Process For Preparing Polyurea Microcapsules

Patent No. EP3280525 (titled "Process For Preparing Polyurea Microcapsules") was filed by Firmenich on Apr 6, 2016. The application was issued on Jul 10, 2019.

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
GIVAUDAN	Apr 8, 2020	HASELTINE LAKE KEMPNER

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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Jan 22, 2026
Maintenance of the patent with the documents specified in the final decision
Oct 23, 2025
Brief communication - Opposition proceedings
Oct 23, 2025
Brief communication - Opposition proceedings
Oct 23, 2025
Decision of the Opposition Division and instruction
Oct 23, 2025
Druckexemplar in opposition procedure
Oct 23, 2025
Grounds for the decision (Annex) - opposition
Oct 23, 2025
Interlocutory decision in opposition proceedings
Oct 23, 2025
Interlocutory decision in opposition proceedings
Oct 23, 2025
Means of redress
Jul 4, 2025
Brief communication - Opposition proceedings
Jul 4, 2025
Brief communication - Opposition proceedings
Jul 4, 2025
Communication inviting the parties to file observations
Jul 4, 2025
Communication inviting the parties to file observations
Jun 3, 2025
Brief communication - Opposition proceedings
May 28, 2025
(Electronic) Receipt
May 28, 2025
Amended description with annotations
May 28, 2025
Description
May 28, 2025
Letter accompanying subsequently filed items
May 28, 2025
Reply to an examination report in opposition proceedings
Feb 17, 2025
Annex to the communication - opposition
Feb 17, 2025
Brief communication - Opposition proceedings
Feb 17, 2025
Brief communication - Opposition proceedings
Feb 17, 2025
Communication inviting the parties to file observations
Feb 17, 2025
Communication inviting the parties to file observations
Nov 19, 2024
Decision of the Board of Appeal
Nov 19, 2024
F3032 Notification(s) of the decision
Nov 19, 2024
F3032 Notification(s) of the decision
Sep 26, 2024
Miscellaneous requests concerning client data
Sep 10, 2024
F3013 Oral Proceedings: Forwarding minutes
Sep 10, 2024
F3013 Oral Proceedings: Forwarding minutes
Sep 10, 2024
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jul 25, 2024
F3345 Forwarding of submissions to parties
Jul 22, 2024
(Electronic) Receipt
Jul 22, 2024
Letter accompanying subsequently filed items
Jul 22, 2024
Letter dealing with oral proceedings during the appeal procedure
Jul 4, 2024
F3345 Forwarding of submissions to parties
Jul 1, 2024
(Electronic) Receipt
Jul 1, 2024
Letter accompanying subsequently filed items
Jul 1, 2024
Letter dealing with oral proceedings during the appeal procedure
May 31, 2024
F3345 Forwarding of submissions to parties
May 27, 2024
(Electronic) Receipt
May 27, 2024
Amended claims with annotations
May 27, 2024
Auxiliary request during appeals procedure - 08
May 27, 2024
Letter accompanying subsequently filed items
May 27, 2024
Letter dealing with oral proceedings during the appeal procedure
May 15, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 15, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 15, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 15, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 13, 2024
F3345 Forwarding of submissions to parties
Feb 8, 2024
(Electronic) Receipt
Feb 8, 2024
Letter accompanying subsequently filed items
Feb 8, 2024
Letter dealing with oral proceedings during the appeal procedure
Feb 8, 2024
Letter relating to Appeal Procedure
Nov 15, 2023
F3345 Forwarding of submissions to parties
Nov 9, 2023
(Electronic) Receipt
Nov 9, 2023
(Electronic) Receipt
Nov 9, 2023
Letter accompanying subsequently filed items
Nov 9, 2023
Letter accompanying subsequently filed items
Nov 9, 2023
Letter dealing with oral proceedings during the appeal procedure
Nov 9, 2023
Oral proceedings: reply to date proposed
Oct 18, 2023
F3011.2 Oral Proceedings: Summons VICO
Oct 18, 2023
F3011.2 Oral Proceedings: Summons VICO
Oct 13, 2023
F3010 Oral proceedings: order for summons
Aug 4, 2023
F3345 Forwarding of submissions to parties
Aug 1, 2023
(Electronic) Receipt
Aug 1, 2023
Letter accompanying subsequently filed items
Aug 1, 2023
Letter relating to Appeal Procedure
Jul 4, 2023
Letter accompanying subsequently filed items
Jun 14, 2023
F3345 Forwarding of submissions to parties
Jun 9, 2023
(Electronic) Receipt
Jun 9, 2023
Citation in appeal procedure - 016
Jun 9, 2023
Citation in appeal procedure - 017
Jun 9, 2023
Letter accompanying subsequently filed items
Jun 9, 2023
Letter relating to Appeal Procedure
Nov 4, 2022
F3345 Forwarding of submissions to parties
Oct 31, 2022
(Electronic) Receipt
Oct 31, 2022
Amended claims with annotations
Oct 31, 2022
Amended claims with annotations
Oct 31, 2022
Amended claims with annotations
Oct 31, 2022
Amended claims with annotations
Oct 31, 2022
Amended claims with annotations
Oct 31, 2022
Amended claims with annotations
Oct 31, 2022
Amended claims with annotations
Oct 31, 2022
Auxiliary request during appeals procedure - 01
Oct 31, 2022
Auxiliary request during appeals procedure - 02
Oct 31, 2022
Auxiliary request during appeals procedure - 03
Oct 31, 2022
Auxiliary request during appeals procedure - 04
Oct 31, 2022
Auxiliary request during appeals procedure - 05
Oct 31, 2022
Auxiliary request during appeals procedure - 06
Oct 31, 2022
Auxiliary request during appeals procedure - 07
Oct 31, 2022
Citation in appeal procedure - 014
Oct 31, 2022
Citation in appeal procedure - 015
Oct 31, 2022
Letter accompanying subsequently filed items
Oct 31, 2022
Reply to appeal
Oct 13, 2022
Communication of amended entries in the Register of European Patents
Oct 13, 2022
F3345 Forwarding of submissions to parties
Sep 28, 2022
Request concerning representative opponent
Aug 2, 2022
Composition of the board (T)
Jul 5, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jun 30, 2022
(Electronic) Receipt
Jun 30, 2022
Annexes (other than cited documents) regarding appeal procedure
Jun 30, 2022
Annexes (other than cited documents) regarding appeal procedure
Jun 30, 2022
Letter accompanying subsequently filed items
Jun 30, 2022
Statement of grounds of appeal
Apr 26, 2022
F3204 Communication of the file number to the parties
Apr 26, 2022
F3204 Communication of the file number to the parties
Apr 20, 2022
(Electronic) Receipt
Apr 20, 2022
Letter accompanying subsequently filed items
Apr 20, 2022
Notice of appeal
Mar 3, 2022
Advice of delivery
Feb 24, 2022
Advice of delivery
Feb 21, 2022
Annex to the communication - opposition
Feb 21, 2022
Decision of the Opposition Division and instruction
Feb 21, 2022
Decision rejecting the opposition
Feb 21, 2022
Decision rejecting the opposition
Feb 21, 2022
Grounds for the decision (Annex) - opposition
Feb 21, 2022
Means of redress
Feb 21, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 21, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 21, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 21, 2022
Provision of a copy of the minutes - opposition procedure
Feb 21, 2022
Provision of a copy of the minutes - opposition procedure
Feb 21, 2022
Transmittal of decision / summons - opposition
Feb 21, 2022
Transmittal of decision / summons - opposition
Oct 5, 2021
Information about the result of oral proceedings
Sep 22, 2021
Notification concerning the date of oral proceedings
Sep 22, 2021
Notification concerning the date of oral proceedings
Sep 16, 2021
Brief communication - Opposition proceedings
Sep 8, 2021
(Electronic) Receipt
Sep 8, 2021
Letter accompanying subsequently filed items
Sep 8, 2021
Written submission in preparation to/during oral proceedings
Aug 11, 2021
Brief communication - Opposition proceedings
Aug 4, 2021
Brief communication - Opposition proceedings
Aug 3, 2021
(Electronic) Receipt
Aug 3, 2021
Auxiliary request during Opposition procedure
Aug 3, 2021
Auxiliary request during Opposition procedure
Aug 3, 2021
Auxiliary request during Opposition procedure
Aug 3, 2021
Auxiliary request during Opposition procedure
Aug 3, 2021
Auxiliary request during Opposition procedure
Aug 3, 2021
Auxiliary request during Opposition procedure
Aug 3, 2021
Auxiliary request during Opposition procedure
Aug 3, 2021
Auxiliary request during Opposition procedure - 01
Aug 3, 2021
Auxiliary request during Opposition procedure - 02
Aug 3, 2021
Auxiliary request during Opposition procedure - 03
Aug 3, 2021
Auxiliary request during Opposition procedure - 04
Aug 3, 2021
Auxiliary request during Opposition procedure - 05
Aug 3, 2021
Auxiliary request during Opposition procedure - 06
Aug 3, 2021
Auxiliary request during Opposition procedure - 07
Aug 3, 2021
Letter accompanying subsequently filed items
Aug 3, 2021
Written submission in preparation to/during oral proceedings
Jul 28, 2021
(Electronic) Receipt
Jul 28, 2021
Letter accompanying subsequently filed items
Jul 26, 2021
Brief communication - Opposition proceedings
Jul 26, 2021
Communication of amended entries
Jul 26, 2021
Communication of amended entries
Jul 20, 2021
(Electronic) Receipt
Jul 20, 2021
Letter accompanying subsequently filed items
Jul 20, 2021
Request for change of opponent's representative
Jul 20, 2021
Written submission in preparation to/during oral proceedings
Nov 26, 2020
Advice of delivery
Nov 18, 2020
(Electronic) Receipt
Nov 18, 2020
Advice of delivery
Nov 18, 2020
Letter accompanying subsequently filed items
Nov 12, 2020
Acknowledgement of a document
Nov 12, 2020
Acknowledgement of a document
Nov 12, 2020
Annex to the communication - opposition
Nov 12, 2020
Information concerning oral proceedings
Nov 12, 2020
Summons to attend oral proceedings
Nov 12, 2020
Summons to attend oral proceedings
Nov 2, 2020
Brief communication - Opposition proceedings
Oct 28, 2020
(Electronic) Receipt
Oct 28, 2020
Citation in opposition procedure - 006
Oct 28, 2020
Citation in opposition procedure - 006
Oct 28, 2020
Citation in opposition procedure - 006
Oct 28, 2020
Citation in opposition procedure - 006
Oct 28, 2020
Consolidated list of cited opposition documents
Oct 28, 2020
Letter accompanying subsequently filed items
Oct 28, 2020
Letter regarding the opposition procedure (no time limit)
Oct 15, 2020
Brief communication - Opposition proceedings
Oct 12, 2020
(Electronic) Receipt
Oct 12, 2020
Auxiliary request during Opposition procedure
Oct 12, 2020
Auxiliary request during Opposition procedure
Oct 12, 2020
Auxiliary request during Opposition procedure
Oct 12, 2020
Auxiliary request during Opposition procedure
Oct 12, 2020
Auxiliary request during Opposition procedure
Oct 12, 2020
Auxiliary request during Opposition procedure - 01
Oct 12, 2020
Auxiliary request during Opposition procedure - 02
Oct 12, 2020
Auxiliary request during Opposition procedure - 03
Oct 12, 2020
Auxiliary request during Opposition procedure - 04
Oct 12, 2020
Auxiliary request during Opposition procedure - 05
Oct 12, 2020
Letter accompanying subsequently filed items
Oct 12, 2020
Reply of the patent proprietor to the notice(s) of opposition
Aug 26, 2020
Communication of the registration of a transfer or change of name and/or address
Jun 18, 2020
Communication of a notice of opposition and request to file observations
Jun 18, 2020
Notice of further oppositions to opponent(s)
Jun 2, 2020
Communication of the registration of a transfer or change of name and/or address
May 19, 2020
Communication confirming withdrawal from representation
May 19, 2020
Communication of amended entries concerning the representative
May 15, 2020
(Electronic) Receipt
May 15, 2020
Letter accompanying subsequently filed items
May 15, 2020
Submission concerning change of proprietor's representative
May 14, 2020
Authorisation
May 14, 2020
Letter accompanying subsequently filed items
May 14, 2020
Submission concerning change of applicant's address
May 13, 2020
(Electronic) Receipt
May 13, 2020
Letter accompanying subsequently filed items
May 13, 2020
Submission concerning change of proprietor's representative
Apr 16, 2020
Communication of a notice of opposition - first information to patent proprietor
Apr 8, 2020
(Electronic) Receipt
Apr 8, 2020
Citation in opposition procedure
Apr 8, 2020
Citation in opposition procedure - 001
Apr 8, 2020
Citation in opposition procedure - 002
Apr 8, 2020
Citation in opposition procedure - 003
Apr 8, 2020
Citation in opposition procedure - 004
Apr 8, 2020
Citation in opposition procedure - 005
Apr 8, 2020
Citation in opposition procedure - 006
Apr 8, 2020
Citation in opposition procedure - 006
Apr 8, 2020
Citation in opposition procedure - 006
Apr 8, 2020
Citation in opposition procedure - 007
Apr 8, 2020
Citation in opposition procedure - 008
Apr 8, 2020
Citation in opposition procedure - 009
Apr 8, 2020
Citation in opposition procedure - 010
Apr 8, 2020
Citation in opposition procedure - 011
Apr 8, 2020
Citation in opposition procedure - 012
Apr 8, 2020
Citation in opposition procedure - 013
Apr 8, 2020
International publication (Pamphlet)
Apr 8, 2020
Notice of opposition
Apr 8, 2020
Notice of opposition
Dec 10, 2019
Annexes in respect of a client data request
Dec 10, 2019
Submission concerning change of applicant's address
Jul 22, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 14, 2019
Decision to grant a European patent
May 29, 2019
(Electronic) Receipt
May 29, 2019
Filing of the translations of the claims
May 29, 2019
French translation of claims
May 29, 2019
German translation of the claims
May 29, 2019
Letter accompanying subsequently filed items
Mar 12, 2019
Bibliographic data of the European patent application
Mar 12, 2019
Communication about intention to grant a European patent
Mar 12, 2019
Intention to grant (signatures)
Mar 12, 2019
Text intended for grant (clean copy)
Mar 12, 2019
Text intended for grant (version for approval)
Feb 12, 2019
Examination started
May 22, 2018
(Electronic) Receipt
May 22, 2018
Amended claims filed after receipt of (European) search report
May 22, 2018
Amended claims with annotations
May 22, 2018
Amendments received before examination
May 22, 2018
Letter accompanying subsequently filed items
Jan 17, 2018
Notification on forthcoming publication of bibliographic data
Nov 30, 2017
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Nov 23, 2017
Priority search results copy provided by EPO
Nov 15, 2017
Communication to designated inventor
Nov 15, 2017
Communication to designated inventor
Nov 15, 2017
Communication to designated inventor
Nov 15, 2017
Communication to designated inventor
Oct 24, 2017
Copy of the international preliminary report on patentability
Oct 6, 2017
(Electronic) Receipt
Oct 6, 2017
Request for entry into the European phase
Aug 18, 2017
Information on entry into European phase
Oct 31, 2016
Priority document (electronically transmitted)
Oct 13, 2016
Copy of the international search report
Oct 13, 2016
Published international application - A1
Jun 23, 2016
ISR: cited documents
Jun 22, 2016
Written opinion of the ISA, boxes No. I to VIII
Jun 22, 2016
Written opinion of the ISA, cover sheet
Jun 22, 2016
Written opinion of the ISA, supplemental box
May 3, 2016
Notification of receipt of Search copy
Apr 28, 2016
Notification of the international application number and of the international filing date
Apr 22, 2016
Request form for international application (copy for ISA/EP)
Apr 6, 2016
(Electronic) Receipt
Apr 6, 2016
Abstract
Apr 6, 2016
Claims
Apr 6, 2016
Description
Apr 6, 2016
Document concerning fees and payments
Apr 6, 2016
Drawings
Apr 6, 2016
Electronic request for grant of an International application
Apr 6, 2016
Priority document (RO-procedure)

EP3280525

FIRMENICH

Application Number: EP16717287A
Filing Date: Apr 6, 2016
Status: Granted And Under Opposition; Jun 7, 2019
Publication Date: Jul 10, 2019
External Links: Slate, EP3280525B1, Google Patents

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Process For Preparing Polyurea Microcapsules

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Dossier Documents

EP3280525