Process For The Production Of Di- And Polyamines Of The Diphenylmethane Series

Patent No. EP2203407 (titled "Process For The Production Of Di- And Polyamines Of The Diphenylmethane Series") was filed by Huntsman on Aug 28, 2008. The application was issued on Nov 23, 2022.

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
BASF	Aug 15, 2017	BASF ASSOCIATION

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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Oct 27, 2022
Decision to maintain the European patent in amended form
Oct 27, 2022
Decision to maintain the European patent in amended form
Oct 21, 2022
Termination of the opposition proceedings with maintenance of patent
Oct 13, 2022
Druckexemplar in opposition procedure
Oct 12, 2022
(Electronic) Receipt
Oct 12, 2022
Clean copy of description pages in the opposition procedure
Oct 12, 2022
Filing of the translation of the amended claims
Oct 12, 2022
French translation of claims
Oct 12, 2022
German translation of the claims
Oct 12, 2022
Letter accompanying subsequently filed items
Sep 22, 2022
Brief communication - Opposition proceedings
Sep 22, 2022
Communication confirming withdrawal from representation
Sep 22, 2022
Communication of amended entries concerning the representative
Sep 16, 2022
(Electronic) Receipt
Sep 16, 2022
Letter accompanying subsequently filed items (CDR)
Sep 16, 2022
Submission concerning change of proprietor's representative
Jul 21, 2022
Communication of bibliographic data
Jul 21, 2022
Communication to opponent concerning maintenance
Jul 21, 2022
Communication with request to file translations
Jul 8, 2022
Maintenance of the patent with the documents specified in the final decision
Jul 5, 2022
Decision of the Board of Appeal
Jul 5, 2022
F3032 Notification(s) of the decision
Jul 5, 2022
F3032 Notification(s) of the decision
Jun 13, 2022
F3013 Oral Proceedings: Forwarding minutes
Jun 13, 2022
F3013 Oral Proceedings: Forwarding minutes
Jun 13, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
May 3, 2022
F3018 Oral proceedings: Confirmation interpreters
May 3, 2022
F3018 Oral proceedings: Confirmation interpreters
May 2, 2022
F3022 Oral proceedings: change of board composition
May 2, 2022
F3022 Oral proceedings: change of board composition
May 2, 2022
F3345 Forwarding of submissions to parties
Apr 27, 2022
F3303.16 Change of composition of the Board (T)
Apr 26, 2022
(Electronic) Receipt
Apr 26, 2022
Letter accompanying subsequently filed items
Apr 26, 2022
Request for interpreters during oral proceedings
Apr 19, 2022
Oral proceedings: change of venue
Apr 19, 2022
Oral proceedings: change of venue
Apr 13, 2022
(Electronic) Receipt
Apr 13, 2022
F3345 Forwarding of submissions to parties
Apr 13, 2022
Letter accompanying subsequently filed items
Apr 13, 2022
Oral proceedings: reply to date proposed
Mar 25, 2022
Communication concerning the filing of a power of attorney
Mar 25, 2022
Communication of amended entries concerning the representative
Mar 8, 2022
F3345 Forwarding of submissions to parties
Mar 2, 2022
(Electronic) Receipt
Mar 2, 2022
Authorisation
Mar 2, 2022
Letter accompanying subsequently filed items
Mar 2, 2022
Submission concerning change of proprietor's representative
Feb 25, 2022
F3345 Forwarding of submissions to parties
Feb 21, 2022
(Electronic) Receipt
Feb 21, 2022
Letter accompanying subsequently filed items
Feb 21, 2022
Oral proceedings: reply to date proposed
Feb 2, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 2, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 15, 2021
Request for change of applicant's representative
Jul 1, 2021
(Electronic) Receipt
Jul 1, 2021
Advice of delivery
Jul 1, 2021
Letter accompanying subsequently filed items
Jun 29, 2021
F3011.1 Oral Proceedings: summons
Jun 29, 2021
F3011.1 Oral Proceedings: summons
Jun 24, 2021
F3010 Oral proceedings: order for summons
Jun 24, 2021
F3303.16 Change of composition of the Board (T)
Nov 5, 2019
F3345 Forwarding of submissions to parties
Oct 30, 2019
(Electronic) Receipt
Oct 30, 2019
Amended claims with annotations
Oct 30, 2019
Amended claims with annotations
Oct 30, 2019
Amended claims with annotations
Oct 30, 2019
Amended claims with annotations
Oct 30, 2019
Amended claims with annotations
Oct 30, 2019
Claims
Oct 30, 2019
Claims
Oct 30, 2019
Claims
Oct 30, 2019
Claims
Oct 30, 2019
Claims
Oct 30, 2019
Letter accompanying subsequently filed items
Oct 30, 2019
Reply to appeal
Aug 1, 2019
Composition of the board (T)
Jul 12, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 8, 2019
(Electronic) Receipt
Jul 8, 2019
Cited document during appeal procedure
Jul 8, 2019
Cited document during appeal procedure
Jul 8, 2019
Letter accompanying subsequently filed items
Jul 8, 2019
Statement of grounds of appeal
May 10, 2019
F3204 Communication of the file number to the parties
May 10, 2019
F3204 Communication of the file number to the parties
Apr 30, 2019
Processing of an appeal
Apr 29, 2019
(Electronic) Receipt
Apr 29, 2019
Letter accompanying subsequently filed items
Apr 29, 2019
Notice of appeal
Mar 6, 2019
Advice of delivery
Feb 28, 2019
Advice of delivery
Feb 28, 2019
Advice of delivery
Feb 27, 2019
Advice of delivery
Feb 25, 2019
Acknowledgement of a document
Feb 25, 2019
Acknowledgement of a document
Feb 25, 2019
Annex to the communication - opposition
Feb 25, 2019
Decision of the Opposition Division and instruction
Feb 25, 2019
Grounds for the decision (Annex) - opposition
Feb 25, 2019
Interlocutory decision in opposition proceedings
Feb 25, 2019
Interlocutory decision in opposition proceedings
Feb 25, 2019
Internal form - Opposition/addressees
Feb 25, 2019
Internal form - Opposition/addressees
Feb 25, 2019
Means of redress
Feb 25, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 25, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 25, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 25, 2019
OPPODREX with handwritten amendments
Feb 25, 2019
Provision of a copy of the minutes - opposition procedure
Feb 25, 2019
Provision of a copy of the minutes - opposition procedure
Feb 25, 2019
Scanned annex to a communication - opposition procedure
Jan 22, 2019
Information about the result of oral proceedings
Nov 30, 2018
Brief communication - Opposition proceedings
Nov 23, 2018
Brief communication - Opposition proceedings
Nov 22, 2018
(Electronic) Receipt
Nov 22, 2018
Letter accompanying subsequently filed items
Nov 22, 2018
Written submission in preparation to/during oral proceedings
Nov 20, 2018
(Electronic) Receipt
Nov 20, 2018
Letter accompanying subsequently filed items
Nov 20, 2018
Request for interpreters during oral proceedings
Nov 15, 2018
Brief communication - Opposition proceedings
Nov 12, 2018
(Electronic) Receipt
Nov 12, 2018
Letter accompanying subsequently filed items
Nov 12, 2018
Request for interpreters during oral proceedings
May 22, 2018
Advice of delivery
May 22, 2018
Advice of delivery
May 17, 2018
Letter dealing with oral proceedings
May 14, 2018
Advice of delivery
May 9, 2018
Advice of delivery
May 8, 2018
Letter dealing with oral proceedings
May 4, 2018
Acknowledgement of a document
May 4, 2018
Acknowledgement of a document
May 4, 2018
Information concerning oral proceedings
May 4, 2018
Summons to attend oral proceedings
May 4, 2018
Summons to attend oral proceedings
May 3, 2018
Notification concerning the date of oral proceedings
May 3, 2018
Notification concerning the date of oral proceedings
Apr 24, 2018
Communication of amended entries concerning the representative
Apr 23, 2018
Brief communication - Opposition proceedings
Apr 18, 2018
Advice of delivery
Apr 17, 2018
(Electronic) Receipt
Apr 17, 2018
Any annexes (other than citation) to an opposition letter
Apr 17, 2018
Authorisation
Apr 17, 2018
Letter accompanying subsequently filed items
Apr 17, 2018
Oral proceedings: Request for postponement
Apr 12, 2018
Advice of delivery
Apr 9, 2018
Advice of delivery
Apr 9, 2018
Advice of delivery
Apr 5, 2018
Acknowledgement of a document
Apr 5, 2018
Acknowledgement of a document
Apr 5, 2018
Annex to the communication - opposition
Apr 5, 2018
Information concerning oral proceedings
Apr 5, 2018
Preparation for oral proceedings
Apr 5, 2018
Summons to attend oral proceedings
Apr 5, 2018
Summons to attend oral proceedings
Jan 15, 2018
Brief communication - Opposition proceedings
Jan 5, 2018
(Electronic) Receipt
Jan 5, 2018
Amended claims with annotations
Jan 5, 2018
Amended claims with annotations
Jan 5, 2018
Amended claims with annotations
Jan 5, 2018
Claims
Jan 5, 2018
Claims
Jan 5, 2018
Claims
Jan 5, 2018
Letter accompanying subsequently filed items
Jan 5, 2018
Reply of the patent proprietor to the notice(s) of opposition
Sep 22, 2017
Communication of a notice of opposition and request to file observations
Sep 22, 2017
Miscellaneous requests concerning client data
Sep 22, 2017
Notice of further oppositions to opponent(s)
Sep 22, 2017
Request for change of applicant's representative
Aug 22, 2017
Communication of a notice of opposition - first information to patent proprietor
Aug 15, 2017
(Electronic) Receipt
Aug 15, 2017
Non-patent literature cited during the opposition procedure
Aug 15, 2017
Non-patent literature cited during the opposition procedure
Aug 15, 2017
Notice of opposition
Aug 15, 2017
Notice of opposition
Aug 15, 2017
Patent document cited during the opposition procedure
Aug 15, 2017
Patent document cited during the opposition procedure
Aug 15, 2017
Patent document cited during the opposition procedure
Aug 15, 2017
Patent document cited during the opposition procedure
Nov 16, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 20, 2016
Decision to grant a European patent
Oct 5, 2016
(Electronic) Receipt
Oct 5, 2016
Filing of the translations of the claims
Oct 5, 2016
French translation of claims
Oct 5, 2016
German translation of the claims
Oct 5, 2016
Letter accompanying subsequently filed items
Jul 14, 2016
Bibliographic data of the European patent application
Jul 14, 2016
Communication about intention to grant a European patent
Jul 14, 2016
Intention to grant (signatures)
Jul 14, 2016
Text intended for grant (clean copy)
Jul 14, 2016
Text intended for grant (version for approval)
Jul 5, 2016
Notification concerning the date of oral proceedings
Jun 28, 2016
(Electronic) Receipt
Jun 28, 2016
Amended claims filed after receipt of (European) search report
Jun 28, 2016
Amended claims with annotations
Jun 28, 2016
Annex to the communication
Jun 28, 2016
Consultation by telephone/in person
Jun 28, 2016
Letter accompanying subsequently filed items
Jun 28, 2016
Notification concerning the date of oral proceedings
Jun 28, 2016
Result of consultation by telephone/in person
Jun 28, 2016
Written submission in preparation to/during oral proceedings
Jun 27, 2016
(Electronic) Receipt
Jun 27, 2016
Amended claims filed after receipt of (European) search report
Jun 27, 2016
Amended claims with annotations
Jun 27, 2016
Amended description filed after receipt of (European) search report
Jun 27, 2016
Amended description with annotations
Jun 27, 2016
Letter accompanying subsequently filed items
Jun 27, 2016
Written submission in preparation to/during oral proceedings
May 24, 2016
(Electronic) Receipt
May 24, 2016
Amended claims with annotations
May 24, 2016
Amended claims with annotations
May 24, 2016
Amended claims with annotations
May 24, 2016
Amended claims with annotations
May 24, 2016
Claims
May 24, 2016
Claims
May 24, 2016
Claims
May 24, 2016
Claims
May 24, 2016
Findings upon submissions relating to oral proceedings
May 24, 2016
Letter accompanying subsequently filed items
May 24, 2016
Letter dealing with oral proceedings
Aug 19, 2015
Advice of delivery
Aug 7, 2015
Advice of delivery
Aug 4, 2015
Annex to the communication
Aug 4, 2015
Preparation for oral proceedings
Aug 4, 2015
Summons to attend oral proceedings
Mar 14, 2013
(Electronic) Receipt
Mar 14, 2013
Claims
Mar 14, 2013
Letter accompanying subsequently filed items
Mar 14, 2013
Reply to communication from the Examining Division
Jan 9, 2013
Communication of amended entries concerning the representative
Jan 2, 2013
Annex to the communication
Jan 2, 2013
Communication from the Examining Division
Jan 2, 2013
Submission concerning change of applicant's representative
Dec 21, 2012
Submission concerning change of applicant's representative
May 24, 2011
(Electronic) Receipt
May 24, 2011
Claims
May 24, 2011
Letter accompanying subsequently filed items
May 24, 2011
Reply to communication from the Examining Division
Jan 13, 2011
Grant of extension of time limit (examination procedure)
Jan 10, 2011
(Electronic) Receipt
Jan 10, 2011
Letter accompanying subsequently filed items
Jan 10, 2011
Request for extension of time limit to communication from the Examining Division
Dec 23, 2010
Annex to the communication
Dec 23, 2010
Communication from the Examining Division
Jun 9, 2010
Notification on forthcoming publication of bibliographic data
Jun 2, 2010
(Electronic) Receipt
Jun 2, 2010
Amended claims filed after receipt of (European) search report
Jun 2, 2010
Amendments received before examination
Jun 2, 2010
Letter accompanying subsequently filed items
May 10, 2010
Communication regarding comments on Written Opinion/amendment of application/payment of claims fee
Apr 13, 2010
Copy of the international preliminary report on patentability
Feb 5, 2010
(Electronic) Receipt
Feb 5, 2010
Amended claims filed after receipt of (European) search report
Feb 5, 2010
Amendments received before examination
Feb 5, 2010
Request for entry into the European phase
Jan 29, 2010
Information on entry into European phase
Apr 21, 2009
Priority document (electronically transmitted)
Mar 26, 2009
Copy of the international search report
Mar 26, 2009
Published international application - A1
Dec 29, 2008
Written opinion of the ISA, boxes No. I to VIII
Dec 29, 2008
Written opinion of the ISA, cover sheet
Dec 29, 2008
Written opinion of the ISA, supplemental box
Aug 28, 2008
(Electronic) Receipt
Aug 28, 2008
Abstract
Aug 28, 2008
Claims
Aug 28, 2008
Description
Aug 28, 2008
Drawings
Aug 28, 2008
Priority document (RO-procedure)

EP2203407

HUNTSMAN

Application Number: EP08803348A
Filing Date: Aug 28, 2008
Status: Patent Maintained As Amended; Oct 21, 2022
Publication Date: Nov 23, 2022
External Links: Slate, Register , Google Patents

IP Verse

Process For The Production Of Di- And Polyamines Of The Diphenylmethane Series

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2203407