Coatings

Patent No. EP3307835 (titled "Coatings") was filed by PI on Jun 8, 2016. The application was issued on Apr 2, 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
JIANGSU FAVORED NANOTECHNOLOGY	Nov 18, 2019	MAIWALD

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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Mar 6, 2025
Decision to maintain the European patent in amended form
Mar 6, 2025
Decision to maintain the European patent in amended form
Feb 21, 2025
(Electronic) Receipt
Feb 21, 2025
Filing of the translation of the amended claims
Feb 21, 2025
French translation of claims
Feb 21, 2025
German translation of the claims
Feb 21, 2025
Letter accompanying subsequently filed items
Jan 10, 2025
Communication of bibliographic data
Jan 10, 2025
Communication to opponent concerning maintenance
Jan 10, 2025
Communication with request to file translations
Dec 20, 2024
Communication of bibliographic data
Dec 18, 2024
Maintenance of the patent with the documents specified in the final decision
Dec 3, 2024
Decision of the Board of Appeal
Dec 3, 2024
F3032 Notification(s) of the decision
Dec 3, 2024
F3032 Notification(s) of the decision
Oct 2, 2024
F3013 Oral Proceedings: Forwarding minutes
Oct 2, 2024
F3013 Oral Proceedings: Forwarding minutes
Oct 2, 2024
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Aug 28, 2024
F3345 Forwarding of submissions to parties
Aug 22, 2024
Non-public letter accompanying subsequently filed items
Aug 12, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 12, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 8, 2024
F3345 Forwarding of submissions to parties
Feb 7, 2024
(Electronic) Receipt
Feb 7, 2024
Letter accompanying subsequently filed items
Feb 7, 2024
Letter dealing with oral proceedings during the appeal procedure
Dec 5, 2023
F3011.2 Oral Proceedings: Summons VICO
Dec 5, 2023
F3011.2 Oral Proceedings: Summons VICO
Dec 1, 2023
F3010 Oral proceedings: order for summons
Aug 24, 2023
F3345 Forwarding of submissions to parties
Aug 21, 2023
(Electronic) Receipt
Aug 21, 2023
Letter accompanying subsequently filed items
Aug 21, 2023
Letter relating to Appeal Procedure
Mar 29, 2023
F3345 Forwarding of submissions to parties
Mar 24, 2023
(Electronic) Receipt
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Amended claims with annotations
Mar 24, 2023
Auxiliary request during appeals procedure - 01
Mar 24, 2023
Auxiliary request during appeals procedure - 02
Mar 24, 2023
Auxiliary request during appeals procedure - 03
Mar 24, 2023
Auxiliary request during appeals procedure - 04
Mar 24, 2023
Auxiliary request during appeals procedure - 05
Mar 24, 2023
Auxiliary request during appeals procedure - 06
Mar 24, 2023
Auxiliary request during appeals procedure - 07
Mar 24, 2023
Auxiliary request during appeals procedure - 08
Mar 24, 2023
Auxiliary request during appeals procedure - 09
Mar 24, 2023
Auxiliary request during appeals procedure - 10
Mar 24, 2023
Auxiliary request during appeals procedure - 11
Mar 24, 2023
Auxiliary request during appeals procedure - 12
Mar 24, 2023
Auxiliary request during appeals procedure - 13
Mar 24, 2023
Auxiliary request during appeals procedure - 14
Mar 24, 2023
Auxiliary request during appeals procedure - 15
Mar 24, 2023
Auxiliary request during appeals procedure - 16
Mar 24, 2023
Auxiliary request during appeals procedure - 17
Mar 24, 2023
Auxiliary request during appeals procedure - 18
Mar 24, 2023
Auxiliary request during appeals procedure - 19
Mar 24, 2023
Auxiliary request during appeals procedure - 20
Mar 24, 2023
Auxiliary request during appeals procedure - 21
Mar 24, 2023
Auxiliary request during appeals procedure - 22
Mar 24, 2023
Auxiliary request during appeals procedure - 23
Mar 24, 2023
Auxiliary request during appeals procedure - 24
Mar 24, 2023
Auxiliary request during appeals procedure - 25
Mar 24, 2023
Auxiliary request during appeals procedure - 26
Mar 24, 2023
Auxiliary request during appeals procedure - 27
Mar 24, 2023
Auxiliary request during appeals procedure - 28
Mar 24, 2023
Auxiliary request during appeals procedure - 29
Mar 24, 2023
Auxiliary request during appeals procedure - 30
Mar 24, 2023
Auxiliary request during appeals procedure - 31
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Auxiliary request during appeals procedure - 32
Mar 24, 2023
Auxiliary request during appeals procedure - 33
Mar 24, 2023
Auxiliary request during appeals procedure - 34
Mar 24, 2023
Auxiliary request during appeals procedure - 35
Mar 24, 2023
Auxiliary request during appeals procedure - 36
Mar 24, 2023
Auxiliary request during appeals procedure - 37
Mar 24, 2023
Auxiliary request during appeals procedure - 38
Mar 24, 2023
Auxiliary request during appeals procedure - 39
Mar 24, 2023
Auxiliary request during appeals procedure - 40
Mar 24, 2023
Auxiliary request during appeals procedure - 41
Mar 24, 2023
Auxiliary request during appeals procedure - 42
Mar 24, 2023
Auxiliary request during appeals procedure - 43
Mar 24, 2023
Letter accompanying subsequently filed items
Mar 24, 2023
Main request during appeals procedure
Mar 24, 2023
Reply to appeal
Dec 6, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 6, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 25, 2022
F3345 Forwarding of submissions to parties
Nov 22, 2022
(Electronic) Receipt
Nov 22, 2022
Letter accompanying subsequently filed items
Nov 22, 2022
Request for extension of time limit
Sep 14, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 10, 2022
Composition of the board (T)
Sep 10, 2022
Consolidated list of documents cited in appeal procedure
Sep 9, 2022
(Electronic) Receipt
Sep 9, 2022
Citation in appeal procedure - 017
Sep 9, 2022
Citation in appeal procedure - 018
Sep 9, 2022
Letter accompanying subsequently filed items
Sep 9, 2022
Statement of grounds of appeal
Jul 15, 2022
F3204 Communication of the file number to the parties
Jul 15, 2022
F3204 Communication of the file number to the parties
Jul 8, 2022
(Electronic) Receipt
Jul 8, 2022
Letter accompanying subsequently filed items
Jul 8, 2022
Notice of appeal
May 4, 2022
(Electronic) Receipt
May 4, 2022
Advice of delivery
May 4, 2022
Advice of delivery
May 4, 2022
Letter accompanying subsequently filed items
May 2, 2022
Annex to the communication - opposition
May 2, 2022
Decision of the Opposition Division and instruction
May 2, 2022
Druckexemplar in opposition procedure
May 2, 2022
Grounds for the decision (Annex) - opposition
May 2, 2022
Interlocutory decision in opposition proceedings
May 2, 2022
Interlocutory decision in opposition proceedings
May 2, 2022
Means of redress
May 2, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 2, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 2, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 2, 2022
Provision of a copy of the minutes - opposition procedure
May 2, 2022
Provision of a copy of the minutes - opposition procedure
May 2, 2022
Scanned annex to a communication - opposition procedure
May 2, 2022
Scanned annex to a communication - opposition procedure
May 2, 2022
Transmittal of decision / summons - opposition
May 2, 2022
Transmittal of decision / summons - opposition
Mar 9, 2022
Information about the result of oral proceedings
Mar 8, 2022
Brief communication - Opposition proceedings
Mar 3, 2022
(Electronic) Receipt
Mar 3, 2022
Letter accompanying subsequently filed items
Mar 3, 2022
Written submission in preparation to/during oral proceedings
Jan 13, 2022
Brief communication - Opposition proceedings
Jan 7, 2022
(Electronic) Receipt
Jan 7, 2022
Any annexes (other than citation) to an opposition letter
Jan 7, 2022
Auxiliary request during Opposition procedure
Jan 7, 2022
Auxiliary request during Opposition procedure
Jan 7, 2022
Auxiliary request during Opposition procedure
Jan 7, 2022
Auxiliary request during Opposition procedure
Jan 7, 2022
Auxiliary request during Opposition procedure
Jan 7, 2022
Auxiliary request during Opposition procedure
Jan 7, 2022
Auxiliary request during Opposition procedure
Jan 7, 2022
Auxiliary request during Opposition procedure
Jan 7, 2022
Auxiliary request during Opposition procedure
Jan 7, 2022
Auxiliary request during Opposition procedure
Jan 7, 2022
Auxiliary request during Opposition procedure
Jan 7, 2022
Auxiliary request during Opposition procedure
Jan 7, 2022
Auxiliary request during Opposition procedure - 01
Jan 7, 2022
Auxiliary request during Opposition procedure - 02
Jan 7, 2022
Auxiliary request during Opposition procedure - 03
Jan 7, 2022
Auxiliary request during Opposition procedure - 04
Jan 7, 2022
Auxiliary request during Opposition procedure - 05
Jan 7, 2022
Auxiliary request during Opposition procedure - 06
Jan 7, 2022
Auxiliary request during Opposition procedure - 07
Jan 7, 2022
Auxiliary request during Opposition procedure - 08
Jan 7, 2022
Auxiliary request during Opposition procedure - 09
Jan 7, 2022
Auxiliary request during Opposition procedure - 10
Jan 7, 2022
Auxiliary request during Opposition procedure - 11
Jan 7, 2022
Auxiliary request during Opposition procedure - 12
Jan 7, 2022
Brief communication - Opposition proceedings
Jan 7, 2022
Citation in opposition procedure - 017
Jan 7, 2022
Consolidated list of cited opposition documents
Jan 7, 2022
Request for interpreters during oral proceedings
Jan 7, 2022
Written submission in preparation to/during oral proceedings
Dec 29, 2021
(Electronic) Receipt
Dec 29, 2021
Letter accompanying subsequently filed items
Dec 29, 2021
Written submission in preparation to/during oral proceedings
Dec 23, 2021
Brief communication - Opposition proceedings
Dec 20, 2021
(Electronic) Receipt
Dec 20, 2021
Letter accompanying subsequently filed items
Dec 20, 2021
Request for interpreters during oral proceedings
Dec 6, 2021
Notification concerning the date of oral proceedings
Dec 6, 2021
Notification concerning the date of oral proceedings
Aug 3, 2021
Advice of delivery
Jul 30, 2021
Advice of delivery
Jul 30, 2021
Annex to the communication - opposition
Jul 30, 2021
Information concerning oral proceedings
Jul 30, 2021
Summons to attend oral proceedings
Jul 30, 2021
Summons to attend oral proceedings
Jul 30, 2021
Transmittal of decision / summons - opposition
Jul 30, 2021
Transmittal of decision / summons - opposition
Jul 27, 2021
Information about the result of oral proceedings
May 4, 2021
Brief communication - Opposition proceedings
Apr 23, 2021
(Electronic) Receipt
Apr 23, 2021
Citation in opposition procedure - 005
Apr 23, 2021
Citation in opposition procedure - 015
Apr 23, 2021
Citation in opposition procedure - 016
Apr 23, 2021
Letter accompanying subsequently filed items
Apr 23, 2021
Reply from the opponent to submission of proprietor
Nov 19, 2020
Brief communication - Opposition proceedings
Nov 12, 2020
(Electronic) Receipt
Nov 12, 2020
Letter accompanying subsequently filed items
Nov 12, 2020
Reply of the patent proprietor to the notice(s) of opposition
Sep 7, 2020
Brief communication - Opposition proceedings
Sep 7, 2020
Grant of extension of time limit (opposition procedure)
Aug 28, 2020
(Electronic) Receipt
Aug 28, 2020
Letter accompanying subsequently filed items
Aug 28, 2020
Request for extension of time limit
Aug 7, 2020
Brief communication - Opposition proceedings
Aug 7, 2020
Communication of the registration of a transfer or change of name and/or address
Aug 3, 2020
(Electronic) Receipt
Aug 3, 2020
Letter accompanying subsequently filed items
Aug 3, 2020
Submission concerning change of proprietor's address
Jul 1, 2020
Brief communication - Opposition proceedings
Jul 1, 2020
Grant of extension of time limit (opposition procedure)
Jun 25, 2020
(Electronic) Receipt
Jun 25, 2020
Letter accompanying subsequently filed items
Jun 25, 2020
Request for extension of time limit
Mar 6, 2020
Notice of further oppositions to opponent(s)
Mar 2, 2020
Communication of a notice of opposition and request to file observations
Nov 25, 2019
Communication of a notice of opposition - first information to patent proprietor
Nov 18, 2019
(Electronic) Receipt
Nov 18, 2019
Citation in opposition procedure - 001
Nov 18, 2019
Citation in opposition procedure - 002
Nov 18, 2019
Citation in opposition procedure - 003
Nov 18, 2019
Citation in opposition procedure - 004
Nov 18, 2019
Citation in opposition procedure - 005
Nov 18, 2019
Citation in opposition procedure - 005
Nov 18, 2019
Citation in opposition procedure - 006
Nov 18, 2019
Citation in opposition procedure - 007
Nov 18, 2019
Citation in opposition procedure - 008
Nov 18, 2019
Citation in opposition procedure - 009
Nov 18, 2019
Citation in opposition procedure - 010
Nov 18, 2019
Citation in opposition procedure - 011
Nov 18, 2019
Citation in opposition procedure - 012
Nov 18, 2019
Citation in opposition procedure - 013
Nov 18, 2019
Citation in opposition procedure - 014
Nov 18, 2019
Notice of opposition
Nov 18, 2019
Notice of opposition
May 20, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 11, 2019
Communication concerning corrected entries of the applicant
Apr 11, 2019
Decision to grant a European patent
Apr 8, 2019
(Electronic) Receipt
Apr 8, 2019
Letter accompanying subsequently filed items
Apr 8, 2019
Submission concerning change of applicant's address
Mar 20, 2019
(Electronic) Receipt
Mar 20, 2019
Filing of the translations of the claims
Mar 20, 2019
French translation of claims
Mar 20, 2019
German translation of the claims
Mar 20, 2019
Letter accompanying subsequently filed items
Nov 29, 2018
Bibliographic data of the European patent application
Nov 29, 2018
Communication about intention to grant a European patent
Nov 29, 2018
Intention to grant (signatures)
Nov 29, 2018
Text intended for grant (clean copy)
Nov 29, 2018
Text intended for grant (version for approval)
Nov 13, 2018
Examination started
Aug 24, 2018
(Electronic) Receipt
Aug 24, 2018
Amended claims filed after receipt of (European) search report
Aug 24, 2018
Amended claims with annotations
Aug 24, 2018
Amendments received before examination
Aug 24, 2018
Letter accompanying subsequently filed items
Jul 5, 2018
Copy of the international search report
Jul 5, 2018
Published international application - A9
Jun 22, 2018
Communication in cases for which no other form is applicable
Jun 5, 2018
Communication of amended entries concerning the representative
May 31, 2018
Submission concerning change of applicant's representative
Mar 21, 2018
Notification on forthcoming publication of bibliographic data
Feb 22, 2018
Copy of the international preliminary report on patentability
Feb 21, 2018
Copy of the international preliminary report on patentability
Feb 16, 2018
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Feb 14, 2018
Communication to designated inventor
Feb 14, 2018
Communication to designated inventor
Feb 14, 2018
Communication to designated inventor
Feb 14, 2018
Communication to designated inventor
Feb 9, 2018
Communication of the registration of a transfer or change of name and/or address
Jan 8, 2018
(Electronic) Receipt
Jan 8, 2018
Copy of the international preliminary report on patentability
Jan 8, 2018
Request for entry into the European phase
Jan 8, 2018
Submission concerning representation
Oct 20, 2017
Information on entry into European phase
Jan 3, 2017
Priority document (electronically transmitted)
Dec 15, 2016
Copy of the international search report
Dec 15, 2016
Published international application - A1
Nov 7, 2016
Written opinion of the ISA, boxes No. I to VIII
Nov 7, 2016
Written opinion of the ISA, cover sheet
Nov 7, 2016
Written opinion of the ISA, supplemental box
Aug 1, 2016
Notification of receipt of Search copy
Jul 29, 2016
Incoming letter related to ISA procedure
Jul 29, 2016
Incoming letter related to ISA procedure
Jul 29, 2016
Incoming letter related to ISA procedure
Jul 29, 2016
Notification Concerning Documents Transmitted (copy for ISA/EP)
Jul 29, 2016
Substitute sheet (Rule 26) - description for ISA/EP
Jul 29, 2016
Substitute sheet (Rule 26) - drawings for ISA/EP
Jul 15, 2016
Abstract
Jul 15, 2016
Claims
Jul 15, 2016
Description
Jul 15, 2016
Drawings
Jul 15, 2016
Fee calculation sheet for an international application
Jul 15, 2016
Incoming letter related to ISA procedure
Jul 15, 2016
Incoming letter related to ISA procedure
Jul 15, 2016
Incoming letter related to ISA procedure
Jul 15, 2016
Invitation to Correct Defects in the International Application (copy for ISA/EP)
Jul 15, 2016
Notification Concerning Documents Transmitted (copy for ISA/EP)
Jul 15, 2016
Notification Concerning Payment of Prescribed Fees (copy for ISA/EP)
Jul 15, 2016
Notification of the International Application Number and of the International Filing Date (copy for ISA/EP)
Jul 15, 2016
Request form for international application (copy for ISA/EP)

EP3307835

Application Number: EP16739237A
Filing Date: Jun 8, 2016
Status: Patent Maintained As Amended; Feb 28, 2025
Publication Date: Apr 2, 2025
External Links: Slate, Register , Google Patents

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Dossier Documents

EP3307835