Process For Production Of Polylactic Acid

Patent No. EP2444442 (titled "Process For Production Of Polylactic Acid") was filed by Musashino Chemical Laboratory on Jun 14, 2010. The application was issued on Oct 21, 2015.

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
UHDE INVENTA-FISCHER GMBH	Jul 19, 2016	PFENNING, MEINIG & PARTNER MBB, ET AL

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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Jul 27, 2017
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 27, 2017
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jul 24, 2017
Termination of the opposition proceedings with revocation of patent
May 8, 2017
Advice of delivery
May 8, 2017
Advice of delivery
Apr 24, 2017
Advice of delivery
Apr 21, 2017
Advice of delivery
Apr 11, 2017
Acknowledgement of a document
Apr 11, 2017
Acknowledgement of a document
Apr 11, 2017
Decision of the Opposition Division and instruction
Apr 11, 2017
Decision revoking the European patent
Apr 11, 2017
Grounds for the decision (Annex) - opposition
Apr 11, 2017
Internal form - Opposition/addressees
Aug 31, 2016
Communication of a notice of opposition and request to file observations
Aug 31, 2016
Notice of further oppositions to opponent(s)
Jul 26, 2016
Communication of a notice of opposition - first information to patent proprietor
Jul 19, 2016
Citation in opposition procedure
Jul 19, 2016
Filing of a new opposition
Jul 19, 2016
Non-patent literature cited during the opposition procedure
Jul 19, 2016
Non-patent literature cited during the opposition procedure
Jul 19, 2016
Notice of opposition
Jul 19, 2016
Patent document cited during the opposition procedure
Jul 19, 2016
Patent document cited during the opposition procedure
Jul 19, 2016
Patent document cited during the opposition procedure
Oct 21, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 24, 2015
Decision to grant a European patent
Sep 14, 2015
(Electronic) Receipt
Sep 14, 2015
Filing of the translations of the claims
Jun 23, 2015
Bibliographic data of the European patent application
Jun 23, 2015
Communication about intention to grant a European patent
Jun 23, 2015
Intention to grant (signatures)
Jun 23, 2015
Text intended for grant
Jun 11, 2015
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
May 26, 2015
(Electronic) Receipt
May 26, 2015
Description
May 26, 2015
Letter accompanying subsequently filed items
May 26, 2015
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
May 12, 2015
Bibliographic data of the European patent application
May 12, 2015
Communication about intention to grant a European patent
May 12, 2015
Intention to grant (signatures)
May 12, 2015
Text intended for grant
Apr 27, 2015
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Apr 7, 2015
(Electronic) Receipt
Apr 7, 2015
Description
Apr 7, 2015
French translation of claims
Apr 7, 2015
German translation of the claims
Apr 7, 2015
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Feb 25, 2015
Submission concerning representation
Feb 25, 2015
Submission concerning representation
Dec 3, 2014
Annex to the communication about intention to grant a European patent
Dec 3, 2014
Bibliographic data of the European patent application
Dec 3, 2014
Communication about intention to grant a European patent
Dec 3, 2014
Intention to grant (signatures)
Dec 3, 2014
Text intended for grant
Oct 28, 2014
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Sep 26, 2014
(Electronic) Receipt
Sep 26, 2014
Amended claims with annotations
Sep 26, 2014
Amended description with annotations
Sep 26, 2014
Annex
Sep 26, 2014
Claims
Sep 26, 2014
Description
Sep 26, 2014
Letter accompanying subsequently filed items
Sep 26, 2014
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jun 5, 2014
Bibliographic data of the European patent application
Jun 5, 2014
Communication about intention to grant a European patent
Jun 5, 2014
Intention to grant (signatures)
Jun 5, 2014
Text intended for grant
Mar 28, 2014
CDS Clean up - amended data concerning the representative of the applicant (Association)
Jan 10, 2014
(Electronic) Receipt
Jan 10, 2014
Amended claims filed after receipt of (European) search report
Jan 10, 2014
Amended claims with annotations
Jan 10, 2014
Amended description filed after receipt of (European) search report
Jan 10, 2014
Amendments received before examination
Jan 10, 2014
Letter accompanying subsequently filed items
Jan 10, 2014
Translation of priority document
Jul 4, 2013
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jun 17, 2013
Communication regarding the transmission of the European search report
Jun 17, 2013
European search opinion
Jun 17, 2013
Supplementary European search report
Mar 30, 2012
Annex
Mar 30, 2012
Matter concerning the application
Mar 28, 2012
Notification of forthcoming publication
Feb 1, 2012
Translation of the international preliminary report on patentability
Jan 27, 2012
Communication regarding possible amendment of the application/payment of claims fee
Jan 11, 2012
Copy of the international preliminary report on patentability
Dec 7, 2011
(Electronic) Receipt
Dec 7, 2011
Abstract
Dec 7, 2011
Amended description filed after receipt of (European) search report
Dec 7, 2011
Claims
Dec 7, 2011
Description
Dec 7, 2011
Drawings
Dec 7, 2011
Request for entry into the European phase
Oct 28, 2011
Information on entry into European phase
Jan 14, 2011
Priority document (electronically transmitted)
Dec 23, 2010
Copy of the international search report
Dec 23, 2010
Copy of the translated international search report
Dec 23, 2010
International publication pamphlet

EP2444442

MUSASHINO CHEMICAL LABORATORY

Application Number: EP10789463A
Filing Date: Jun 14, 2010
Status: Revoked; Apr 15, 2019
Publication Date: Oct 21, 2015
External Links: Slate, Register , Google Patents

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Process For Production Of Polylactic Acid

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Dossier Documents

EP2444442