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Use Of Ozone To Control Bioburden In Precipitated Calcium Carbonate Slurry (Pcc)

Patent No. EP3220742 (titled "Use Of Ozone To Control Bioburden In Precipitated Calcium Carbonate Slurry (Pcc)") was filed by Colgate Palmolive on Dec 1, 2014. The application was issued on Feb 20, 2019.

Patent Summary

Patent Family

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
KRANZLE	Nov 20, 2019	PFENNING

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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Dec 22, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Dec 22, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Dec 17, 2021
Termination of the opposition proceedings with revocation of patent
Sep 10, 2021
Advice of delivery
Sep 9, 2021
Advice of delivery
Sep 7, 2021
Decision revoking the European patent
Sep 7, 2021
Decision revoking the European patent
Sep 7, 2021
Notification concerning the date of oral proceedings
Sep 7, 2021
Notification concerning the date of oral proceedings
Sep 7, 2021
Transmittal of decision / summons - opposition
Sep 7, 2021
Transmittal of decision / summons - opposition
Sep 3, 2021
Brief communication - Opposition proceedings
Sep 3, 2021
Brief communication - Opposition proceedings
Sep 2, 2021
(Electronic) Receipt
Sep 2, 2021
Request for interpreters during oral proceedings
Sep 2, 2021
Request for revocation of patent
Aug 31, 2021
(Electronic) Receipt
Aug 31, 2021
Letter accompanying subsequently filed items
Aug 31, 2021
Request for interpreters during oral proceedings
Aug 30, 2021
Request for interpreters during oral proceedings
Jul 16, 2021
Brief communication - Opposition proceedings
Jul 12, 2021
(Electronic) Receipt
Jul 12, 2021
Citation in opposition procedure - 024
Jul 12, 2021
Citation in opposition procedure - 025
Jul 12, 2021
Citation in opposition procedure - 026
Jul 12, 2021
Citation in opposition procedure - 027
Jul 12, 2021
Consolidated list of cited opposition documents
Jul 12, 2021
Written submission in preparation to/during oral proceedings
Jun 22, 2021
(Electronic) Receipt
Apr 12, 2021
Brief communication - Opposition proceedings
Apr 6, 2021
(Electronic) Receipt
Apr 6, 2021
Citation in opposition procedure - 023
Apr 6, 2021
Letter accompanying subsequently filed items
Apr 6, 2021
Written submission in preparation to/during oral proceedings
Feb 25, 2021
Notification concerning the date of oral proceedings
Feb 25, 2021
Notification concerning the date of oral proceedings
Jan 19, 2021
Brief communication - Opposition proceedings
Jan 19, 2021
Brief communication - Opposition proceedings
Jan 13, 2021
(Electronic) Receipt
Jan 13, 2021
Auxiliary request during Opposition procedure
Jan 13, 2021
Auxiliary request during Opposition procedure
Jan 13, 2021
Auxiliary request during Opposition procedure
Jan 13, 2021
Auxiliary request during Opposition procedure
Jan 13, 2021
Auxiliary request during Opposition procedure
Jan 13, 2021
Auxiliary request during Opposition procedure
Jan 13, 2021
Auxiliary request during Opposition procedure
Jan 13, 2021
Auxiliary request during Opposition procedure
Jan 13, 2021
Auxiliary request during Opposition procedure
Jan 13, 2021
Auxiliary request during Opposition procedure - 01
Jan 13, 2021
Auxiliary request during Opposition procedure - 02
Jan 13, 2021
Auxiliary request during Opposition procedure - 03
Jan 13, 2021
Auxiliary request during Opposition procedure - 04
Jan 13, 2021
Auxiliary request during Opposition procedure - 05
Jan 13, 2021
Auxiliary request during Opposition procedure - 06
Jan 13, 2021
Auxiliary request during Opposition procedure - 07
Jan 13, 2021
Auxiliary request during Opposition procedure - 08
Jan 13, 2021
Auxiliary request during Opposition procedure - 09
Jan 13, 2021
Letter accompanying subsequently filed items
Jan 13, 2021
Written submission in preparation to/during oral proceedings
Jan 8, 2021
(Electronic) Receipt
Jan 8, 2021
Citation in opposition procedure - 019
Jan 8, 2021
Citation in opposition procedure - 020
Jan 8, 2021
Citation in opposition procedure - 021
Jan 8, 2021
Citation in opposition procedure - 022
Jan 8, 2021
Letter accompanying subsequently filed items
Jan 8, 2021
Written submission in preparation to/during oral proceedings
Nov 3, 2020
Advice of delivery
Nov 2, 2020
Advice of delivery
Oct 28, 2020
Acknowledgement of a document
Oct 28, 2020
Acknowledgement of a document
Oct 28, 2020
Annex to the communication - opposition
Oct 28, 2020
Information concerning oral proceedings
Oct 28, 2020
Summons to attend oral proceedings
Oct 28, 2020
Summons to attend oral proceedings
Oct 14, 2020
Brief communication - Opposition proceedings
Oct 9, 2020
(Electronic) Receipt
Oct 9, 2020
Auxiliary request during Opposition procedure
Oct 9, 2020
Auxiliary request during Opposition procedure
Oct 9, 2020
Auxiliary request during Opposition procedure
Oct 9, 2020
Auxiliary request during Opposition procedure
Oct 9, 2020
Auxiliary request during Opposition procedure - 02
Oct 9, 2020
Auxiliary request during Opposition procedure - 03
Oct 9, 2020
Auxiliary request during Opposition procedure - 04
Oct 9, 2020
Auxiliary request during Opposition procedure - 05
Oct 9, 2020
Citation in opposition procedure - 016
Oct 9, 2020
Citation in opposition procedure - 017
Oct 9, 2020
Citation in opposition procedure - 018
Oct 9, 2020
Letter accompanying subsequently filed items
Oct 9, 2020
Written submission in preparation to/during oral proceedings
Oct 6, 2020
Oral proceedings: reply to date proposed
Oct 5, 2020
Oral proceedings: reply to date proposed
Sep 30, 2020
Notification concerning the date of oral proceedings
Sep 30, 2020
Notification concerning the date of oral proceedings
Sep 28, 2020
Brief communication - Opposition proceedings
Sep 21, 2020
Brief communication - Opposition proceedings
Sep 17, 2020
Oral proceedings: reply to date proposed
Sep 8, 2020
Citation in opposition procedure - 015
Sep 8, 2020
Notification concerning the date of oral proceedings
Sep 8, 2020
Notification concerning the date of oral proceedings
Sep 8, 2020
Written submission in preparation to/during oral proceedings
Sep 4, 2020
Citation in opposition procedure - 015
Sep 4, 2020
Written submission in preparation to/during oral proceedings
Jun 17, 2020
Advice of delivery
May 28, 2020
Advice of delivery
May 27, 2020
Advice of delivery
May 25, 2020
Acknowledgement of a document
May 25, 2020
Acknowledgement of a document
May 25, 2020
Annex to the communication - opposition
May 25, 2020
Information concerning oral proceedings
May 25, 2020
Information concerning oral proceedings
May 25, 2020
Summons to attend oral proceedings
May 25, 2020
Summons to attend oral proceedings
May 12, 2020
Brief communication - Opposition proceedings
May 5, 2020
(Electronic) Receipt
May 5, 2020
Letter accompanying subsequently filed items
May 5, 2020
Written submission in preparation to/during oral proceedings
Apr 9, 2020
Brief communication - Opposition proceedings
Apr 3, 2020
(Electronic) Receipt
Apr 3, 2020
Auxiliary request during Opposition procedure
Apr 3, 2020
Auxiliary request during Opposition procedure
Apr 3, 2020
Auxiliary request during Opposition procedure
Apr 3, 2020
Auxiliary request during Opposition procedure
Apr 3, 2020
Auxiliary request during Opposition procedure
Apr 3, 2020
Auxiliary request during Opposition procedure - 01
Apr 3, 2020
Auxiliary request during Opposition procedure - 02
Apr 3, 2020
Auxiliary request during Opposition procedure - 03
Apr 3, 2020
Auxiliary request during Opposition procedure - 04
Apr 3, 2020
Auxiliary request during Opposition procedure - 05
Apr 3, 2020
Citation in opposition procedure - 012
Apr 3, 2020
Citation in opposition procedure - 013
Apr 3, 2020
Citation in opposition procedure - 014
Apr 3, 2020
Letter accompanying subsequently filed items
Apr 3, 2020
Reply of the patent proprietor to the notice(s) of opposition
Dec 5, 2019
Communication of a notice of opposition and request to file observations
Dec 5, 2019
Notice of further oppositions to opponent(s)
Nov 26, 2019
Communication of a notice of opposition - first information to patent proprietor
Nov 20, 2019
(Electronic) Receipt
Nov 20, 2019
Citation in opposition procedure - 001
Nov 20, 2019
Citation in opposition procedure - 002
Nov 20, 2019
Citation in opposition procedure - 003
Nov 20, 2019
Citation in opposition procedure - 004
Nov 20, 2019
Citation in opposition procedure - 005
Nov 20, 2019
Citation in opposition procedure - 006
Nov 20, 2019
Citation in opposition procedure - 007
Nov 20, 2019
Citation in opposition procedure - 008
Nov 20, 2019
Citation in opposition procedure - 009
Nov 20, 2019
Citation in opposition procedure - 010
Nov 20, 2019
Citation in opposition procedure - 011
Nov 20, 2019
Notice of opposition
Nov 20, 2019
Notice of opposition
Mar 4, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 24, 2019
Decision to grant a European patent
Nov 16, 2018
Bibliographic data of the European patent application
Nov 16, 2018
Information about intention to grant a patent
Nov 16, 2018
Intention to grant (signatures)
Nov 16, 2018
Text intended for grant (clean copy)
Nov 16, 2018
Text intended for grant (version for approval)
Oct 29, 2018
(Electronic) Receipt
Oct 29, 2018
Amended claims with annotations
Oct 29, 2018
Claims
Oct 29, 2018
French translation of claims
Oct 29, 2018
German translation of the claims
Oct 29, 2018
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jun 29, 2018
Bibliographic data of the European patent application
Jun 29, 2018
Communication about intention to grant a European patent
Jun 29, 2018
Intention to grant (signatures)
Jun 29, 2018
Text intended for grant (clean copy)
Jun 29, 2018
Text intended for grant (version for approval)
Jun 12, 2018
Examination started
Dec 20, 2017
(Electronic) Receipt
Dec 20, 2017
Amended claims filed after receipt of (European) search report
Dec 20, 2017
Amended claims with annotations
Dec 20, 2017
Amendments received before examination
Dec 20, 2017
Letter accompanying subsequently filed items
Aug 30, 2017
Notification on forthcoming publication of bibliographic data
Jul 5, 2017
Communication to designated inventor
Jul 5, 2017
Communication to designated inventor
Jul 5, 2017
Communication to designated inventor
Jun 30, 2017
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jun 19, 2017
Copy of the international preliminary report on patentability
May 3, 2017
(Electronic) Receipt
May 3, 2017
Request for entry into the European phase
Apr 18, 2017
Information on entry into European phase
Jun 9, 2016
Copy of the international search report
Jun 9, 2016
Published international application - A1
Jun 9, 2016
Published international application - A1
Jan 28, 2015
Written opinion of the ISA, boxes No. I to VIII
Jan 28, 2015
Written opinion of the ISA, cover sheet
Jan 28, 2015
Written opinion of the ISA, supplemental box
Dec 15, 2014
Abstract
Dec 15, 2014
Annex
Dec 15, 2014
Claims
Dec 15, 2014
Description
Dec 15, 2014
Drawings

EP3220742

COLGATE PALMOLIVE

Application Number: EP14815539A
Filing Date: Dec 1, 2014
Status: Revoked; Dec 24, 2021
Publication Date: Feb 20, 2019
External Links: Slate, Register , Google Patents