Method For Zinc Phosphating Metal Components In Series So As To Form Layers

Patent No. EP3612663 (titled "Method For Zinc Phosphating Metal Components In Series So As To Form Layers") was filed by Henkel on Mar 9, 2018. The application was issued on Mar 6, 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
CHEMETALL	Dec 4, 2024	STEFFAN & KIEHNE 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

Get instant alerts for new documents

Apr 17, 2026
Annex to the communication - opposition
Apr 17, 2026
Information concerning oral proceedings
Apr 17, 2026
Scanned annex to a communication - opposition procedure
Apr 17, 2026
Summons to attend oral proceedings
Apr 17, 2026
Summons to attend oral proceedings
Apr 16, 2026
Notification concerning the date of oral proceedings
Apr 16, 2026
Notification concerning the date of oral proceedings
Apr 15, 2026
Brief communication - Opposition proceedings
Apr 10, 2026
(Electronic) Receipt
Apr 10, 2026
Any annexes (other than citation) to an opposition letter
Apr 10, 2026
Letter accompanying subsequently filed items
Apr 10, 2026
Oral proceedings: Request for postponement
Mar 30, 2026
Annex to the communication - opposition
Mar 30, 2026
Information concerning oral proceedings
Mar 30, 2026
Scanned annex to a communication - opposition procedure
Mar 30, 2026
Summons to attend oral proceedings
Mar 30, 2026
Summons to attend oral proceedings
Apr 28, 2025
Brief communication - Opposition proceedings
Apr 22, 2025
(Electronic) Receipt
Apr 22, 2025
Auxiliary request during Opposition procedure
Apr 22, 2025
Auxiliary request during Opposition procedure
Apr 22, 2025
Auxiliary request during Opposition procedure
Apr 22, 2025
Auxiliary request during Opposition procedure
Apr 22, 2025
Auxiliary request during Opposition procedure
Apr 22, 2025
Auxiliary request during Opposition procedure
Apr 22, 2025
Auxiliary request during Opposition procedure
Apr 22, 2025
Auxiliary request during Opposition procedure - 01
Apr 22, 2025
Auxiliary request during Opposition procedure - 02
Apr 22, 2025
Auxiliary request during Opposition procedure - 03
Apr 22, 2025
Auxiliary request during Opposition procedure - 04
Apr 22, 2025
Auxiliary request during Opposition procedure - 05
Apr 22, 2025
Auxiliary request during Opposition procedure - 06
Apr 22, 2025
Auxiliary request during Opposition procedure - 07
Apr 22, 2025
Letter accompanying subsequently filed items
Apr 22, 2025
Reply of the patent proprietor to the notice(s) of opposition
Mar 20, 2025
Brief communication - Opposition proceedings
Mar 20, 2025
Communication of amended entries concerning the representative
Mar 17, 2025
(Electronic) Receipt
Mar 17, 2025
Letter accompanying subsequently filed items
Mar 17, 2025
Submission concerning change of proprietor's representative
Dec 20, 2024
Communication of a notice of opposition and request to file observations
Dec 20, 2024
Notice of further oppositions to opponent(s)
Dec 9, 2024
Communication of a notice of opposition - first information to patent proprietor
Dec 4, 2024
(Electronic) Receipt
Dec 4, 2024
Citation in opposition procedure - 001
Dec 4, 2024
Citation in opposition procedure - 002
Dec 4, 2024
Citation in opposition procedure - 003
Dec 4, 2024
Citation in opposition procedure - 003
Dec 4, 2024
Citation in opposition procedure - 004
Dec 4, 2024
Citation in opposition procedure - 005
Dec 4, 2024
Consolidated list of cited opposition documents
Dec 4, 2024
Notice of opposition
Dec 4, 2024
Notice of opposition
Mar 19, 2024
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 8, 2024
Decision to grant a European patent
Jan 29, 2024
(Electronic) Receipt
Jan 29, 2024
English translation of the claims
Jan 29, 2024
French translation of claims
Jan 29, 2024
Letter accompanying subsequently filed items
Dec 15, 2023
Annex to the communication about intention to grant a European patent
Dec 15, 2023
Bibliographic data of the European patent application
Dec 15, 2023
Communication about intention to grant a European patent
Dec 15, 2023
Intention to grant (signatures)
Dec 15, 2023
Text intended for grant (clean copy)
Dec 15, 2023
Text intended for grant (version for approval)
Aug 26, 2022
(Electronic) Receipt
Aug 26, 2022
Amended claims with annotations
Aug 26, 2022
Claims
Aug 26, 2022
Letter accompanying subsequently filed items
Aug 26, 2022
Reply to communication from the Examining Division
May 11, 2022
Annex to the communication
May 11, 2022
Communication from the Examining Division
May 5, 2022
Examination started
Mar 19, 2021
Letter accompanying subsequently filed items
Mar 19, 2021
Submission concerning change of applicant's representative
May 27, 2020
(Electronic) Receipt
May 27, 2020
Amended claims filed after receipt of (European) search report
May 27, 2020
Amended claims with annotations
May 27, 2020
Amendments received before examination
May 27, 2020
Letter accompanying subsequently filed items
Jan 29, 2020
Notification on forthcoming publication of bibliographic data
Jan 17, 2020
Communication to designated inventor
Jan 17, 2020
Communication to designated inventor
Jan 16, 2020
Change to the inventor details
Jan 9, 2020
(Electronic) Receipt
Jan 9, 2020
(Electronic) Receipt
Jan 9, 2020
Letter accompanying subsequently filed items
Jan 9, 2020
Letter accompanying subsequently filed items
Jan 9, 2020
Letter concerning the inventor
Jan 9, 2020
Letter concerning the inventor
Dec 20, 2019
Invitation to indicate correct address of inventor
Dec 16, 2019
Letter which had not been notified
Dec 3, 2019
Deficiencies in designation of inventor
Nov 28, 2019
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Nov 26, 2019
Communication to designated inventor
Nov 26, 2019
Communication to designated inventor
Nov 26, 2019
Communication to designated inventor
Nov 26, 2019
Communication to designated inventor
Nov 26, 2019
Communication to designated inventor
Nov 26, 2019
Communication to designated inventor
Nov 21, 2019
Priority search results copy provided by EPO
Nov 7, 2019
Copy of the international preliminary report on patentability
Oct 16, 2019
Information regarding early processing
Sep 23, 2019
(Electronic) Receipt
Sep 23, 2019
Request for entry into the European phase
Aug 30, 2019
Information on entry into European phase
Nov 15, 2018
Priority document (electronically transmitted)
Oct 25, 2018
Copy of the international search report
Oct 25, 2018
Copy of the international search report
Oct 25, 2018
Published international application - A1
Jun 7, 2018
ISR: cited documents
Jun 7, 2018
International Search Report - copy in English for the IB
Jun 6, 2018
Written opinion of the ISA, boxes No. I to VIII
Jun 6, 2018
Written opinion of the ISA, cover sheet
Jun 6, 2018
Written opinion of the ISA, supplemental box
Apr 26, 2018
Notification of receipt of Search copy
Apr 25, 2018
Notification of the international application number and of the international filing date
Apr 20, 2018
Request form for international application (copy for ISA/EP)
Mar 9, 2018
(Electronic) Receipt
Mar 9, 2018
Abstract
Mar 9, 2018
Claims
Mar 9, 2018
Description
Mar 9, 2018
Document concerning fees and payments
Mar 9, 2018
Electronic request for grant of an International application
Mar 9, 2018
Priority document (RO-procedure)
Mar 9, 2018
Submission concerning representation

EP3612663

HENKEL

Application Number: EP18716514A
Filing Date: Mar 9, 2018
Status: Granted And Under Opposition; Feb 2, 2024
Publication Date: Mar 6, 2024
External Links: Slate, Register , Google Patents

IP Verse

Method For Zinc Phosphating Metal Components In Series So As To Form Layers

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP3612663