Process For Purifying Astaxanthin And Canthaxanthin

Patent No. EP3201175 (titled "Process For Purifying Astaxanthin And Canthaxanthin") was filed by Basf on Oct 1, 2015. The application was issued on Dec 16, 2020.

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	Sep 16, 2021	SEIBEL THOMSEN

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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May 25, 2023
Termination of the opposition proceedings with maintenance of patent
May 23, 2023
Refund of fees
May 22, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
May 22, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
May 16, 2023
F3345 Forwarding of submissions to parties
May 11, 2023
(Electronic) Receipt
May 11, 2023
Letter accompanying subsequently filed items
May 11, 2023
Withdrawal of an appeal
Mar 17, 2023
F3204 Communication of the file number to the parties
Mar 17, 2023
F3204 Communication of the file number to the parties
Mar 13, 2023
(Electronic) Receipt
Mar 13, 2023
Letter accompanying subsequently filed items
Mar 13, 2023
Notice of appeal
Jan 3, 2023
(Electronic) Receipt
Jan 3, 2023
Advice of delivery
Jan 3, 2023
Advice of delivery
Jan 3, 2023
Letter accompanying subsequently filed items
Jan 2, 2023
Annex to the communication - opposition
Jan 2, 2023
Decision of the Opposition Division and instruction
Jan 2, 2023
Decision rejecting the opposition
Jan 2, 2023
Decision rejecting the opposition
Jan 2, 2023
Grounds for the decision (Annex) - opposition
Jan 2, 2023
Means of redress
Jan 2, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 2, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 2, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 2, 2023
Provision of a copy of the minutes - opposition procedure
Jan 2, 2023
Provision of a copy of the minutes - opposition procedure
Jan 2, 2023
Transmittal of decision / summons - opposition
Jan 2, 2023
Transmittal of decision / summons - opposition
Dec 13, 2022
Information about the result of oral proceedings
Nov 17, 2022
Brief communication - Opposition proceedings
Nov 14, 2022
(Electronic) Receipt
Nov 14, 2022
Letter accompanying subsequently filed items
Nov 14, 2022
Written submission in preparation to/during oral proceedings
Nov 10, 2022
(Electronic) Receipt
Nov 10, 2022
Letter accompanying subsequently filed items
Oct 25, 2022
Brief communication - Opposition proceedings
Oct 25, 2022
Communication of amended entries
Oct 18, 2022
Brief communication - Opposition proceedings
Oct 18, 2022
Brief communication - Opposition proceedings
Oct 13, 2022
(Electronic) Receipt
Oct 13, 2022
(Electronic) Receipt
Oct 13, 2022
Auxiliary request during Opposition procedure
Oct 13, 2022
Auxiliary request during Opposition procedure
Oct 13, 2022
Auxiliary request during Opposition procedure
Oct 13, 2022
Auxiliary request during Opposition procedure - 01
Oct 13, 2022
Auxiliary request during Opposition procedure - 02
Oct 13, 2022
Auxiliary request during Opposition procedure - 03
Oct 13, 2022
Citation in opposition procedure - 019
Oct 13, 2022
Consolidated list of cited opposition documents
Oct 13, 2022
General authorisation
Oct 13, 2022
Letter accompanying subsequently filed items
Oct 13, 2022
Letter accompanying subsequently filed items
Oct 13, 2022
Request for change of opponent's representative
Oct 13, 2022
Written submission in preparation to/during oral proceedings
Oct 13, 2022
Written submission in preparation to/during oral proceedings
Jul 20, 2022
(Electronic) Receipt
Jul 20, 2022
Advice of delivery
Jul 20, 2022
Letter accompanying subsequently filed items
Jul 18, 2022
Brief communication - Opposition proceedings
Jul 18, 2022
Communication about missing advice of delivery
Jul 18, 2022
Communication about missing advice of delivery
Jul 13, 2022
(Electronic) Receipt
Jul 13, 2022
Advice of delivery
Jul 13, 2022
Letter accompanying subsequently filed items
Jun 7, 2022
Advice of delivery
Jun 3, 2022
Annex to the communication - opposition
Jun 3, 2022
Information concerning oral proceedings
Jun 3, 2022
Summons to attend oral proceedings
Jun 3, 2022
Summons to attend oral proceedings
Jun 3, 2022
Transmittal of decision / summons - opposition
Jun 3, 2022
Transmittal of decision / summons - opposition
Feb 17, 2022
Brief communication - Opposition proceedings
Feb 16, 2022
Communication of amended entries concerning the representative
Feb 11, 2022
Brief communication - Opposition proceedings
Feb 8, 2022
(Electronic) Receipt
Feb 8, 2022
Auxiliary request during Opposition procedure
Feb 8, 2022
Auxiliary request during Opposition procedure
Feb 8, 2022
Auxiliary request during Opposition procedure - 01
Feb 8, 2022
Auxiliary request during Opposition procedure - 02
Feb 8, 2022
Citation in opposition procedure - 015
Feb 8, 2022
Citation in opposition procedure - 016
Feb 8, 2022
Citation in opposition procedure - 017
Feb 8, 2022
Citation in opposition procedure - 018
Feb 8, 2022
Letter accompanying subsequently filed items
Feb 8, 2022
Main request during Opposition procedure
Feb 8, 2022
Main request during Opposition procedure
Feb 8, 2022
Reply of the patent proprietor to the notice(s) of opposition
Sep 28, 2021
Communication of a notice of opposition and request to file observations
Sep 28, 2021
Notice of further oppositions to opponent(s)
Sep 22, 2021
Communication of a notice of opposition - first information to patent proprietor
Sep 16, 2021
(Electronic) Receipt
Sep 16, 2021
Citation in opposition procedure - 001
Sep 16, 2021
Citation in opposition procedure - 002
Sep 16, 2021
Citation in opposition procedure - 003
Sep 16, 2021
Citation in opposition procedure - 004
Sep 16, 2021
Citation in opposition procedure - 005
Sep 16, 2021
Citation in opposition procedure - 006
Sep 16, 2021
Citation in opposition procedure - 007
Sep 16, 2021
Citation in opposition procedure - 008
Sep 16, 2021
Citation in opposition procedure - 009
Sep 16, 2021
Citation in opposition procedure - 010
Sep 16, 2021
Citation in opposition procedure - 011
Sep 16, 2021
Citation in opposition procedure - 012
Sep 16, 2021
Citation in opposition procedure - 013
Sep 16, 2021
Citation in opposition procedure - 014
Sep 16, 2021
Letter accompanying subsequently filed items
Sep 16, 2021
Notice of opposition
Jan 11, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 19, 2020
Decision to grant a European patent
Nov 2, 2020
(Electronic) Receipt
Nov 2, 2020
Filing of the translations of the claims
Nov 2, 2020
French translation of claims
Nov 2, 2020
German translation of the claims
Aug 25, 2020
Communication confirming withdrawal from representation
Aug 25, 2020
Notification of termination of representative's authorisation
Aug 19, 2020
(Electronic) Receipt
Aug 19, 2020
Letter accompanying subsequently filed items
Aug 19, 2020
Submission concerning change of applicant's representative
Jul 8, 2020
Bibliographic data of the European patent application
Jul 8, 2020
Communication about intention to grant a European patent
Jul 8, 2020
Intention to grant (signatures)
Jul 8, 2020
Text intended for grant (clean copy)
Jul 8, 2020
Text intended for grant (version for approval)
May 18, 2020
(Electronic) Receipt
May 18, 2020
Amended claims with annotations
May 18, 2020
Amended description with annotations
May 18, 2020
Claims
May 18, 2020
Description
May 18, 2020
Letter accompanying subsequently filed items
May 18, 2020
Reply to communication from the Examining Division
Apr 17, 2020
Grant of extension of time limit (examination procedure)
Apr 14, 2020
(Electronic) Receipt
Apr 14, 2020
Letter accompanying subsequently filed items
Apr 14, 2020
Request for extension of time limit to communication from the Examining Division
Dec 6, 2019
Annex to the communication
Dec 6, 2019
Communication from the Examining Division
Dec 2, 2019
Examination started
Nov 17, 2017
(Electronic) Receipt
Nov 17, 2017
Amended claims filed after receipt of (European) search report
Nov 17, 2017
Amended claims with annotations
Nov 17, 2017
Amendments received before examination
Nov 17, 2017
Letter accompanying subsequently filed items
Jul 12, 2017
Notification on forthcoming publication of bibliographic data
May 12, 2017
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
May 10, 2017
Communication to designated inventor
May 10, 2017
Communication to designated inventor
May 5, 2017
Priority search results copy provided by EPO
Apr 10, 2017
Annexes to the international preliminary examination report
Apr 10, 2017
Copy of the international preliminary examination report
Mar 29, 2017
(Electronic) Receipt
Mar 29, 2017
Request for entry into the European phase
Feb 10, 2017
Information on entry into European phase
Dec 15, 2016
Annex to International preliminary examination report
Dec 15, 2016
International preliminary examination report
Dec 15, 2016
International preliminary examination report - free text sheet
Dec 15, 2016
International preliminary examination report - points I-VIII
Dec 15, 2016
Transmittal of International Preliminary Examination Report
Nov 8, 2016
(Electronic) Receipt
Nov 8, 2016
Letter regarding PCTII procedure
Nov 8, 2016
PCT(IPEA): Amended sheet - claims
Nov 8, 2016
Reply to communication PCT/IPEA/408
Sep 9, 2016
Written opinion
Sep 9, 2016
Written opinion - free text sheet
Sep 9, 2016
Written opinion - points I-VIII
Aug 4, 2016
Notification of receipt of demand
Jul 28, 2016
(Electronic) Receipt
Jul 28, 2016
PCT demand form
Jul 28, 2016
PCT(IPEA): Amended sheet - claims
Jul 28, 2016
PCT(IPEA): Amended sheet - claims
Jul 28, 2016
Payment of fees and costs
Jul 28, 2016
Reply to International Search Opinion
Apr 28, 2016
Priority document (electronically transmitted)
Apr 7, 2016
Copy of the international search report
Apr 7, 2016
Published international application - A1
Dec 10, 2015
Written opinion of the ISA, boxes No. I to VIII
Dec 10, 2015
Written opinion of the ISA, cover sheet
Dec 10, 2015
Written opinion of the ISA, supplemental box
Oct 19, 2015
Notification of the international application number and of the international filing date
Oct 1, 2015
(Electronic) Receipt
Oct 1, 2015
Abstract
Oct 1, 2015
Claims
Oct 1, 2015
Description
Oct 1, 2015
Document concerning fees and payments
Oct 1, 2015
Electronic request for grant of an International application
Oct 1, 2015
Priority document (RO-procedure)

EP3201175

BASF

Application Number: EP15775671A
Filing Date: Oct 1, 2015
Status: Opposition Rejected; May 26, 2023
Publication Date: Dec 16, 2020
External Links: Slate, Register , Google Patents

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Process For Purifying Astaxanthin And Canthaxanthin

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Dossier Documents

EP3201175