Solid Polymethylaluminoxane Composition And Process For Producing Same

Patent No. EP2360191 (titled "Solid Polymethylaluminoxane Composition And Process For Producing Same") was filed by Tosoh Finechem on Nov 11, 2009. The application was issued on Jan 22, 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
SLINGSBY	Dec 28, 2017	SLINGSBY PARTNERS

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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Jan 8, 2020
Decision to maintain the European patent in amended form
Jan 8, 2020
Decision to maintain the European patent in amended form
Dec 20, 2019
Termination of the opposition proceedings with maintenance of patent
Dec 4, 2019
(Electronic) Receipt
Dec 4, 2019
Clean copy of description pages in the opposition procedure
Dec 4, 2019
Filing of the translation of the amended claims
Dec 4, 2019
French translation of claims
Dec 4, 2019
German translation of the claims
Dec 4, 2019
Letter accompanying subsequently filed items
Sep 13, 2019
Communication of bibliographic data
Sep 13, 2019
Communication to opponent concerning maintenance
Sep 13, 2019
Communication with request to file translations
Sep 5, 2019
Maintenance of the patent with the documents specified in the final decision
Jun 7, 2019
Advice of delivery
May 28, 2019
Advice of delivery
May 22, 2019
Acknowledgement of a document
May 22, 2019
Acknowledgement of a document
May 22, 2019
Annex to the communication - opposition
May 22, 2019
Decision of the Opposition Division and instruction
May 22, 2019
Grounds for the decision (Annex) - opposition
May 22, 2019
Interlocutory decision in opposition proceedings
May 22, 2019
Internal form - Opposition/addressees
May 22, 2019
Internal form - Opposition/addressees
May 22, 2019
Means of redress
May 22, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 22, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 22, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 22, 2019
OPPODREX with handwritten amendments
May 22, 2019
Provision of a copy of the minutes - opposition procedure
May 22, 2019
Scanned annex to a communication - opposition procedure
Apr 5, 2019
Information about the result of oral proceedings
Feb 15, 2019
Brief communication - Opposition proceedings
Feb 11, 2019
(Electronic) Receipt
Feb 11, 2019
Brief communication - Opposition proceedings
Feb 11, 2019
Brief communication - Opposition proceedings
Feb 11, 2019
Letter accompanying subsequently filed items
Feb 11, 2019
Written submission in preparation to/during oral proceedings
Feb 5, 2019
(Electronic) Receipt
Feb 5, 2019
(Electronic) Receipt
Feb 5, 2019
Amended claims with annotations
Feb 5, 2019
Amended claims with annotations
Feb 5, 2019
Amended claims with annotations
Feb 5, 2019
Amended claims with annotations
Feb 5, 2019
Amended claims with annotations
Feb 5, 2019
Amended claims with annotations
Feb 5, 2019
Amended claims with annotations
Feb 5, 2019
Amended claims with annotations
Feb 5, 2019
Amended claims with annotations
Feb 5, 2019
Amended claims with annotations
Feb 5, 2019
Amended claims with annotations
Feb 5, 2019
Amended claims with annotations
Feb 5, 2019
Amended claims with annotations
Feb 5, 2019
Claims
Feb 5, 2019
Claims
Feb 5, 2019
Claims
Feb 5, 2019
Claims
Feb 5, 2019
Claims
Feb 5, 2019
Claims
Feb 5, 2019
Claims
Feb 5, 2019
Claims
Feb 5, 2019
Claims
Feb 5, 2019
Claims
Feb 5, 2019
Claims
Feb 5, 2019
Claims
Feb 5, 2019
Claims
Feb 5, 2019
Letter accompanying subsequently filed items
Feb 5, 2019
Letter accompanying subsequently filed items
Feb 5, 2019
Written submission in preparation to/during oral proceedings
Feb 5, 2019
Written submission in preparation to/during oral proceedings
Feb 5, 2019
Written submission in preparation to/during oral proceedings
Oct 4, 2018
Advice of delivery
Sep 19, 2018
Advice of delivery
Sep 14, 2018
Advice of delivery
Sep 10, 2018
Acknowledgement of a document
Sep 10, 2018
Acknowledgement of a document
Sep 10, 2018
Annex to the communication - opposition
Sep 10, 2018
Information concerning oral proceedings
Sep 10, 2018
Preparation for oral proceedings
Sep 10, 2018
Summons to attend oral proceedings
Sep 10, 2018
Summons to attend oral proceedings
Jun 1, 2018
Brief communication - Opposition proceedings
May 25, 2018
(Electronic) Receipt
May 25, 2018
Amended claims with annotations
May 25, 2018
Amended claims with annotations
May 25, 2018
Amended claims with annotations
May 25, 2018
Amended claims with annotations
May 25, 2018
Amended claims with annotations
May 25, 2018
Amended claims with annotations
May 25, 2018
Amended claims with annotations
May 25, 2018
Amended claims with annotations
May 25, 2018
Amended claims with annotations
May 25, 2018
Citation in opposition procedure
May 25, 2018
Claims
May 25, 2018
Claims
May 25, 2018
Claims
May 25, 2018
Claims
May 25, 2018
Claims
May 25, 2018
Claims
May 25, 2018
Claims
May 25, 2018
Claims
May 25, 2018
Claims
May 25, 2018
Letter accompanying subsequently filed items
May 25, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jan 16, 2018
Communication of a notice of opposition and request to file observations
Jan 16, 2018
Notice of further oppositions to opponent(s)
Jan 9, 2018
Communication of a notice of opposition - first information to patent proprietor
Dec 28, 2017
(Electronic) Receipt
Dec 28, 2017
Non-patent literature cited during the opposition procedure
Dec 28, 2017
Notice of opposition
Dec 28, 2017
Notice of opposition
Dec 28, 2017
Patent document cited during the opposition procedure
Dec 28, 2017
Patent document cited during the opposition procedure
Dec 28, 2017
Patent document cited during the opposition procedure
Dec 28, 2017
Patent document cited during the opposition procedure
Dec 28, 2017
Patent document cited during the opposition procedure
Dec 28, 2017
Patent document cited during the opposition procedure
Mar 29, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 2, 2017
Decision to grant a European patent
Feb 16, 2017
(Electronic) Receipt
Feb 16, 2017
Filing of the translations of the claims
Feb 16, 2017
French translation of claims
Feb 16, 2017
German translation of the claims
Nov 30, 2016
Communication concerning corrected entries of the applicant
Nov 22, 2016
(Electronic) Receipt
Nov 22, 2016
Letter accompanying subsequently filed items
Nov 22, 2016
Submission concerning change of applicant's name
Oct 18, 2016
Bibliographic data of the European patent application
Oct 18, 2016
Communication about intention to grant a European patent
Oct 18, 2016
Intention to grant (signatures)
Oct 18, 2016
Text intended for grant (clean copy)
Oct 18, 2016
Text intended for grant (version for approval)
Sep 27, 2016
Examination started
Sep 16, 2014
(Electronic) Receipt
Sep 16, 2014
Amended claims filed after receipt of (European) search report
Sep 16, 2014
Amended claims with annotations
Sep 16, 2014
Amendments received before examination
Sep 16, 2014
Letter accompanying subsequently filed items
Mar 7, 2014
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Feb 18, 2014
Communication regarding the transmission of the European search report
Feb 18, 2014
European search opinion
Feb 18, 2014
Supplementary European search report
Feb 3, 2014
Search started
Sep 2, 2013
Communication of expected date of establishment of search report
Aug 26, 2013
Enquiry as to when the search report can be expected
Jul 27, 2011
Notification of forthcoming publication
Jul 5, 2011
Translation of the international preliminary report on patentability
Jun 29, 2011
Communication regarding possible amendment of the application/payment of claims fee
Jun 29, 2011
Refund of fees
Jun 9, 2011
(Electronic) Receipt
Jun 9, 2011
Abstract
Jun 9, 2011
Amended description filed after receipt of (European) search report
Jun 9, 2011
Amended description with annotations
Jun 9, 2011
Amended description with annotations
Jun 9, 2011
Amended description with annotations
Jun 9, 2011
Amendments received before examination
Jun 9, 2011
Claims
Jun 9, 2011
Description
Jun 9, 2011
Drawings
Jun 9, 2011
Request for entry into the European phase
Jun 6, 2011
Copy of the international preliminary report on patentability
Mar 25, 2011
Information on entry into European phase
Dec 27, 2010
Notification of the recording of a change
Dec 27, 2010
Notification of the recording of a change
Jun 10, 2010
Priority document (electronically transmitted)
May 20, 2010
Copy of the international search report
May 20, 2010
Copy of the translated international search report
May 20, 2010
International publication pamphlet

EP2360191

TOSOH FINECHEM

Application Number: EP09825906A
Filing Date: Nov 11, 2009
Status: Patent Maintained As Amended; Dec 20, 2019
Publication Date: Jan 22, 2020
External Links: Slate, Register , Google Patents

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Solid Polymethylaluminoxane Composition And Process For Producing Same

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Dossier Documents

EP2360191