Isomerization Of Sugars

Patent No. EP2526109 (titled "Isomerization Of Sugars") was filed by California Institute OF Technology on Jan 14, 2011. The application was issued on Apr 17, 2019.

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
D YOUNG	Feb 2, 2017	D YOUNG

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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Mar 21, 2019
Decision to maintain the European patent in amended form
Mar 21, 2019
Decision to maintain the European patent in amended form
Mar 15, 2019
Termination of the opposition proceedings with maintenance of patent
Mar 6, 2019
(Electronic) Receipt
Mar 6, 2019
Filing of the translation of the amended claims
Mar 6, 2019
French translation of claims
Mar 6, 2019
German translation of the claims
Mar 6, 2019
Letter accompanying subsequently filed items
Dec 12, 2018
Communication to opponent concerning maintenance
Dec 12, 2018
Communication with request to file translations
Dec 6, 2018
Maintenance of the patent with the documents specified in the final decision
Sep 10, 2018
Advice of delivery
Aug 22, 2018
Advice of delivery
Aug 22, 2018
Advice of delivery
Aug 16, 2018
Annex to the communication - opposition
Aug 16, 2018
Decision of the Opposition Division and instruction
Aug 16, 2018
Druckexemplar in opposition procedure
Aug 16, 2018
Grounds for the decision (Annex) - opposition
Aug 16, 2018
Interlocutory decision in opposition proceedings
Aug 16, 2018
Internal form - Opposition/addressees
Aug 16, 2018
Internal form - Opposition/addressees
Aug 16, 2018
Means of redress
Aug 16, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 16, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 16, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 16, 2018
Provision of a copy of the minutes - opposition procedure
Aug 16, 2018
Scanned annex to a communication - opposition procedure
Aug 16, 2018
Scanned annex to a communication - opposition procedure
Jun 25, 2018
Brief communication - Opposition proceedings
Jun 25, 2018
Information about the result of oral proceedings
Jun 21, 2018
Brief communication - Opposition proceedings
Jun 21, 2018
Brief communication - Opposition proceedings
Jun 19, 2018
(Electronic) Receipt
Jun 19, 2018
Brief communication - Opposition proceedings
Jun 19, 2018
Letter accompanying subsequently filed items
Jun 19, 2018
Non-patent literature cited during the opposition procedure
Jun 19, 2018
Written submission in preparation to/during oral proceedings
Jun 15, 2018
(Electronic) Receipt
Jun 15, 2018
Citation in opposition procedure
Jun 15, 2018
Letter accompanying subsequently filed items
Jun 15, 2018
Non-patent literature cited during the opposition procedure
Jun 15, 2018
Written submission in preparation to/during oral proceedings
May 3, 2018
Brief communication - Opposition proceedings
May 2, 2018
Brief communication - Opposition proceedings
Apr 25, 2018
(Electronic) Receipt
Apr 25, 2018
(Electronic) Receipt
Apr 25, 2018
Amended claims with annotations
Apr 25, 2018
Amended claims with annotations
Apr 25, 2018
Amended claims with annotations
Apr 25, 2018
Amended claims with annotations
Apr 25, 2018
Citation in opposition procedure
Apr 25, 2018
Citation in opposition procedure
Apr 25, 2018
Claims
Apr 25, 2018
Claims
Apr 25, 2018
Claims
Apr 25, 2018
Claims
Apr 25, 2018
Letter accompanying subsequently filed items
Apr 25, 2018
Letter accompanying subsequently filed items
Apr 25, 2018
Written submission in preparation to/during oral proceedings
Apr 25, 2018
Written submission in preparation to/during oral proceedings
Apr 18, 2018
Brief communication - Opposition proceedings
Apr 12, 2018
(Electronic) Receipt
Apr 12, 2018
Letter accompanying subsequently filed items
Apr 12, 2018
Request for interpreters during oral proceedings
Nov 27, 2017
Advice of delivery
Nov 24, 2017
Advice of delivery
Nov 23, 2017
Advice of delivery
Nov 14, 2017
Annex to the communication - opposition
Nov 14, 2017
Information concerning oral proceedings
Nov 14, 2017
Preparation for oral proceedings
Nov 14, 2017
Summons to attend oral proceedings
Nov 14, 2017
Summons to attend oral proceedings
Oct 24, 2017
Submission concerning representation
Sep 20, 2017
Communication of amended entries concerning the representative
Sep 7, 2017
Submission concerning change of applicant's representative
Jul 27, 2017
Brief communication - Opposition proceedings
Jul 20, 2017
(Electronic) Receipt
Jul 20, 2017
Amended claims with annotations
Jul 20, 2017
Amended claims with annotations
Jul 20, 2017
Any annexes (other than citation) to an opposition letter
Jul 20, 2017
Citation in opposition procedure
Jul 20, 2017
Citation in opposition procedure
Jul 20, 2017
Citation in opposition procedure
Jul 20, 2017
Citation in opposition procedure
Jul 20, 2017
Claims
Jul 20, 2017
Claims
Jul 20, 2017
Letter accompanying subsequently filed items
Jul 20, 2017
Reply of the patent proprietor to the notice(s) of opposition
Jul 14, 2017
Brief communication - Opposition proceedings
Jul 14, 2017
Rejection of request for extension of time limit
Jul 12, 2017
Brief communication - Opposition proceedings
Jul 10, 2017
(Electronic) Receipt
Jul 10, 2017
Request for extension of time limit
Jul 6, 2017
(Electronic) Receipt
Jul 6, 2017
Letter accompanying subsequently filed items
Jul 6, 2017
Letter regarding the opposition procedure (no time limit)
Mar 10, 2017
Communication of a notice of opposition and request to file observations
Mar 10, 2017
Notice of further oppositions to opponent(s)
Feb 7, 2017
Communication of a notice of opposition - first information to patent proprietor
Feb 2, 2017
(Electronic) Receipt
Feb 2, 2017
Citation in opposition procedure
Feb 2, 2017
Citation in opposition procedure
Feb 2, 2017
Citation in opposition procedure
Feb 2, 2017
Non-patent literature cited during the opposition procedure
Feb 2, 2017
Non-patent literature cited during the opposition procedure
Feb 2, 2017
Non-patent literature cited during the opposition procedure
Feb 2, 2017
Non-patent literature cited during the opposition procedure
Feb 2, 2017
Non-patent literature cited during the opposition procedure
Feb 2, 2017
Notice of opposition
Feb 2, 2017
Notice of opposition
Feb 2, 2017
Patent document cited during the opposition procedure
Feb 2, 2017
Patent document cited during the opposition procedure
Feb 2, 2017
Patent document cited during the opposition procedure
Feb 2, 2017
Patent document cited during the opposition procedure
Feb 2, 2017
Patent document cited during the opposition procedure
Feb 2, 2017
Patent document cited during the opposition procedure
Feb 2, 2017
Patent document cited during the opposition procedure
Feb 2, 2017
Patent document cited during the opposition procedure
Feb 2, 2017
Translation of the evidence during Opposition procedure
Feb 2, 2017
Translation of the evidence during Opposition procedure
May 4, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 7, 2016
Decision to grant a European patent
Mar 18, 2016
Bibliographic data of the European patent application
Mar 18, 2016
Information about intention to grant a patent
Mar 18, 2016
Intention to grant (signatures)
Mar 18, 2016
Text intended for grant (clean copy)
Mar 18, 2016
Text intended for grant (version for approval)
Mar 14, 2016
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 11, 2016
Communication concerning corrected entries of the applicant
Mar 3, 2016
(Electronic) Receipt
Mar 3, 2016
Amended claims with annotations
Mar 3, 2016
Claims
Mar 3, 2016
French translation of claims
Mar 3, 2016
German translation of the claims
Mar 3, 2016
Letter accompanying subsequently filed items
Mar 3, 2016
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Feb 22, 2016
CDS Clean up - amended applicant details
Nov 4, 2015
Bibliographic data of the European patent application
Nov 4, 2015
Communication about intention to grant a European patent
Nov 4, 2015
Intention to grant (signatures)
Nov 4, 2015
Text intended for grant (clean copy)
Nov 4, 2015
Text intended for grant (version for approval)
Sep 24, 2015
(Electronic) Receipt
Sep 24, 2015
Amended claims with annotations
Sep 24, 2015
Amended description with annotations
Sep 24, 2015
Claims
Sep 24, 2015
Description
Sep 24, 2015
Letter accompanying subsequently filed items
Sep 24, 2015
Reply to communication from the Examining Division
Jun 25, 2015
Annex to the communication
Jun 25, 2015
Communication from the Examining Division
Mar 6, 2015
Notice drawing attention to the payment of the renewal fee and additional fee
Jul 29, 2014
(Electronic) Receipt
Jul 29, 2014
Amended claims with annotations
Jul 29, 2014
Claims
Jul 29, 2014
Letter accompanying subsequently filed items
Jul 29, 2014
Reply to communication from the Examining Division
May 26, 2014
Grant of extension of time limit (examination procedure)
May 21, 2014
(Electronic) Receipt
May 21, 2014
Letter accompanying subsequently filed items
May 21, 2014
Request for extension of time limit to communication from the Examining Division
Jan 27, 2014
Annex to the communication
Jan 27, 2014
Communication from the Examining Division
Jan 22, 2014
Examination started
Dec 11, 2013
(Electronic) Receipt
Dec 11, 2013
Amended claims filed after receipt of (European) search report
Dec 11, 2013
Amended claims with annotations
Dec 11, 2013
Amended description filed after receipt of (European) search report
Dec 11, 2013
Amendments received before examination
Dec 11, 2013
Letter accompanying subsequently filed items
Jun 18, 2013
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
May 31, 2013
Communication regarding the transmission of the European search report
May 31, 2013
European search opinion
May 31, 2013
Supplementary European search report
Oct 31, 2012
Notification on forthcoming publication of bibliographic data
Oct 1, 2012
Letter which had not been notified
Sep 4, 2012
Communication regarding possible amendment of the application/payment of claims fee
Aug 29, 2012
Communication to designated inventor
Aug 29, 2012
Communication to designated inventor
Aug 29, 2012
Communication to designated inventor
Aug 29, 2012
Communication to designated inventor
Aug 2, 2012
(Electronic) Receipt
Aug 2, 2012
Amended claims filed after receipt of (European) search report
Aug 2, 2012
Request for entry into the European phase
Aug 1, 2012
Copy of the international preliminary report on patentability
Jul 24, 2012
Reminder for payment period (examination fee/designation fees)
Jul 19, 2012
Copy of the international search report
Jul 19, 2012
International publication of the international search report
May 18, 2012
Priority document (electronically transmitted)
May 9, 2012
Priority document (electronically transmitted)
May 9, 2012
Priority document (electronically transmitted)
May 9, 2012
Priority document (electronically transmitted)
Apr 19, 2012
Published international application - A2

EP2526109

CALIFORNIA INSTITUTE OF TECHNOLOGY

Application Number: EP11832883A
Filing Date: Jan 14, 2011
Status: Patent Maintained As Amended; Mar 15, 2019
Publication Date: Apr 17, 2019
External Links: Slate, Register , Google Patents

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Isomerization Of Sugars

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Dossier Documents

EP2526109