
Sep 14, 2022
Transmittal of decision / summons - opposition
OPPO
Sep 14, 2022
Transmittal of decision / summons - opposition
OPPO
Aug 17, 2022
Brief communication - Opposition proceedings
OPPO
Aug 10, 2022
(Electronic) Receipt
OPPO
Aug 10, 2022
General enquiry
OPPO
Aug 10, 2022
Letter accompanying subsequently filed items
OPPO
Mar 9, 2022
Information about the result of oral proceedings
OPPO
Feb 11, 2022
Brief communication - Opposition proceedings
OPPO
Feb 8, 2022
(Electronic) Receipt
OPPO
Feb 8, 2022
Letter accompanying subsequently filed items
OPPO
Feb 8, 2022
Written submission in preparation to/during oral proceedings
OPPO
Jan 31, 2022
(Electronic) Receipt
OPPO
Jan 13, 2022
Brief communication - Opposition proceedings
OPPO
Jan 10, 2022
Brief communication - Opposition proceedings
OPPO
Jan 10, 2022
Request for interpreters during oral proceedings
OPPO
Jan 7, 2022
(Electronic) Receipt
OPPO
Jan 7, 2022
Citation in opposition procedure - 011
OPPO
Jan 7, 2022
Citation in opposition procedure - 018
OPPO
Jan 7, 2022
Citation in opposition procedure - 019
OPPO
Jan 7, 2022
Citation in opposition procedure - 019
OPPO
Jan 7, 2022
Citation in opposition procedure - 020
OPPO
Jan 7, 2022
Citation in opposition procedure - 020
OPPO
Jan 7, 2022
Citation in opposition procedure - 020
OPPO
Jan 7, 2022
Consolidated list of cited opposition documents
OPPO
Jan 7, 2022
Letter accompanying subsequently filed items
OPPO
Jan 7, 2022
Written submission in preparation to/during oral proceedings
OPPO
Dec 30, 2021
(Electronic) Receipt
OPPO
Dec 30, 2021
Letter accompanying subsequently filed items
OPPO
Dec 30, 2021
Written submission in preparation to/during oral proceedings
OPPO
Dec 20, 2021
Brief communication - Opposition proceedings
OPPO
Dec 14, 2021
Authorisation
OPPO
Dec 14, 2021
Authorisation
OPPO
Dec 14, 2021
Written submission in preparation to/during oral proceedings
OPPO
Dec 14, 2021
Written submission in preparation to/during oral proceedings
OPPO
Dec 13, 2021
Notification concerning the date of oral proceedings
OPPO
Dec 13, 2021
Notification concerning the date of oral proceedings
OPPO
Aug 27, 2021
Advice of delivery
OPPO
Aug 20, 2021
Advice of delivery
OPPO
Aug 18, 2021
Advice of delivery
OPPO
Aug 18, 2021
Advice of delivery
OPPO
Aug 16, 2021
Advice of delivery
OPPO
Aug 16, 2021
Advice of delivery
OPPO
Aug 13, 2021
Annex to the communication - opposition
OPPO
Aug 13, 2021
Summons to attend oral proceedings
OPPO
Aug 13, 2021
Summons to attend oral proceedings
OPPO
Aug 13, 2021
Transmittal of decision / summons - opposition
OPPO
Aug 13, 2021
Transmittal of decision / summons - opposition
OPPO
Aug 13, 2021
Transmittal of decision / summons - opposition
OPPO
Aug 13, 2021
Transmittal of decision / summons - opposition
OPPO
Aug 13, 2021
Transmittal of decision / summons - opposition
OPPO
May 20, 2021
Notification concerning the date of oral proceedings
OPPO
May 20, 2021
Notification concerning the date of oral proceedings
OPPO
May 14, 2021
Brief communication - Opposition proceedings
OPPO
May 8, 2021
Oral proceedings: Request for postponement
OPPO
May 3, 2021
Brief communication - Opposition proceedings
OPPO
Apr 28, 2021
Oral proceedings: Request for postponement
OPPO
Apr 27, 2021
Oral proceedings: Request for postponement
OPPO
Apr 13, 2021
(Electronic) Receipt
OPPO
Apr 13, 2021
Brief communication - Opposition proceedings
OPPO
Apr 13, 2021
Letter accompanying subsequently filed items
OPPO
Apr 7, 2021
(Electronic) Receipt
OPPO
Apr 7, 2021
Letter accompanying subsequently filed items
OPPO
Apr 7, 2021
Written submission in preparation to/during oral proceedings
OPPO
Apr 6, 2021
Brief communication - Opposition proceedings
OPPO
Apr 6, 2021
Brief communication - Opposition proceedings
OPPO
Mar 26, 2021
(Electronic) Receipt
OPPO
Mar 26, 2021
Citation in opposition procedure - 011
OPPO
Mar 26, 2021
Citation in opposition procedure - 011
OPPO
Mar 26, 2021
Letter accompanying subsequently filed items
OPPO
Mar 26, 2021
Written submission in preparation to/during oral proceedings
OPPO
Mar 26, 2021
Written submission in preparation to/during oral proceedings
OPPO
Mar 25, 2021
(Electronic) Receipt
OPPO
Mar 25, 2021
Letter accompanying subsequently filed items
OPPO
Mar 25, 2021
Request for interpreters during oral proceedings
OPPO
Mar 10, 2021
Advice of delivery
OPPO
Mar 10, 2021
Advice of delivery
OPPO
Mar 10, 2021
Advice of delivery
OPPO
Mar 8, 2021
(Electronic) Receipt
OPPO
Mar 8, 2021
Advice of delivery
OPPO
Mar 8, 2021
Advice of delivery
OPPO
Mar 8, 2021
Letter accompanying subsequently filed items
OPPO
Mar 8, 2021
Notification concerning the date of oral proceedings
OPPO
Mar 8, 2021
Notification concerning the date of oral proceedings
OPPO
Mar 4, 2021
Acknowledgement of a document
OPPO
Mar 4, 2021
Annex to a communication
OPPO
Mar 4, 2021
Notification concerning the date of oral proceedings
OPPO
Mar 4, 2021
Notification concerning the date of oral proceedings
OPPO
Mar 4, 2021
Settlement of expenses for witnesses and experts
OPPO
Mar 4, 2021
Settlement of expenses for witnesses and experts
OPPO
Mar 4, 2021
Settlement of expenses for witnesses and experts
OPPO
Mar 1, 2021
(Electronic) Receipt
OPPO
Mar 1, 2021
Advice of delivery
OPPO
Mar 1, 2021
Letter accompanying subsequently filed items
OPPO
Nov 20, 2020
Advice of delivery
OPPO
Nov 18, 2020
Advice of delivery
OPPO
Nov 18, 2020
Advice of delivery
OPPO
Nov 18, 2020
Advice of delivery
OPPO
Nov 13, 2020
Advice of delivery
OPPO
Nov 12, 2020
Acknowledgement of a document
OPPO
Nov 12, 2020
Acknowledgement of a document
OPPO
Nov 12, 2020
Acknowledgement of a document
OPPO
Nov 12, 2020
Acknowledgement of a document
OPPO
Nov 12, 2020
Acknowledgement of a document
OPPO
Nov 12, 2020
Annex to the communication - opposition
OPPO
Nov 12, 2020
Decision on the taking of evidence
OPPO
Nov 12, 2020
Decision on the taking of evidence
OPPO
Nov 12, 2020
Information concerning oral proceedings
OPPO
Nov 12, 2020
Summons to attend oral proceedings
OPPO
Nov 12, 2020
Summons to attend oral proceedings
OPPO
Nov 12, 2020
Summons to give evidence
OPPO
Nov 12, 2020
Summons to give evidence
OPPO
Nov 12, 2020
Summons to give evidence
OPPO
Aug 25, 2020
Brief communication - Opposition proceedings
OPPO
Aug 19, 2020
(Electronic) Receipt
OPPO
Aug 19, 2020
Letter accompanying subsequently filed items
OPPO
Aug 19, 2020
Written submission in preparation to/during oral proceedings
OPPO
Aug 17, 2020
Advice of delivery
OPPO
Aug 14, 2020
Notification concerning the date of oral proceedings
OPPO
Aug 14, 2020
Notification concerning the date of oral proceedings
OPPO
Jul 31, 2020
(Electronic) Receipt
OPPO
Jul 31, 2020
Brief communication - Opposition proceedings
OPPO
Jul 31, 2020
Letter accompanying subsequently filed items
OPPO
Jul 29, 2020
Brief communication - Opposition proceedings
OPPO
Jul 23, 2020
Brief communication - Opposition proceedings
OPPO
Jul 15, 2020
Brief communication - Opposition proceedings
OPPO
Jul 14, 2020
Citation in opposition procedure - 010
OPPO
Jul 14, 2020
Citation in opposition procedure - 010
OPPO
Jul 14, 2020
Citation in opposition procedure - 012
OPPO
Jul 14, 2020
Letter regarding the opposition procedure (no time limit)
OPPO
Jul 14, 2020
Non-scannable object
OPPO
Jul 14, 2020
Oral proceedings: reply to date proposed
OPPO
Jul 13, 2020
Notification concerning the date of oral proceedings
OPPO
Jul 13, 2020
Notification concerning the date of oral proceedings
OPPO
Jul 10, 2020
(Electronic) Receipt
OPPO
Jul 10, 2020
Brief communication - Opposition proceedings
OPPO
Jul 10, 2020
Letter accompanying subsequently filed items
OPPO
Jul 10, 2020
Oral proceedings: reply to date proposed
OPPO
Jul 6, 2020
(Electronic) Receipt
OPPO
Jul 6, 2020
Letter accompanying subsequently filed items
OPPO
Jul 6, 2020
Request for interpreters during oral proceedings
OPPO
Jul 3, 2020
Brief communication - Opposition proceedings
OPPO
Jun 30, 2020
(Electronic) Receipt
OPPO
Jun 30, 2020
Letter accompanying subsequently filed items
OPPO
Jun 30, 2020
Written submission in preparation to/during oral proceedings
OPPO
Jan 20, 2020
Advice of delivery
OPPO
Jan 20, 2020
Brief communication - Opposition proceedings
OPPO
Jan 16, 2020
Advice of delivery
OPPO
Jan 15, 2020
Letter regarding the opposition procedure (no time limit)
OPPO
Jan 8, 2020
Brief communication - Opposition proceedings
OPPO
Dec 31, 2019
Letter regarding the opposition procedure (no time limit)
OPPO
Dec 30, 2019
Advice of delivery
OPPO
Dec 20, 2019
Advice of delivery
OPPO
Dec 16, 2019
Advice of delivery
OPPO
Dec 16, 2019
Letter regarding the opposition procedure (no time limit)
OPPO
Dec 12, 2019
Acknowledgement of a document
OPPO
Dec 12, 2019
Acknowledgement of a document
OPPO
Dec 12, 2019
Acknowledgement of a document
OPPO
Dec 12, 2019
Acknowledgement of a document
OPPO
Dec 12, 2019
Information concerning oral proceedings
OPPO
Dec 12, 2019
Summons to attend oral proceedings
OPPO
Dec 12, 2019
Summons to attend oral proceedings
OPPO
Dec 10, 2019
Brief communication - Opposition proceedings
OPPO
Dec 10, 2019
Brief communication - Opposition proceedings
OPPO
Dec 10, 2019
Notification concerning the date of oral proceedings
OPPO
Dec 10, 2019
Notification concerning the date of oral proceedings
OPPO
Nov 26, 2019
Brief communication - Opposition proceedings
OPPO
Nov 21, 2019
Oral proceedings: Request for postponement
OPPO
Nov 20, 2019
Advice of delivery
OPPO
Nov 19, 2019
(Electronic) Receipt
OPPO
Nov 19, 2019
Letter accompanying subsequently filed items
OPPO
Nov 19, 2019
Written submission in preparation to/during oral proceedings
OPPO
Nov 14, 2019
Advice of delivery
OPPO
Nov 13, 2019
Advice of delivery
OPPO
Nov 13, 2019
Advice of delivery
OPPO
Nov 8, 2019
Acknowledgement of a document
OPPO
Nov 8, 2019
Acknowledgement of a document
OPPO
Nov 8, 2019
Acknowledgement of a document
OPPO
Nov 8, 2019
Acknowledgement of a document
OPPO
Nov 8, 2019
Annex to the communication - opposition
OPPO
Nov 8, 2019
Decision on the taking of evidence
OPPO
Nov 8, 2019
Information concerning oral proceedings
OPPO
Nov 8, 2019
Settlement of expenses for witnesses and experts
OPPO
Nov 8, 2019
Settlement of expenses for witnesses and experts
OPPO
Nov 8, 2019
Summons to attend oral proceedings
OPPO
Nov 8, 2019
Summons to attend oral proceedings
OPPO
Nov 8, 2019
Summons to give evidence
OPPO
May 22, 2019
Enlargement of the examining/opposition division
OPPO
Jan 11, 2019
Brief communication - Opposition proceedings
OPPO
Jan 7, 2019
(Electronic) Receipt
OPPO
Jan 7, 2019
Citation in opposition procedure - 016
OPPO
Jan 7, 2019
Citation in opposition procedure - 017
OPPO
Jan 7, 2019
Letter accompanying subsequently filed items
OPPO
Jan 7, 2019
Reply of the patent proprietor to the notice(s) of opposition
OPPO
Sep 13, 2018
Brief communication - Opposition proceedings
OPPO
Sep 6, 2018
Citation in opposition procedure - 007
OPPO
Sep 6, 2018
Citation in opposition procedure - 009
OPPO
Sep 6, 2018
Letter regarding the opposition procedure (no time limit)
OPPO
Aug 30, 2018
Communication of a notice of opposition and request to file observations
OPPO
Aug 30, 2018
Notice of further oppositions to opponent(s)
OPPO
Aug 20, 2018
Communication of a notice of opposition - first information to patent proprietor
OPPO
Aug 13, 2018
Citation in opposition procedure - 001
OPPO
Aug 13, 2018
Citation in opposition procedure - 002
OPPO
Aug 13, 2018
Citation in opposition procedure - 002
OPPO
Aug 13, 2018
Citation in opposition procedure - 003
OPPO
Aug 13, 2018
Citation in opposition procedure - 003
OPPO
Aug 13, 2018
Citation in opposition procedure - 004
OPPO
Aug 13, 2018
Citation in opposition procedure - 004
OPPO
Aug 13, 2018
Citation in opposition procedure - 005
OPPO
Aug 13, 2018
Citation in opposition procedure - 006
OPPO
Aug 13, 2018
Citation in opposition procedure - 007
OPPO
Aug 13, 2018
Citation in opposition procedure - 008
OPPO
Aug 13, 2018
Citation in opposition procedure - 009
OPPO
Aug 13, 2018
Citation in opposition procedure - 010
OPPO
Aug 13, 2018
Citation in opposition procedure - 011
OPPO
Aug 13, 2018
Citation in opposition procedure - 013
OPPO
Aug 13, 2018
Citation in opposition procedure - 014
OPPO
Aug 13, 2018
Citation in opposition procedure - 015
OPPO
Aug 13, 2018
Notice of opposition
OPPO
Nov 22, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Search/Exam
Oct 19, 2017
Decision to grant a European patent
Search/Exam
Oct 5, 2017
(Electronic) Receipt
Search/Exam
Oct 5, 2017
English translation of the claims
Search/Exam
Oct 5, 2017
Filing of the translations of the claims
Search/Exam
Oct 5, 2017
French translation of claims
Search/Exam
Oct 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 25, 2017
Bibliographic data of the European patent application
Search/Exam
Jul 25, 2017
Communication about intention to grant a European patent
Search/Exam
Jul 25, 2017
Intention to grant (signatures)
Search/Exam
Jul 25, 2017
Text intended for grant (clean copy)
Search/Exam
Jul 25, 2017
Text intended for grant (version for approval)
Search/Exam
May 29, 2017
Examination started
Search/Exam
May 17, 2017
(Electronic) Receipt
Search/Exam
May 17, 2017
Amended claims filed after receipt of (European) search report
Search/Exam
May 17, 2017
Amended claims with annotations
Search/Exam
May 17, 2017
Amended description filed after receipt of (European) search report
Search/Exam
May 17, 2017
Amended description with annotations
Search/Exam
May 17, 2017
Amendments received before examination
Search/Exam
May 17, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 5, 2017
(Electronic) Receipt
Search/Exam
Apr 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 5, 2017
Reply to invitation to file a copy of priority search results
Search/Exam
Mar 30, 2017
Invitation to file a copy of search results(priority)
Search/Exam
Jan 31, 2017
(Electronic) Receipt
Search/Exam
Jan 31, 2017
Amended claims filed after receipt of (European) search report
Search/Exam
Jan 31, 2017
Amended claims with annotations
Search/Exam
Jan 31, 2017
Amendments received before examination
Search/Exam
Jan 31, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 27, 2017
Communication of amended entries concerning the representative
Search/Exam
Jan 23, 2017
Submission concerning change of applicant's representative
Search/Exam
Dec 19, 2016
Submission concerning representation
Search/Exam
Oct 6, 2016
Notification on forthcoming publication of bibliographic data
Search/Exam
Aug 11, 2016
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Search/Exam
Aug 2, 2016
Communication to designated inventor
Search/Exam
Aug 2, 2016
Communication to designated inventor
Search/Exam
Aug 2, 2016
Communication to designated inventor
Search/Exam
Jul 12, 2016
Copy of the international preliminary report on patentability
Search/Exam
Jul 8, 2016
Copy of the international preliminary report on patentability
Search/Exam
Jul 7, 2016
(Electronic) Receipt
Search/Exam
Jul 7, 2016
Request for entry into the European phase
Search/Exam
Jul 7, 2016
Submission concerning representation
Search/Exam
May 9, 2016
Information on entry into European phase
Search/Exam
Jul 23, 2015
Priority document (electronically transmitted)
Search/Exam
Jul 8, 2015
Notification of the recording of a change
PCTRO
Jul 8, 2015
Notification of the recording of a change
Search/Exam
Jul 2, 2015
Copy of the international search report
Search/Exam
Jul 2, 2015
Copy of the international search report
Search/Exam
Jul 2, 2015
Published international application - A1
Search/Exam
Mar 10, 2015
Written opinion of the ISA, boxes No. I to VIII
PCTISA
Mar 10, 2015
Written opinion of the ISA, cover sheet
PCTISA
Mar 10, 2015
Written opinion of the ISA, supplemental box
PCTISA
Dec 15, 2014
Abstract
PCTRO
Dec 15, 2014
Claims
PCTRO
Dec 15, 2014
Description
PCTRO
Dec 15, 2014
Drawings
PCTRO
Dec 15, 2014
Payment of fees and costs
PCTRO
Dec 15, 2014
Submission concerning representation
PCTRO