Thiolated Chitosan Gel

Patent No. EP2313104 (titled "Thiolated Chitosan Gel") was filed by Medtronic on Apr 23, 2009. The application was issued on Aug 26, 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
CROMA PHARMA GESELLSCHAFT	Aug 1, 2018	SCHWARZ & PARTNER PATENTANWALTE

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 30, 2020
Decision to maintain the European patent in amended form
Jul 30, 2020
Decision to maintain the European patent in amended form
Jul 24, 2020
Termination of the opposition proceedings with maintenance of patent
Jun 19, 2020
(Electronic) Receipt
Jun 19, 2020
Filing of the translation of the amended claims
Jun 19, 2020
French translation of claims
Jun 19, 2020
German translation of the claims
Apr 15, 2020
Communication to opponent concerning maintenance
Apr 15, 2020
Communication with request to file translations
Apr 3, 2020
Maintenance of the patent with the documents specified in the final decision
Dec 30, 2019
Advice of delivery
Dec 26, 2019
Advice of delivery
Dec 20, 2019
Acknowledgement of a document
Dec 20, 2019
Acknowledgement of a document
Dec 20, 2019
Annex to the communication - opposition
Dec 20, 2019
Decision of the Opposition Division and instruction
Dec 20, 2019
Druckexemplar in opposition procedure
Dec 20, 2019
Grounds for the decision (Annex) - opposition
Dec 20, 2019
Interlocutory decision in opposition proceedings
Dec 20, 2019
Internal form - Opposition/addressees
Dec 20, 2019
Internal form - Opposition/addressees
Dec 20, 2019
Means of redress
Dec 20, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 20, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 20, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 20, 2019
Provision of a copy of the minutes - opposition procedure
Dec 20, 2019
Scanned annex to a communication - opposition procedure
Nov 18, 2019
Information about the result of oral proceedings
Nov 13, 2019
Notification concerning the date of oral proceedings
Nov 13, 2019
Notification concerning the date of oral proceedings
Nov 6, 2019
Notification concerning the date of oral proceedings
Nov 6, 2019
Notification concerning the date of oral proceedings
Oct 25, 2019
Brief communication - Opposition proceedings
Oct 22, 2019
(Electronic) Receipt
Oct 22, 2019
Letter accompanying subsequently filed items
Oct 22, 2019
Withdrawal of a request for oral proceedings
Oct 4, 2019
Brief communication - Opposition proceedings
Oct 1, 2019
Brief communication - Opposition proceedings
Sep 30, 2019
Brief communication - Opposition proceedings
Sep 27, 2019
(Electronic) Receipt
Sep 27, 2019
Letter accompanying subsequently filed items
Sep 27, 2019
Request for interpreters during oral proceedings
Sep 25, 2019
Brief communication - Opposition proceedings
Sep 25, 2019
Letter which had not been notified
Sep 20, 2019
Brief communication - Opposition proceedings
Sep 18, 2019
Consolidated list of cited opposition documents
Sep 17, 2019
(Electronic) Receipt
Sep 17, 2019
Amended claims with annotations
Sep 17, 2019
Amended claims with annotations
Sep 17, 2019
Amended claims with annotations
Sep 17, 2019
Citation in opposition procedure - 004
Sep 17, 2019
Citation in opposition procedure - 005
Sep 17, 2019
Citation in opposition procedure - 006
Sep 17, 2019
Citation in opposition procedure - 007
Sep 17, 2019
Citation in opposition procedure - 008
Sep 17, 2019
Citation in opposition procedure - 009
Sep 17, 2019
Claims
Sep 17, 2019
Claims
Sep 17, 2019
Claims
Sep 17, 2019
Letter accompanying subsequently filed items
Sep 17, 2019
Written submission in preparation to/during oral proceedings
Apr 24, 2019
Advice of delivery
Apr 17, 2019
Advice of delivery
Apr 16, 2019
Advice of delivery
Apr 15, 2019
Advice of delivery
Apr 11, 2019
Acknowledgement of a document
Apr 11, 2019
Acknowledgement of a document
Apr 11, 2019
Annex to the communication - opposition
Apr 11, 2019
Any annexes (other than citation) to an opposition letter
Apr 11, 2019
Information concerning oral proceedings
Apr 11, 2019
Summons to attend oral proceedings
Apr 11, 2019
Summons to attend oral proceedings
Jan 9, 2019
Brief communication - Opposition proceedings
Dec 24, 2018
(Electronic) Receipt
Dec 24, 2018
Letter accompanying subsequently filed items
Dec 24, 2018
Reply of the patent proprietor to the notice(s) of opposition
Aug 29, 2018
Communication confirming withdrawal from representation
Aug 29, 2018
Communication of amended entries concerning the representative
Aug 24, 2018
(Electronic) Receipt
Aug 24, 2018
Letter accompanying subsequently filed items
Aug 24, 2018
Submission concerning change of applicant's representative
Aug 23, 2018
(Electronic) Receipt
Aug 23, 2018
Letter accompanying subsequently filed items
Aug 23, 2018
Submission concerning change of applicant's representative
Aug 17, 2018
Communication of a notice of opposition and request to file observations
Aug 17, 2018
Notice of further oppositions to opponent(s)
Aug 8, 2018
Communication of a notice of opposition - first information to patent proprietor
Aug 1, 2018
(Electronic) Receipt
Aug 1, 2018
Citation in opposition procedure - 001
Aug 1, 2018
Citation in opposition procedure - 002
Aug 1, 2018
Citation in opposition procedure - 003
Aug 1, 2018
Notice of opposition
Aug 1, 2018
Notice of opposition
May 28, 2018
Communication of amended entries concerning the representative
May 17, 2018
Submission concerning change of applicant's representative
Nov 10, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 6, 2017
Decision to grant a European patent
Sep 19, 2017
(Electronic) Receipt
Sep 19, 2017
Filing of the translations of the claims
Sep 19, 2017
French translation of claims
Sep 19, 2017
German translation of the claims
Sep 19, 2017
Letter accompanying subsequently filed items
May 29, 2017
Bibliographic data of the European patent application
May 29, 2017
Communication about intention to grant a European patent
May 29, 2017
Intention to grant (signatures)
May 29, 2017
Text intended for grant (clean copy)
May 29, 2017
Text intended for grant (version for approval)
Mar 17, 2017
Response to enquiry for communication from the Examining Division
Mar 6, 2017
(Electronic) Receipt
Mar 6, 2017
Enquiry as to the processing of the file
Mar 6, 2017
Letter accompanying subsequently filed items
Aug 28, 2015
(Electronic) Receipt
Aug 28, 2015
Letter accompanying subsequently filed items
Aug 28, 2015
Reply to communication from the Examining Division
Aug 26, 2015
Annex
Apr 20, 2015
Annex to the communication
Apr 20, 2015
Brief communication to applicant/representative
Apr 20, 2015
Communication from the Examining Division
Mar 16, 2015
Result of consultation by telephone/in person
Jan 30, 2015
Annex to the communication
Jan 30, 2015
Communication from the Examining Division
Feb 14, 2014
(Electronic) Receipt
Feb 14, 2014
Letter accompanying subsequently filed items
Feb 14, 2014
Reply to communication from the Examining Division
Feb 12, 2014
Grant of extension of time limit (examination procedure)
Feb 6, 2014
(Electronic) Receipt
Feb 6, 2014
Request for extension of time limit to communication from the Examining Division
Sep 26, 2013
Annex to the communication
Sep 26, 2013
Communication from the Examining Division
May 13, 2013
(Electronic) Receipt
May 13, 2013
Claims
May 13, 2013
Letter accompanying subsequently filed items
May 13, 2013
Reply to communication from the Examining Division
Jan 3, 2013
Annex to the communication
Jan 3, 2013
Communication from the Examining Division
Sep 28, 2011
Letter concerning fees and payments
Apr 15, 2011
Amended claims filed after receipt of (European) search report
Apr 15, 2011
Amendments received before examination
Apr 12, 2011
Amendments received before examination
Mar 30, 2011
Matter concerning the application
Mar 30, 2011
Notification on forthcoming publication of bibliographic data
Mar 2, 2011
Communication concerning correction of deficiences in Written Opinion/amendment of application/payment of claims fee
Mar 2, 2011
Communication for party to proceedings/third party
Feb 11, 2011
Application deemed to be withdrawn (non-entry into European phase)
Nov 24, 2010
(Electronic) Receipt
Nov 24, 2010
Request for entry into the European phase
Nov 5, 2010
Annexes to the international preliminary examination report
Nov 5, 2010
Copy of the international preliminary examination report
Sep 3, 2010
Information on entry into European phase
May 28, 2010
Annex
May 28, 2010
International preliminary examination report
May 28, 2010
International preliminary examination report
May 28, 2010
International preliminary examination report
May 28, 2010
International preliminary examination report - free text sheet
May 28, 2010
International preliminary examination report - free text sheet
May 28, 2010
International preliminary examination report - points I-VIII
May 28, 2010
International preliminary examination report - points I-VIII
May 28, 2010
International preliminary examination report - points I-VIII
May 28, 2010
Notification of documents sent to WIPO
May 28, 2010
Transmittal of International Preliminary Examination Report
May 28, 2010
Transmittal of International Preliminary Examination Report
Mar 11, 2010
Amendments of documents (Article 19 PCT)
Mar 2, 2010
Notification of documents sent to WIPO
Mar 2, 2010
Notification of receipt of demand
Feb 24, 2010
Document concerning fees and payments
Feb 24, 2010
PCT demand form
Feb 24, 2010
PCT(IPEA): Amended sheet - description
Nov 19, 2009
Priority document (electronically transmitted)
Nov 19, 2009
Priority document (electronically transmitted)
Oct 29, 2009
Copy of the international search report
Oct 29, 2009
Published international application - A1
Jul 17, 2009
Written opinion of the ISA, boxes No. I to VIII
Jul 17, 2009
Written opinion of the ISA, cover sheet
Jul 17, 2009
Written opinion of the ISA, supplemental box
May 8, 2009
Abstract
May 8, 2009
Claims
May 8, 2009
Description
May 8, 2009
Drawings

EP2313104

MEDTRONIC

Application Number: EP09735511A
Filing Date: Apr 23, 2009
Status: Patent Maintained As Amended; Jul 24, 2020
Publication Date: Aug 26, 2020
External Links: Slate, Register , Google Patents

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Thiolated Chitosan Gel

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Dossier Documents

EP2313104