IP Verse

Process For Preparation Of Polyolefins Via Living Coordinative Chain Transfer Polymerization

Patent No. EP2220128 (titled "Process For Preparation Of Polyolefins Via Living Coordinative Chain Transfer Polymerization") was filed by University OF Maryland on Nov 10, 2008. The application was issued on Mar 10, 2021.

Patent Summary

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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
THE DOW CHEMICAL	Jul 20, 2015	VO

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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Feb 11, 2021
Decision to maintain the European patent in amended form
Feb 11, 2021
Decision to maintain the European patent in amended form
Feb 8, 2021
Termination of the opposition proceedings with maintenance of patent
Jan 29, 2021
(Electronic) Receipt
Jan 29, 2021
Clean copy of claims in the opposition procedure
Jan 29, 2021
Filing of the translation of the amended claims
Jan 29, 2021
French translation of claims
Jan 29, 2021
German translation of the claims
Jan 29, 2021
Letter accompanying subsequently filed items
Nov 20, 2020
Communication of bibliographic data
Nov 20, 2020
Communication to opponent concerning maintenance
Nov 20, 2020
Communication with request to file translations
Nov 13, 2020
Refund of fees
Nov 11, 2020
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Nov 11, 2020
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Nov 11, 2020
Maintenance of the patent with the documents specified in the final decision
Nov 5, 2020
(Electronic) Receipt
Nov 5, 2020
Advice of delivery
Nov 5, 2020
Letter accompanying subsequently filed items
Nov 4, 2020
Advice of delivery
Oct 29, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Oct 29, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Oct 27, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 27, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 26, 2020
F3014 Oral Proceedings: Order cancelling/postponing
Oct 23, 2020
F3345 Forwarding of submissions to parties
Oct 22, 2020
(Electronic) Receipt
Oct 22, 2020
Letter accompanying subsequently filed items
Oct 22, 2020
Letter accompanying subsequently filed items
Oct 22, 2020
Withdrawal of an appeal
Oct 20, 2020
(Electronic) Receipt
Oct 20, 2020
Letter accompanying subsequently filed items
Oct 20, 2020
Letter dealing with oral proceedings during the appeal procedure
Jun 16, 2020
Advice of delivery
Jun 12, 2020
Advice of delivery
Jun 8, 2020
F3011.1 Oral Proceedings: summons
Jun 8, 2020
F3011.1 Oral Proceedings: summons
Jun 3, 2020
F3010 Oral proceedings: order for summons
Oct 11, 2018
F3345 Forwarding of submissions to parties
Oct 5, 2018
(Electronic) Receipt
Oct 5, 2018
Letter accompanying subsequently filed items
Oct 5, 2018
Reply to appeal
Sep 19, 2018
Composition of the board (T)
May 28, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 21, 2018
(Electronic) Receipt
May 21, 2018
Annexes (other than cited documents) regarding appeal procedure
May 21, 2018
Cited document during appeal procedure
May 21, 2018
Cited document during appeal procedure
May 21, 2018
Claims
May 21, 2018
Claims
May 21, 2018
Claims
May 21, 2018
Claims
May 21, 2018
Letter accompanying subsequently filed items
May 21, 2018
Statement of grounds of appeal
Apr 5, 2018
F3204 Communication of the file number to the parties
Apr 5, 2018
F3204 Communication of the file number to the parties
Mar 20, 2018
(Electronic) Receipt
Mar 20, 2018
Letter accompanying subsequently filed items
Mar 20, 2018
Notice of appeal
Mar 20, 2018
Notice of appeal
Feb 26, 2018
Refund of fees
Jan 10, 2018
Acknowledgement of a document
Jan 10, 2018
Acknowledgement of a document
Jan 10, 2018
Annex to the communication - opposition
Jan 10, 2018
Decision of the Opposition Division and instruction
Jan 10, 2018
Grounds for the decision (Annex) - opposition
Jan 10, 2018
Interlocutory decision in opposition proceedings
Jan 10, 2018
Internal form - Opposition/addressees
Jan 10, 2018
Internal form - Opposition/addressees
Jan 10, 2018
Means of redress
Jan 10, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 10, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 10, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 10, 2018
OPPODREX with handwritten amendments
Jan 10, 2018
Provision of a copy of the minutes - opposition procedure
Jan 10, 2018
Scanned annex to a communication - opposition procedure
Jan 10, 2018
Scanned annex to a communication - opposition procedure
Dec 5, 2017
Information about the result of oral proceedings
Nov 30, 2017
Brief communication - Opposition proceedings
Nov 28, 2017
Letter regarding the opposition procedure (no time limit)
Oct 17, 2017
Brief communication - Opposition proceedings
Oct 5, 2017
Any annexes (other than citation) to an opposition letter
Oct 5, 2017
Any annexes (other than citation) to an opposition letter
Oct 5, 2017
Auxiliary request during Opposition procedure
Oct 5, 2017
Auxiliary request during Opposition procedure
Oct 5, 2017
Auxiliary request during Opposition procedure
Oct 5, 2017
Auxiliary request during Opposition procedure
Oct 5, 2017
Letter regarding the opposition procedure (no time limit)
Oct 5, 2017
Non-patent literature cited during the opposition procedure
Oct 5, 2017
Non-patent literature cited during the opposition procedure
Jul 28, 2017
Brief communication - Opposition proceedings
Jul 24, 2017
Letter regarding the opposition procedure (no time limit)
Jul 24, 2017
Non-patent literature cited during the opposition procedure
Jul 24, 2017
Non-patent literature cited during the opposition procedure
Jul 24, 2017
Non-patent literature cited during the opposition procedure
Jul 24, 2017
Patent document cited during the opposition procedure
Jan 10, 2017
Advice of delivery
Dec 15, 2016
Advice of delivery
Dec 9, 2016
Advice of delivery
Dec 7, 2016
Advice of delivery
Dec 6, 2016
Acknowledgement of a document
Dec 6, 2016
Acknowledgement of a document
Dec 6, 2016
Annex to the communication - opposition
Dec 6, 2016
Preparation for oral proceedings
Dec 6, 2016
Summons to attend oral proceedings
Dec 6, 2016
Summons to attend oral proceedings
May 18, 2016
Brief communication - Opposition proceedings
May 5, 2016
Auxiliary request during Opposition procedure
May 5, 2016
Auxiliary request during Opposition procedure
May 5, 2016
Non-patent literature cited during the opposition procedure
May 5, 2016
Non-patent literature cited during the opposition procedure
May 5, 2016
Non-patent literature cited during the opposition procedure
May 5, 2016
Reply of the patent proprietor to the notice(s) of opposition
May 5, 2016
Reply of the patent proprietor to the notice(s) of opposition
Apr 14, 2016
Communication concerning statement of surrender/lapse of patent
Mar 9, 2016
Rejection of request for extension of time limit
Mar 3, 2016
Request for extension of time limit
Jan 5, 2016
Grant of extension of time limit (opposition procedure)
Dec 22, 2015
Request for extension of time limit
Oct 15, 2015
Brief communication - Opposition proceedings
Oct 15, 2015
Communication of amended entries
Sep 29, 2015
Request for change of opponent's representative
Aug 28, 2015
Communication of a notice of opposition and request to file observations
Aug 28, 2015
Notice of further oppositions to opponent(s)
Aug 14, 2015
Submission concerning change of applicant's address
Aug 10, 2015
Brief communication - Opposition proceedings
Aug 3, 2015
Letter regarding the opposition procedure (no time limit)
Jul 30, 2015
Communication of a notice of opposition - first information to patent proprietor
Jul 22, 2015
Any annexes (other than citation) to an opposition letter
Jul 22, 2015
Letter regarding the opposition procedure (no time limit)
Jul 21, 2015
Non-patent literature cited during the opposition procedure
Jul 21, 2015
Non-patent literature cited during the opposition procedure
Jul 21, 2015
Non-patent literature cited during the opposition procedure
Jul 21, 2015
Non-patent literature cited during the opposition procedure
Jul 21, 2015
Non-patent literature cited during the opposition procedure
Jul 21, 2015
Non-patent literature cited during the opposition procedure
Jul 21, 2015
Non-patent literature cited during the opposition procedure
Jul 21, 2015
Non-patent literature cited during the opposition procedure
Jul 21, 2015
Non-patent literature cited during the opposition procedure
Jul 21, 2015
Notice of opposition
Jul 21, 2015
Notice of opposition
Jul 21, 2015
Patent document cited during the opposition procedure
Jul 21, 2015
Payment of fees and costs
Jul 21, 2015
Request for grant of a European patent
Jul 20, 2015
Cover sheet for fax transmission
Jul 20, 2015
Notice of opposition
Jul 20, 2015
Notice of opposition
Jul 20, 2015
Payment of fees and costs
Jul 20, 2015
Payment of fees and costs
Oct 22, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 25, 2014
Decision to grant a European patent
Apr 30, 2014
Notice on debiting of fees
Apr 23, 2014
(Electronic) Receipt
Apr 23, 2014
Filing of the translations of the claims
Apr 23, 2014
Letter accompanying subsequently filed items
Apr 22, 2014
Bibliographic data of the European patent application
Apr 22, 2014
Communication about intention to grant a European patent
Apr 22, 2014
Intention to grant (signatures)
Apr 22, 2014
Text intended for grant
Apr 14, 2014
Communication of the registration of a transfer or change of name and/or address
Apr 4, 2014
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Apr 3, 2014
Submission concerning representation
Mar 31, 2014
(Electronic) Receipt
Mar 31, 2014
Amended claims with annotations
Mar 31, 2014
Claims
Mar 31, 2014
French translation of claims
Mar 31, 2014
German translation of the claims
Mar 31, 2014
Letter accompanying subsequently filed items
Mar 31, 2014
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Feb 5, 2014
(Electronic) Receipt
Feb 5, 2014
Letter accompanying subsequently filed items
Feb 5, 2014
Submission concerning change of applicant's address
Jan 3, 2014
Bibliographic data of the European patent application
Jan 3, 2014
Communication about intention to grant a European patent
Jan 3, 2014
Intention to grant (signatures)
Jan 3, 2014
Text intended for grant
Nov 26, 2013
(Electronic) Receipt
Nov 26, 2013
Amended claims with annotations
Nov 26, 2013
Annex
Nov 26, 2013
Claims
Nov 26, 2013
Description
Nov 26, 2013
Drawings
Nov 26, 2013
Letter accompanying subsequently filed items
Nov 26, 2013
Reply to communication from the Examining Division
Jul 25, 2013
Annex to the communication
Jul 25, 2013
Communication from the Examining Division
Jul 3, 2013
(Electronic) Receipt
Jul 3, 2013
Amended claims with annotations
Jul 3, 2013
Claims
Jul 3, 2013
Letter accompanying subsequently filed items
Jul 3, 2013
Reply to communication from the Examining Division
May 2, 2013
Annex to the communication
May 2, 2013
Consultation by telephone/in person (with time limit)
May 2, 2013
Result of consultation by telephone/in person
Feb 18, 2013
Communication of amended entries concerning the representative
Feb 5, 2013
Submission concerning change of applicant's representative
May 25, 2012
(Electronic) Receipt
May 25, 2012
Amended claims with annotations
May 25, 2012
Claims
May 25, 2012
Description
May 25, 2012
Letter accompanying subsequently filed items
May 25, 2012
Reply to communication from the Examining Division
Mar 16, 2012
Grant of extension of time limit (examination procedure)
Mar 12, 2012
(Electronic) Receipt
Mar 12, 2012
Letter accompanying subsequently filed items
Mar 12, 2012
Request for extension of time limit to communication from the Examining Division
Feb 15, 2012
CDS Clean up - amended data concerning the representative for the applicant
Feb 8, 2012
Submission concerning representation
Nov 15, 2011
Annex to the communication
Nov 15, 2011
Communication from the Examining Division
Oct 5, 2011
Application deemed to be withdrawn (non-reply to Written Opinion)
Oct 4, 2011
(Electronic) Receipt
Oct 4, 2011
Amended claims filed after receipt of (European) search report
Oct 4, 2011
Amended claims with annotations
Oct 4, 2011
Amended description filed after receipt of (European) search report
Oct 4, 2011
Amendments received before examination
Oct 4, 2011
Letter accompanying subsequently filed items
Apr 4, 2011
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Mar 16, 2011
Communication regarding the transmission of the European search report
Mar 16, 2011
European search opinion
Mar 16, 2011
Supplementary European search report
Jul 28, 2010
Notification on forthcoming publication of bibliographic data
Jun 29, 2010
Communication regarding possible amendment of the application/payment of claims fee
Jun 9, 2010
(Electronic) Receipt
Jun 9, 2010
Amended claims filed after receipt of (European) search report
Jun 9, 2010
Matter concerning the application
Jun 9, 2010
Request for entry into the European phase
Jun 9, 2010
Submission concerning representation
May 28, 2010
Copy of the international preliminary report on patentability
Mar 19, 2010
Information on entry into European phase
Jun 2, 2009
Priority document (electronically transmitted)
May 14, 2009
Copy of the international search report
May 14, 2009
Published international application - A1

EP2220128

UNIVERSITY OF MARYLAND

Application Number: EP08847706A
Filing Date: Nov 10, 2008
Status: Patent Maintained As Amended; Feb 5, 2021
Publication Date: Mar 10, 2021
External Links: Slate, Register , Google Patents