IP Verse

Bio-Derived 1,3-Propanediol As Natural And Non Irritating Solvents For Biomass-Derived Extracts, Fragrance Concentrates, And Oils

Patent No. EP3085683 (titled "Bio-Derived 1,3-Propanediol As Natural And Non Irritating Solvents For Biomass-Derived Extracts, Fragrance Concentrates, And Oils") was filed by Dupont Tate & Lyle BIO Products on Feb 12, 2007. The application was issued on Apr 29, 2020.

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
DSM NUTRITIONAL PRODUCTS	Jan 26, 2021	KRAUS & LEDERER PARTGMBB

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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Jul 25, 2025
Decision of the Board of Appeal
Jul 25, 2025
F3032 Notification(s) of the decision
Jul 25, 2025
F3032 Notification(s) of the decision
May 27, 2025
F3013 Oral Proceedings: Forwarding minutes
May 27, 2025
F3013 Oral Proceedings: Forwarding minutes
May 27, 2025
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Feb 13, 2025
F3345 Forwarding of submissions to parties
Feb 10, 2025
(Electronic) Receipt
Feb 10, 2025
Citation in appeal procedure - 026
Feb 10, 2025
Citation in appeal procedure - 027
Feb 10, 2025
Citation in appeal procedure - 028
Feb 10, 2025
Letter dealing with oral proceedings during the appeal procedure
Feb 10, 2025
Letter regarding the opposition procedure (no time limit)
Jan 29, 2025
F3345 Forwarding of submissions to parties
Jan 23, 2025
(Electronic) Receipt
Jan 23, 2025
Letter regarding the opposition procedure (no time limit)
Dec 20, 2024
F3345 Forwarding of submissions to parties
Dec 17, 2024
(Electronic) Receipt
Dec 17, 2024
Letter accompanying subsequently filed items
Dec 17, 2024
Letter dealing with oral proceedings during the appeal procedure
Dec 9, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 9, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 25, 2024
F3345 Forwarding of submissions to parties
Oct 25, 2024
Oral proceedings: change of venue
Oct 25, 2024
Oral proceedings: change of venue
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
Aug 22, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 22, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 29, 2024
F3345 Forwarding of submissions to parties
Jul 24, 2024
(Electronic) Receipt
Jul 24, 2024
Letter accompanying subsequently filed items
Jul 24, 2024
Letter dealing with oral proceedings during the appeal procedure
Jul 11, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 11, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 8, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Jul 8, 2024
F3345 Forwarding of submissions to parties
Jul 3, 2024
(Electronic) Receipt
Jul 3, 2024
Annexes (other than cited documents) regarding appeal procedure
Jul 3, 2024
Letter accompanying subsequently filed items
Jul 3, 2024
Oral proceedings: Request for postponement
Jun 25, 2024
F3011.1 Oral Proceedings: summons
Jun 25, 2024
F3011.1 Oral Proceedings: summons
Jun 20, 2024
F3010 Oral proceedings: order for summons
Apr 17, 2024
Composition of the board (T)
Dec 12, 2023
Letter accompanying subsequently filed items
Dec 12, 2023
Request for change of opponent's representative
Aug 31, 2023
F3345 Forwarding of submissions to parties
Aug 28, 2023
(Electronic) Receipt
Aug 28, 2023
Letter accompanying subsequently filed items
Aug 28, 2023
Letter relating to Appeal Procedure
Aug 3, 2023
F3345 Forwarding of submissions to parties
Jul 26, 2023
(Electronic) Receipt
Jul 26, 2023
Amended claims with annotations
Jul 26, 2023
Auxiliary request during appeals procedure - 04
Jul 26, 2023
Letter regarding the opposition procedure (no time limit)
Jul 26, 2023
Letter relating to Appeal Procedure
Jul 26, 2023
Letter relating to Appeal Procedure
Mar 3, 2023
F3345 Forwarding of submissions to parties
Feb 28, 2023
(Electronic) Receipt
Feb 28, 2023
Citation in appeal procedure - 005
Feb 28, 2023
Letter regarding the opposition procedure (no time limit)
Feb 28, 2023
Reply to appeal
Nov 24, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 21, 2022
(Electronic) Receipt
Nov 21, 2022
Amended claims with annotations
Nov 21, 2022
Amended claims with annotations
Nov 21, 2022
Amended claims with annotations
Nov 21, 2022
Amended claims with annotations
Nov 21, 2022
Amended claims with annotations
Nov 21, 2022
Amended claims with annotations
Nov 21, 2022
Amended claims with annotations
Nov 21, 2022
Amended claims with annotations
Nov 21, 2022
Amended claims with annotations
Nov 21, 2022
Amended claims with annotations
Nov 21, 2022
Amended claims with annotations
Nov 21, 2022
Amended claims with annotations
Nov 21, 2022
Amended claims with annotations
Nov 21, 2022
Auxiliary request during appeals procedure - 01
Nov 21, 2022
Auxiliary request during appeals procedure - 02
Nov 21, 2022
Auxiliary request during appeals procedure - 03
Nov 21, 2022
Auxiliary request during appeals procedure - 04
Nov 21, 2022
Auxiliary request during appeals procedure - 05
Nov 21, 2022
Auxiliary request during appeals procedure - 06
Nov 21, 2022
Auxiliary request during appeals procedure - 07
Nov 21, 2022
Auxiliary request during appeals procedure - 08
Nov 21, 2022
Auxiliary request during appeals procedure - 09
Nov 21, 2022
Auxiliary request during appeals procedure - 10
Nov 21, 2022
Auxiliary request during appeals procedure - 11
Nov 21, 2022
Auxiliary request during appeals procedure - 12
Nov 21, 2022
Citation in appeal procedure - 023
Nov 21, 2022
Citation in appeal procedure - 025
Nov 21, 2022
Claims
Nov 21, 2022
Letter regarding the opposition procedure (no time limit)
Nov 21, 2022
Statement of grounds of appeal
Nov 21, 2022
Statement of grounds of appeal
Sep 8, 2022
F3204 Communication of the file number to the parties
Sep 8, 2022
F3204 Communication of the file number to the parties
Sep 1, 2022
(Electronic) Receipt
Sep 1, 2022
Letter accompanying subsequently filed items
Sep 1, 2022
Notice of appeal
Aug 1, 2022
Brief communication - Opposition proceedings
Aug 1, 2022
Communication of the registration of a transfer or change of name and/or address
Jul 26, 2022
(Electronic) Receipt
Jul 26, 2022
Advice of delivery
Jul 26, 2022
Annexes in respect of a client data request
Jul 26, 2022
Letter accompanying subsequently filed items
Jul 26, 2022
Submission concerning change of applicant's address
Jul 20, 2022
Advice of delivery
Jul 14, 2022
Annex to the communication - opposition
Jul 14, 2022
Decision of the Opposition Division and instruction
Jul 14, 2022
Decision revoking the European patent
Jul 14, 2022
Decision revoking the European patent
Jul 14, 2022
Grounds for the decision (Annex) - opposition
Jul 14, 2022
Means of redress
Jul 14, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 14, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 14, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 14, 2022
Provision of a copy of the minutes - opposition procedure
Jul 14, 2022
Provision of a copy of the minutes - opposition procedure
Jul 14, 2022
Scanned annex to a communication - opposition procedure
Jul 14, 2022
Transmittal of decision / summons - opposition
Jul 14, 2022
Transmittal of decision / summons - opposition
Jun 27, 2022
Brief communication - Opposition proceedings
Jun 27, 2022
Information about the result of oral proceedings
Jun 24, 2022
(Electronic) Receipt
Jun 24, 2022
Citation in opposition procedure - 025
Jun 24, 2022
Consolidated list of cited opposition documents
Jun 24, 2022
Letter accompanying subsequently filed items
Jun 24, 2022
Written submission in preparation to/during oral proceedings
Jun 14, 2022
Brief communication - Opposition proceedings
Jun 9, 2022
(Electronic) Receipt
Jun 9, 2022
Citation in opposition procedure - 024
Jun 9, 2022
Letter accompanying subsequently filed items
Jun 9, 2022
Written submission in preparation to/during oral proceedings
May 10, 2022
(Electronic) Receipt
May 10, 2022
Letter accompanying subsequently filed items
May 9, 2022
(Electronic) Receipt
May 9, 2022
Letter accompanying subsequently filed items
May 4, 2022
Notification concerning the date of oral proceedings
May 4, 2022
Notification concerning the date of oral proceedings
May 2, 2022
Brief communication - Opposition proceedings
Apr 29, 2022
(Electronic) Receipt
Apr 29, 2022
Letter accompanying subsequently filed items
Apr 26, 2022
(Electronic) Receipt
Apr 26, 2022
Auxiliary request during Opposition procedure
Apr 26, 2022
Auxiliary request during Opposition procedure
Apr 26, 2022
Auxiliary request during Opposition procedure
Apr 26, 2022
Auxiliary request during Opposition procedure
Apr 26, 2022
Auxiliary request during Opposition procedure
Apr 26, 2022
Auxiliary request during Opposition procedure
Apr 26, 2022
Auxiliary request during Opposition procedure
Apr 26, 2022
Auxiliary request during Opposition procedure
Apr 26, 2022
Auxiliary request during Opposition procedure
Apr 26, 2022
Auxiliary request during Opposition procedure
Apr 26, 2022
Auxiliary request during Opposition procedure - 01
Apr 26, 2022
Auxiliary request during Opposition procedure - 02
Apr 26, 2022
Auxiliary request during Opposition procedure - 03
Apr 26, 2022
Auxiliary request during Opposition procedure - 04
Apr 26, 2022
Auxiliary request during Opposition procedure - 05
Apr 26, 2022
Auxiliary request during Opposition procedure - 06
Apr 26, 2022
Auxiliary request during Opposition procedure - 07
Apr 26, 2022
Auxiliary request during Opposition procedure - 08
Apr 26, 2022
Auxiliary request during Opposition procedure - 09
Apr 26, 2022
Auxiliary request during Opposition procedure - 10
Apr 26, 2022
Citation in opposition procedure - 023
Apr 26, 2022
Letter accompanying subsequently filed items
Apr 26, 2022
Written submission in preparation to/during oral proceedings
Apr 26, 2022
Written submission in preparation to/during oral proceedings
Apr 11, 2022
Brief communication - Opposition proceedings
Apr 6, 2022
(Electronic) Receipt
Apr 6, 2022
Letter accompanying subsequently filed items
Apr 6, 2022
Request for interpreters during oral proceedings
Dec 6, 2021
Advice of delivery
Dec 3, 2021
Advice of delivery
Nov 30, 2021
Annex to the communication - opposition
Nov 30, 2021
Summons to attend oral proceedings
Nov 30, 2021
Summons to attend oral proceedings
Nov 30, 2021
Transmittal of decision / summons - opposition
Nov 30, 2021
Transmittal of decision / summons - opposition
Sep 20, 2021
Brief communication - Opposition proceedings
Sep 15, 2021
(Electronic) Receipt
Sep 15, 2021
Citation in opposition procedure - 019
Sep 15, 2021
Citation in opposition procedure - 020
Sep 15, 2021
Citation in opposition procedure - 021
Sep 15, 2021
Citation in opposition procedure - 022
Sep 15, 2021
Letter accompanying subsequently filed items
Sep 15, 2021
Reply from the opponent to submission of proprietor
Sep 6, 2021
Brief communication - Opposition proceedings
Sep 1, 2021
(Electronic) Receipt
Sep 1, 2021
Citation in opposition procedure - 016
Sep 1, 2021
Letter accompanying subsequently filed items
Sep 1, 2021
Reply of the patent proprietor to the notice(s) of opposition
Aug 26, 2021
Brief communication - Opposition proceedings
Aug 23, 2021
(Electronic) Receipt
Aug 23, 2021
Citation in opposition procedure - 016
Aug 23, 2021
Citation in opposition procedure - 017
Aug 23, 2021
Citation in opposition procedure - 018
Aug 23, 2021
Letter accompanying subsequently filed items
Aug 23, 2021
Main request during Opposition procedure
Aug 23, 2021
Main request during Opposition procedure
Aug 23, 2021
Reply of the patent proprietor to the notice(s) of opposition
Jun 14, 2021
Brief communication - Opposition proceedings
Jun 14, 2021
Brief communication - Opposition proceedings
Jun 11, 2021
Brief communication - Opposition proceedings
Jun 11, 2021
Grant of extension of time limit (opposition procedure)
Jun 10, 2021
(Electronic) Receipt
Jun 10, 2021
Citation in opposition procedure - 014
Jun 10, 2021
Citation in opposition procedure - 015
Jun 10, 2021
Letter accompanying subsequently filed items
Jun 10, 2021
Letter regarding the opposition procedure (no time limit)
Jun 7, 2021
(Electronic) Receipt
Jun 7, 2021
Letter accompanying subsequently filed items
Jun 7, 2021
Request for extension of time limit
Feb 12, 2021
Communication of a notice of opposition and request to file observations
Feb 12, 2021
Notice of further oppositions to opponent(s)
Jan 29, 2021
Communication of a notice of opposition - first information to patent proprietor
Jan 26, 2021
(Electronic) Receipt
Jan 26, 2021
Citation in opposition procedure - 001
Jan 26, 2021
Citation in opposition procedure - 002
Jan 26, 2021
Citation in opposition procedure - 003
Jan 26, 2021
Citation in opposition procedure - 004
Jan 26, 2021
Citation in opposition procedure - 004
Jan 26, 2021
Citation in opposition procedure - 005
Jan 26, 2021
Citation in opposition procedure - 006
Jan 26, 2021
Citation in opposition procedure - 007
Jan 26, 2021
Citation in opposition procedure - 008
Jan 26, 2021
Citation in opposition procedure - 009
Jan 26, 2021
Citation in opposition procedure - 010
Jan 26, 2021
Citation in opposition procedure - 011
Jan 26, 2021
Citation in opposition procedure - 012
Jan 26, 2021
Citation in opposition procedure - 012
Jan 26, 2021
Citation in opposition procedure - 013
Jan 26, 2021
Citation in opposition procedure - 013
Jan 26, 2021
Letter accompanying subsequently filed items
Jan 26, 2021
Notice of opposition
Jan 26, 2021
Notice of opposition
May 11, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 2, 2020
Decision to grant a European patent
Mar 18, 2020
(Electronic) Receipt
Mar 18, 2020
Filing of the translations of the claims
Mar 18, 2020
French translation of claims
Mar 18, 2020
German translation of the claims
Mar 18, 2020
Letter accompanying subsequently filed items
Nov 8, 2019
Bibliographic data of the European patent application
Nov 8, 2019
Communication about intention to grant a European patent
Nov 8, 2019
Intention to grant (signatures)
Nov 8, 2019
Text intended for grant (clean copy)
Nov 8, 2019
Text intended for grant (version for approval)
Oct 2, 2019
(Electronic) Receipt
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended description with annotations
Oct 2, 2019
Claims
Oct 2, 2019
Description
Oct 2, 2019
Letter accompanying subsequently filed items
Oct 2, 2019
Reply to communication from the Examining Division
May 28, 2019
Annex to the communication
May 28, 2019
Communication from the Examining Division
Nov 9, 2018
(Electronic) Receipt
Nov 9, 2018
Amended claims with annotations
Nov 9, 2018
Claims
Nov 9, 2018
Letter accompanying subsequently filed items
Nov 9, 2018
Reply to communication from the Examining Division
Sep 20, 2018
Grant of extension of time limit (examination procedure)
Sep 10, 2018
(Electronic) Receipt
Sep 10, 2018
Request for extension of time limit to communication from the Examining Division
Apr 30, 2018
Annex to the communication
Apr 30, 2018
Communication from the Examining Division
Apr 17, 2018
Examination started
Apr 26, 2017
(Electronic) Receipt
Apr 26, 2017
Amended claims filed after receipt of (European) search report
Apr 26, 2017
Amended claims with annotations
Apr 26, 2017
Amended description filed after receipt of (European) search report
Apr 26, 2017
Amended description with annotations
Apr 26, 2017
Amendments received before examination
Apr 26, 2017
Annex
Apr 26, 2017
Letter accompanying subsequently filed items
Oct 31, 2016
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Sep 28, 2016
Notification of forthcoming publication
Sep 5, 2016
Communication regarding the transmission of the European search report
Sep 5, 2016
European search opinion
Sep 5, 2016
European search report
Sep 5, 2016
Information on Search Strategy
Aug 29, 2016
Modified abstract
Aug 23, 2016
Search started
Jul 20, 2016
Request for change of applicant's representative
Jun 15, 2016
Communication to designated inventor
Jun 15, 2016
Communication to designated inventor
Jun 15, 2016
Communication to designated inventor
Jun 15, 2016
Communication to designated inventor
Apr 22, 2016
Abstract
Apr 22, 2016
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Apr 22, 2016
Claims
Apr 22, 2016
Description
Apr 22, 2016
Designation of inventor
Apr 22, 2016
Letter concerning search matters
Apr 22, 2016
Request for grant of a European patent
Sep 12, 2007
Priority document (electronically transmitted)
Sep 12, 2007
Priority document (electronically transmitted)
Sep 12, 2007
Priority document (electronically transmitted)
Sep 12, 2007
Priority document (electronically transmitted)
Sep 12, 2007
Priority document (electronically transmitted)
Sep 12, 2007
Priority document (electronically transmitted)
Sep 12, 2007
Priority document (electronically transmitted)
Sep 11, 2007
Priority document (electronically transmitted)
Sep 11, 2007
Priority document (electronically transmitted)
Sep 11, 2007
Priority document (electronically transmitted)
Sep 11, 2007
Priority document (electronically transmitted)
Sep 11, 2007
Priority document (electronically transmitted)

EP3085683

DUPONT TATE & LYLE BIO PRODUCTS

Application Number: EP16166619A
Filing Date: Feb 12, 2007
Status: Revoked; Aug 1, 2025
Publication Date: Apr 29, 2020
External Links: Slate, Register , Google Patents