Carboxyalkyl Chitosan

Patent No. EP3510051 (titled "Carboxyalkyl Chitosan") was filed by Kiomed Pharma on Nov 9, 2018. The application was issued on Oct 5, 2022.

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
CABINET PONCET	Oct 1, 2020	CABINET PONCET

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 6, 2024
Request for change of client data cannot be registered anymore
Sep 8, 2022
Decision to maintain the European patent in amended form
Sep 8, 2022
Decision to maintain the European patent in amended form
Sep 2, 2022
Termination of the opposition proceedings with maintenance of patent
Aug 30, 2022
(Electronic) Receipt
Aug 30, 2022
English translation of the claims
Aug 30, 2022
Filing of the translation of the amended claims
Aug 30, 2022
German translation of the claims
Aug 30, 2022
Letter accompanying subsequently filed items
Jun 28, 2022
Communication of bibliographic data
Jun 28, 2022
Communication to opponent concerning maintenance
Jun 28, 2022
Communication with request to file translations
Jun 23, 2022
Maintenance of the patent with the documents specified in the final decision
Feb 18, 2022
(Electronic) Receipt
Feb 18, 2022
Advice of delivery
Feb 18, 2022
Letter accompanying subsequently filed items
Feb 15, 2022
Advice of delivery
Feb 11, 2022
Annex to the communication - opposition
Feb 11, 2022
Decision of the Opposition Division and instruction
Feb 11, 2022
Druckexemplar in opposition procedure
Feb 11, 2022
Grounds for the decision (Annex) - opposition
Feb 11, 2022
Interlocutory decision in opposition proceedings
Feb 11, 2022
Interlocutory decision in opposition proceedings
Feb 11, 2022
Means of redress
Feb 11, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 11, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 11, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 11, 2022
Provision of a copy of the minutes - opposition procedure
Feb 11, 2022
Provision of a copy of the minutes - opposition procedure
Feb 11, 2022
Scanned annex to a communication - opposition procedure
Feb 11, 2022
Transmittal of decision / summons - opposition
Feb 11, 2022
Transmittal of decision / summons - opposition
Jan 12, 2022
Information about the result of oral proceedings
Jan 4, 2022
Brief communication - Opposition proceedings
Dec 21, 2021
(Electronic) Receipt
Dec 21, 2021
Letter accompanying subsequently filed items
Dec 21, 2021
Written submission in preparation to/during oral proceedings
Dec 9, 2021
Brief communication - Opposition proceedings
Dec 3, 2021
(Electronic) Receipt
Dec 3, 2021
Citation in opposition procedure - 016
Dec 3, 2021
Consolidated list of cited opposition documents
Dec 3, 2021
Letter accompanying subsequently filed items
Dec 3, 2021
Written submission in preparation to/during oral proceedings
Nov 22, 2021
Brief communication - Opposition proceedings
Nov 22, 2021
Brief communication - Opposition proceedings
Nov 19, 2021
Brief communication - Opposition proceedings
Nov 19, 2021
Communication of amended entries concerning the representative
Nov 12, 2021
(Electronic) Receipt
Nov 12, 2021
Brief communication - Opposition proceedings
Nov 12, 2021
Citation in opposition procedure - 015
Nov 12, 2021
Letter accompanying subsequently filed items
Nov 12, 2021
Written submission in preparation to/during oral proceedings
Nov 10, 2021
(Electronic) Receipt
Nov 10, 2021
Citation in opposition procedure - 014
Nov 10, 2021
Letter accompanying subsequently filed items
Nov 10, 2021
Written submission in preparation to/during oral proceedings
Nov 8, 2021
(Electronic) Receipt
Nov 8, 2021
Letter accompanying subsequently filed items
Nov 8, 2021
Written submission in preparation to/during oral proceedings
Nov 4, 2021
(Electronic) Receipt
Nov 4, 2021
General authorisation
Nov 4, 2021
Letter accompanying subsequently filed items
Nov 4, 2021
Submission concerning change of proprietor's representative
Jun 8, 2021
Notification concerning the date of oral proceedings
Jun 8, 2021
Notification concerning the date of oral proceedings
Mar 18, 2021
Advice of delivery
Mar 18, 2021
Advice of delivery
Mar 15, 2021
Advice of delivery
Mar 10, 2021
Annex to the communication - opposition
Mar 10, 2021
Information concerning oral proceedings
Mar 10, 2021
Summons to attend oral proceedings
Mar 10, 2021
Summons to attend oral proceedings
Mar 10, 2021
Transmittal of decision / summons - opposition
Mar 10, 2021
Transmittal of decision / summons - opposition
Dec 11, 2020
Brief communication - Opposition proceedings
Dec 10, 2020
Brief communication - Opposition proceedings
Dec 7, 2020
(Electronic) Receipt
Dec 7, 2020
Auxiliary request during Opposition procedure - 11
Dec 7, 2020
Letter accompanying subsequently filed items
Dec 5, 2020
(Electronic) Receipt
Dec 5, 2020
Auxiliary request during Opposition procedure
Dec 5, 2020
Auxiliary request during Opposition procedure
Dec 5, 2020
Auxiliary request during Opposition procedure
Dec 5, 2020
Auxiliary request during Opposition procedure
Dec 5, 2020
Auxiliary request during Opposition procedure
Dec 5, 2020
Auxiliary request during Opposition procedure
Dec 5, 2020
Auxiliary request during Opposition procedure
Dec 5, 2020
Auxiliary request during Opposition procedure
Dec 5, 2020
Auxiliary request during Opposition procedure
Dec 5, 2020
Auxiliary request during Opposition procedure
Dec 5, 2020
Auxiliary request during Opposition procedure
Dec 5, 2020
Auxiliary request during Opposition procedure
Dec 5, 2020
Auxiliary request during Opposition procedure
Dec 5, 2020
Auxiliary request during Opposition procedure
Dec 5, 2020
Auxiliary request during Opposition procedure
Dec 5, 2020
Auxiliary request during Opposition procedure
Dec 5, 2020
Auxiliary request during Opposition procedure - 01
Dec 5, 2020
Auxiliary request during Opposition procedure - 02
Dec 5, 2020
Auxiliary request during Opposition procedure - 03
Dec 5, 2020
Auxiliary request during Opposition procedure - 04
Dec 5, 2020
Auxiliary request during Opposition procedure - 05
Dec 5, 2020
Auxiliary request during Opposition procedure - 06
Dec 5, 2020
Auxiliary request during Opposition procedure - 07
Dec 5, 2020
Auxiliary request during Opposition procedure - 08
Dec 5, 2020
Auxiliary request during Opposition procedure - 09
Dec 5, 2020
Auxiliary request during Opposition procedure - 10
Dec 5, 2020
Auxiliary request during Opposition procedure - 12
Dec 5, 2020
Auxiliary request during Opposition procedure - 13
Dec 5, 2020
Auxiliary request during Opposition procedure - 14
Dec 5, 2020
Auxiliary request during Opposition procedure - 15
Dec 5, 2020
Auxiliary request during Opposition procedure - 16
Dec 5, 2020
Citation in opposition procedure
Dec 5, 2020
Citation in opposition procedure - 012
Dec 5, 2020
Citation in opposition procedure - 013
Dec 5, 2020
Letter accompanying subsequently filed items
Dec 5, 2020
Reply of the patent proprietor to the notice(s) of opposition
Oct 13, 2020
Communication of a notice of opposition and request to file observations
Oct 13, 2020
Notice of further oppositions to opponent(s)
Oct 8, 2020
Communication of a notice of opposition - first information to patent proprietor
Oct 1, 2020
(Electronic) Receipt
Oct 1, 2020
Citation in opposition procedure - 001
Oct 1, 2020
Citation in opposition procedure - 002
Oct 1, 2020
Citation in opposition procedure - 003
Oct 1, 2020
Citation in opposition procedure - 004
Oct 1, 2020
Citation in opposition procedure - 005
Oct 1, 2020
Citation in opposition procedure - 006
Oct 1, 2020
Citation in opposition procedure - 007
Oct 1, 2020
Citation in opposition procedure - 008
Oct 1, 2020
Citation in opposition procedure - 009
Oct 1, 2020
Citation in opposition procedure - 010
Oct 1, 2020
Citation in opposition procedure - 011
Oct 1, 2020
International publication (Pamphlet)
Oct 1, 2020
Notice of opposition
Oct 1, 2020
Notice of opposition
Jun 17, 2020
Copy of the international preliminary report on patentability
Jan 13, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 20, 2019
Brief communication to applicant/representative
Dec 5, 2019
Decision to grant a European patent
Nov 21, 2019
(Electronic) Receipt
Nov 21, 2019
English translation of the claims
Nov 21, 2019
Filing of the translations of the claims
Nov 21, 2019
German translation of the claims
Nov 21, 2019
Letter accompanying subsequently filed items
Jul 25, 2019
Bibliographic data of the European patent application
Jul 25, 2019
Communication about intention to grant a European patent
Jul 25, 2019
Intention to grant (signatures)
Jul 25, 2019
Text intended for grant (clean copy)
Jul 25, 2019
Text intended for grant (version for approval)
Jul 3, 2019
Communication to designated inventor
Jul 3, 2019
Communication to designated inventor
Jul 3, 2019
Communication to designated inventor
Jul 3, 2019
Communication to designated inventor
Jul 3, 2019
Communication to designated inventor
Jul 3, 2019
Communication to designated inventor
Jun 24, 2019
Priority document (electronically transmitted)
Jun 19, 2019
Notification on forthcoming publication of bibliographic data
Jun 18, 2019
Examination started
Jun 6, 2019
Copy of the international search report
Jun 6, 2019
Published international application - A1
Mar 13, 2019
Incoming letter related to PCT RO
Feb 28, 2019
Confirmation of effective date of early entry
Feb 13, 2019
Copy of the international preliminary report on patentability
Feb 13, 2019
Copy of the international search report
Feb 13, 2019
Reply by International Bureau
Feb 13, 2019
Transmission of a document (International preliminary examination report)
Feb 5, 2019
Enquiry with the International Bureau
Feb 1, 2019
(Electronic) Receipt
Feb 1, 2019
Letter concerning fees and payments
Jan 30, 2019
(Electronic) Receipt
Jan 30, 2019
Request for entry into the European phase
Dec 19, 2018
Written opinion of the ISA, boxes No. I to VIII
Dec 19, 2018
Written opinion of the ISA, cover sheet
Dec 19, 2018
Written opinion of the ISA, supplemental box
Nov 22, 2018
Notification of the international application number and of the international filing date
Nov 9, 2018
(Electronic) Receipt
Nov 9, 2018
Abstract
Nov 9, 2018
Claims
Nov 9, 2018
Description
Nov 9, 2018
Document concerning fees and payments
Nov 9, 2018
Electronic request for grant of an International application

EP3510051

KIOMED PHARMA

Application Number: EP18799773A
Filing Date: Nov 9, 2018
Status: Patent Maintained As Amended; Sep 2, 2022
Publication Date: Oct 5, 2022
External Links: Slate, Register , Google Patents

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Carboxyalkyl Chitosan

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Dossier Documents

EP3510051