The weekly litigation news digest is live. Subscribe now

IP Verse

Bio-Derived 1,3-Propanediol As Natural And Non Irritating Solvents For Biomass-Derived Extracts, Fragrance Concentrates, And Oils - EP3085683

The patent EP3085683 was granted to Dupont Tate & Lyle BIO Products on Apr 29, 2020. The application was filed on Feb 12, 2007 under application number EP16166619A. The patent is currently recorded with a legal status of "Revoked".

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

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	Opposition Status
DSM NUTRITIONAL PRODUCTS	Jan 26, 2021	KRAUS & LEDERER PARTGMBB	ADMISSIBLE

Patent Citations (20) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation Phase	Publication Number
DESCRIPTION	US19970000699
DESCRIPTION	US2434110
DESCRIPTION	US5034134
DESCRIPTION	US510036
DESCRIPTION	US5334778
DESCRIPTION	US5686276
DESCRIPTION	US6136576
DESCRIPTION	US6358716
EXAMINATION	CN1687433
OPPOSITION	CN1210851
OPPOSITION	CN1904009
OPPOSITION	EP1991688
OPPOSITION	JPH05221821
OPPOSITION	US2005020805
OPPOSITION	WO2004101479
SEARCH	CN1230399
SEARCH	CN1411722
SEARCH	CN1460671
SEARCH	JPS5615694
SEARCH	US2005069997

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

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