Pigment Powders

Patent No. EP3378900 (titled "Pigment Powders") was filed by Merck Patent on Mar 19, 2018. The application was issued on Mar 5, 2025.

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
SUN CHEMICAL COLORS & EFFECTS	Apr 14, 2021	ALTMANN STOSSEL DICK PATENTANWALTE PARTG MBB

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, 2025
Decision to maintain the European patent in amended form
Feb 6, 2025
Decision to maintain the European patent in amended form
Jan 30, 2025
Brief communication - Opposition proceedings
Jan 23, 2025
(Electronic) Receipt
Jan 23, 2025
Filing of the translation of the amended claims
Jan 23, 2025
French translation of claims
Jan 23, 2025
German translation of the claims
Jan 23, 2025
Letter accompanying subsequently filed items
Nov 29, 2024
Refund of fees
Nov 28, 2024
Communication of bibliographic data
Nov 28, 2024
Communication to opponent concerning maintenance
Nov 28, 2024
Communication with request to file translations
Nov 27, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Nov 27, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Nov 25, 2024
Maintenance of the patent with the documents specified in the final decision
Nov 22, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Nov 22, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Nov 21, 2024
F3345 Forwarding of submissions to parties
Nov 19, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Nov 18, 2024
(Electronic) Receipt
Nov 18, 2024
Letter accompanying subsequently filed items
Nov 18, 2024
Withdrawal of an appeal
Oct 29, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 29, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 28, 2024
F3004 Communication of the Registry
Oct 28, 2024
F3004 Communication of the Registry
Oct 25, 2024
F3345 Forwarding of submissions to parties
Oct 22, 2024
(Electronic) Receipt
Oct 22, 2024
Letter accompanying subsequently filed items
Oct 22, 2024
Letter dealing with oral proceedings during the appeal procedure
Oct 10, 2024
F3345 Forwarding of submissions to parties
Oct 7, 2024
(Electronic) Receipt
Oct 7, 2024
Letter accompanying subsequently filed items
Oct 7, 2024
Letter dealing with oral proceedings during the appeal procedure
Sep 25, 2024
F3011.1 Oral Proceedings: summons
Sep 25, 2024
F3011.1 Oral Proceedings: summons
Sep 23, 2024
F3010 Oral proceedings: order for summons
May 2, 2024
Composition of the board (T)
Nov 28, 2023
F3345 Forwarding of submissions to parties
Nov 22, 2023
(Electronic) Receipt
Nov 22, 2023
Amended claims with annotations
Nov 22, 2023
Amended claims with annotations
Nov 22, 2023
Amended claims with annotations
Nov 22, 2023
Amended claims with annotations
Nov 22, 2023
Amended claims with annotations
Nov 22, 2023
Amended claims with annotations
Nov 22, 2023
Amended claims with annotations
Nov 22, 2023
Amended claims with annotations
Nov 22, 2023
Amended claims with annotations
Nov 22, 2023
Amended claims with annotations
Nov 22, 2023
Citation in appeal procedure - 020
Nov 22, 2023
Letter accompanying subsequently filed items
Nov 22, 2023
Reply to appeal
Jul 13, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 10, 2023
(Electronic) Receipt
Jul 10, 2023
Letter accompanying subsequently filed items
Jul 10, 2023
Statement of grounds of appeal
May 16, 2023
F3204 Communication of the file number to the parties
May 16, 2023
F3204 Communication of the file number to the parties
May 11, 2023
(Electronic) Receipt
May 11, 2023
Letter accompanying subsequently filed items
May 11, 2023
Notice of appeal
Mar 3, 2023
Advice of delivery
Mar 2, 2023
Advice of delivery
Mar 2, 2023
Annex to the communication - opposition
Mar 2, 2023
Decision of the Opposition Division and instruction
Mar 2, 2023
Druckexemplar in opposition procedure
Mar 2, 2023
Grounds for the decision (Annex) - opposition
Mar 2, 2023
Interlocutory decision in opposition proceedings
Mar 2, 2023
Interlocutory decision in opposition proceedings
Mar 2, 2023
Means of redress
Mar 2, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 2, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 2, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 2, 2023
Provision of a copy of the minutes - opposition procedure
Mar 2, 2023
Provision of a copy of the minutes - opposition procedure
Mar 2, 2023
Scanned annex to a communication - opposition procedure
Mar 2, 2023
Transmittal of decision / summons - opposition
Feb 7, 2023
Information about the result of oral proceedings
Jan 19, 2023
Brief communication - Opposition proceedings
Jan 16, 2023
(Electronic) Receipt
Jan 16, 2023
Citation in opposition procedure - 021
Jan 16, 2023
Consolidated list of cited opposition documents
Jan 16, 2023
Letter accompanying subsequently filed items
Jan 16, 2023
Written submission in preparation to/during oral proceedings
Dec 19, 2022
(Electronic) Receipt
Dec 13, 2022
Brief communication - Opposition proceedings
Dec 13, 2022
Brief communication - Opposition proceedings
Dec 13, 2022
Brief communication - Opposition proceedings
Dec 13, 2022
Communication of amended entries concerning the representative
Dec 12, 2022
Brief communication - Opposition proceedings
Dec 7, 2022
(Electronic) Receipt
Dec 7, 2022
(Electronic) Receipt
Dec 7, 2022
(Electronic) Receipt
Dec 7, 2022
Auxiliary request during Opposition procedure - 01
Dec 7, 2022
Auxiliary request during Opposition procedure - 02
Dec 7, 2022
Auxiliary request during Opposition procedure - 03
Dec 7, 2022
Auxiliary request during Opposition procedure - 04
Dec 7, 2022
Auxiliary request during Opposition procedure - 05
Dec 7, 2022
Auxiliary request during Opposition procedure - 06
Dec 7, 2022
Auxiliary request during Opposition procedure - 07
Dec 7, 2022
Auxiliary request during Opposition procedure - 08
Dec 7, 2022
Auxiliary request during Opposition procedure - 09
Dec 7, 2022
Auxiliary request during Opposition procedure - 10
Dec 7, 2022
Auxiliary request during Opposition procedure - 11
Dec 7, 2022
Auxiliary request during Opposition procedure - 12
Dec 7, 2022
Auxiliary request during Opposition procedure - 13
Dec 7, 2022
Auxiliary request during Opposition procedure - 14
Dec 7, 2022
Auxiliary request during Opposition procedure - 15
Dec 7, 2022
Citation in opposition procedure - 018
Dec 7, 2022
Citation in opposition procedure - 019
Dec 7, 2022
Citation in opposition procedure - 020
Dec 7, 2022
Letter accompanying subsequently filed items
Dec 7, 2022
Letter accompanying subsequently filed items
Dec 7, 2022
Letter accompanying subsequently filed items (CDR)
Dec 7, 2022
Submission concerning change of proprietor's representative
Dec 7, 2022
Written submission in preparation to/during oral proceedings
Dec 7, 2022
Written submission in preparation to/during oral proceedings
Dec 2, 2022
(Electronic) Receipt
Nov 30, 2022
Notification concerning the date of oral proceedings
Nov 30, 2022
Notification concerning the date of oral proceedings
Dec 22, 2021
Brief communication - Opposition proceedings
Dec 22, 2021
Communication of amended entries
Dec 17, 2021
Advice of delivery
Dec 17, 2021
Advice of delivery
Dec 16, 2021
Annexes in respect of a client data request
Dec 16, 2021
Letter accompanying subsequently filed items
Dec 16, 2021
Request for change of name -opponent
Dec 10, 2021
Advice of delivery
Dec 10, 2021
Annex to the communication - opposition
Dec 10, 2021
Information concerning oral proceedings
Dec 10, 2021
Transmittal of decision / summons - opposition
Dec 10, 2021
Transmittal of decision / summons - opposition
Sep 10, 2021
Brief communication - Opposition proceedings
Sep 3, 2021
(Electronic) Receipt
Sep 3, 2021
Letter accompanying subsequently filed items
Sep 3, 2021
Main request during Opposition procedure
Sep 3, 2021
Main request during Opposition procedure
Sep 3, 2021
Reply of the patent proprietor to the notice(s) of opposition
May 3, 2021
Communication of a notice of opposition and request to file observations
May 3, 2021
Notice of further oppositions to opponent(s)
Apr 20, 2021
Communication of a notice of opposition - first information to patent proprietor
Apr 14, 2021
(Electronic) Receipt
Apr 14, 2021
Citation in opposition procedure
Apr 14, 2021
Citation in opposition procedure - 001
Apr 14, 2021
Citation in opposition procedure - 002
Apr 14, 2021
Citation in opposition procedure - 003
Apr 14, 2021
Citation in opposition procedure - 003
Apr 14, 2021
Citation in opposition procedure - 004
Apr 14, 2021
Citation in opposition procedure - 005
Apr 14, 2021
Citation in opposition procedure - 006
Apr 14, 2021
Citation in opposition procedure - 007
Apr 14, 2021
Citation in opposition procedure - 007
Apr 14, 2021
Citation in opposition procedure - 007
Apr 14, 2021
Citation in opposition procedure - 007
Apr 14, 2021
Citation in opposition procedure - 008
Apr 14, 2021
Citation in opposition procedure - 008
Apr 14, 2021
Citation in opposition procedure - 008
Apr 14, 2021
Citation in opposition procedure - 008
Apr 14, 2021
Citation in opposition procedure - 009
Apr 14, 2021
Citation in opposition procedure - 010
Apr 14, 2021
Citation in opposition procedure - 011
Apr 14, 2021
Citation in opposition procedure - 012
Apr 14, 2021
Citation in opposition procedure - 013
Apr 14, 2021
Citation in opposition procedure - 014
Apr 14, 2021
Citation in opposition procedure - 015
Apr 14, 2021
Citation in opposition procedure - 016
Apr 14, 2021
Citation in opposition procedure - 017
Apr 14, 2021
Notice of opposition
Apr 14, 2021
Notice of opposition
Jul 27, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 18, 2020
Decision to grant a European patent
Jun 9, 2020
(Electronic) Receipt
Jun 9, 2020
Filing of the translations of the claims
Jun 9, 2020
French translation of claims
Jun 9, 2020
German translation of the claims
Jun 9, 2020
Letter accompanying subsequently filed items
Apr 14, 2020
Bibliographic data of the European patent application
Apr 14, 2020
Communication about intention to grant a European patent
Apr 14, 2020
Intention to grant (signatures)
Apr 14, 2020
Text intended for grant (clean copy)
Apr 14, 2020
Text intended for grant (version for approval)
Mar 5, 2020
(Electronic) Receipt
Mar 5, 2020
Amended description with annotations
Mar 5, 2020
Description
Mar 5, 2020
Letter accompanying subsequently filed items
Mar 5, 2020
Reply to communication from the Examining Division
Jan 20, 2020
Annex to the communication
Jan 20, 2020
Communication from the Examining Division
Jan 10, 2020
Examination started
Mar 22, 2019
(Electronic) Receipt
Mar 22, 2019
Amended claims filed after receipt of (European) search report
Mar 22, 2019
Amended claims with annotations
Mar 22, 2019
Amendments received before examination
Mar 22, 2019
Letter accompanying subsequently filed items
Oct 1, 2018
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Aug 29, 2018
Notification of forthcoming publication
May 14, 2018
Communication to designated inventor
May 14, 2018
Communication to designated inventor
May 14, 2018
Communication to designated inventor
May 14, 2018
Communication to designated inventor
May 14, 2018
Communication to designated inventor
May 9, 2018
Communication regarding the transmission of the European search report
May 9, 2018
European search opinion
May 9, 2018
European search report
May 9, 2018
Information on Search Strategy
Apr 25, 2018
Search started
Apr 11, 2018
Letter concerning the priority
Apr 11, 2018
Priority document
Mar 19, 2018
Abstract
Mar 19, 2018
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Mar 19, 2018
Claims
Mar 19, 2018
Description
Mar 19, 2018
Designation of inventor
Mar 19, 2018
Request for grant of a European patent

EP3378900

MERCK PATENT

Application Number: EP18162491A
Filing Date: Mar 19, 2018
Status: Patent Maintained As Amended; Jan 31, 2025
Publication Date: Mar 5, 2025
External Links: Slate, Register , Google Patents

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Dossier Documents

EP3378900