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Low-Modification Biocompatible High Polymer Sulfhydryl-Modified Derivatives, Cross-Linked Material Thereof, And Uses Of Said Material

Patent No. EP2614828 (titled "Low-Modification Biocompatible High Polymer Sulfhydryl-Modified Derivatives, Cross-Linked Material Thereof, And Uses Of Said Material") was filed by Bioregen Biomedical Changzhou on Aug 4, 2011. The application was issued on Oct 19, 2016.

Patent Summary

Patent Family

Patent Oppositions (2)

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 M.B.H.	Jul 18, 2017	SCHWARZ & PARTNER PATENTANWALTE
STRAWMAN	Jul 18, 2017	VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB

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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Dec 22, 2022
Termination of the opposition proceedings with revocation of patent
Dec 8, 2022
Decision of the Board of Appeal
Dec 8, 2022
F3032 Notification(s) of the decision
Dec 8, 2022
F3032 Notification(s) of the decision
Dec 8, 2022
F3032 Notification(s) of the decision
Oct 4, 2022
F3345 Forwarding of submissions to parties
Sep 28, 2022
(Electronic) Receipt
Sep 28, 2022
Letter accompanying subsequently filed items
Sep 28, 2022
Letter relating to Appeal Procedure
Sep 19, 2022
F3013 Oral Proceedings: Forwarding minutes
Sep 19, 2022
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Sep 5, 2022
F3345 Forwarding of submissions to parties
Sep 5, 2022
F3345 Forwarding of submissions to parties
Sep 2, 2022
(Electronic) Receipt
Sep 2, 2022
Annexes (other than cited documents) regarding appeal procedure
Sep 2, 2022
Annexes (other than cited documents) regarding appeal procedure
Sep 2, 2022
Letter accompanying subsequently filed items
Sep 2, 2022
Letter dealing with oral proceedings during the appeal procedure
Aug 26, 2022
F3004 Communication of the Registry
Aug 26, 2022
F3004 Communication of the Registry
Aug 26, 2022
F3004 Communication of the Registry
Aug 19, 2022
F3345 Forwarding of submissions to parties
Aug 17, 2022
F3345 Forwarding of submissions to parties
Aug 16, 2022
(Electronic) Receipt
Aug 16, 2022
Letter accompanying subsequently filed items
Aug 10, 2022
(Electronic) Receipt
Aug 10, 2022
Letter accompanying subsequently filed items
Aug 10, 2022
Request for interpreters during oral proceedings
Jul 25, 2022
F3345 Forwarding of submissions to parties
Jul 19, 2022
(Electronic) Receipt
Jul 19, 2022
Letter accompanying subsequently filed items
Jul 19, 2022
Request for interpreters during oral proceedings
Jul 12, 2022
F3057 Communication: Change of responsibility of a Board of Appeal
Jul 12, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 12, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 12, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 22, 2022
F3345 Forwarding of submissions to parties
Jun 22, 2022
F3345 Forwarding of submissions to parties
Jun 20, 2022
(Electronic) Receipt
Jun 20, 2022
Annexes (other than cited documents) regarding appeal procedure
Jun 20, 2022
Letter accompanying subsequently filed items
Jun 20, 2022
Letter dealing with oral proceedings during the appeal procedure
May 13, 2022
F3022 Oral proceedings: change of board composition
May 13, 2022
F3022 Oral proceedings: change of board composition
May 13, 2022
F3022 Oral proceedings: change of board composition
May 10, 2022
F3303.16 Change of composition of the Board (T)
Feb 10, 2022
F3345 Forwarding of submissions to parties
Feb 10, 2022
F3345 Forwarding of submissions to parties
Feb 7, 2022
(Electronic) Receipt
Feb 7, 2022
Letter accompanying subsequently filed items
Feb 7, 2022
Letter dealing with oral proceedings during the appeal procedure
Dec 13, 2021
Advice of delivery
Dec 8, 2021
F3011.1 Oral Proceedings: summons
Dec 8, 2021
F3011.1 Oral Proceedings: summons
Dec 8, 2021
F3011.1 Oral Proceedings: summons
Dec 3, 2021
F3010 Oral proceedings: order for summons
Dec 3, 2021
F3303.16 Change of composition of the Board (T)
Dec 7, 2020
F3345 Forwarding of submissions to parties
Dec 7, 2020
F3345 Forwarding of submissions to parties
Nov 23, 2020
(Electronic) Receipt
Nov 23, 2020
Amended claims with annotations
Nov 23, 2020
Amended claims with annotations
Nov 23, 2020
Amended claims with annotations
Nov 23, 2020
Amended claims with annotations
Nov 23, 2020
Annexes (other than cited documents) regarding appeal procedure
Nov 23, 2020
Annexes (other than cited documents) regarding appeal procedure
Nov 23, 2020
Cited document during appeal procedure
Nov 23, 2020
Cited document during appeal procedure
Nov 23, 2020
Claims
Nov 23, 2020
Claims
Nov 23, 2020
Claims
Nov 23, 2020
Claims
Nov 23, 2020
Letter accompanying subsequently filed items
Nov 23, 2020
Letter relating to Appeal Procedure
Mar 25, 2020
Composition of the board (T)
Oct 23, 2019
F3345 Forwarding of submissions to parties
Oct 23, 2019
F3345 Forwarding of submissions to parties
Oct 23, 2019
F3345 Forwarding of submissions to parties
Oct 23, 2019
F3345 Forwarding of submissions to parties
Oct 1, 2019
(Electronic) Receipt
Oct 1, 2019
Cited document during appeal procedure
Oct 1, 2019
Cited document during appeal procedure
Oct 1, 2019
Cited document during appeal procedure
Oct 1, 2019
Cited document during appeal procedure
Oct 1, 2019
Cited document during appeal procedure
Oct 1, 2019
Cited document during appeal procedure
Oct 1, 2019
Letter accompanying subsequently filed items
Oct 1, 2019
Patent Document cited during the appeal procedure
Oct 1, 2019
Reply to appeal
Oct 1, 2019
Reply to appeal
Jul 22, 2019
F3345 Forwarding of submissions to parties
Jul 22, 2019
F3345 Forwarding of submissions to parties
Jul 15, 2019
Communication of amended entries concerning the representative
Jul 9, 2019
Submission concerning change of applicant's representative
May 22, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 22, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 1, 2019
(Electronic) Receipt
May 1, 2019
Letter accompanying subsequently filed items
May 1, 2019
Letter relating to Appeal Procedure
Apr 30, 2019
(Electronic) Receipt
Apr 30, 2019
Amended claims with annotations
Apr 30, 2019
Amended claims with annotations
Apr 30, 2019
Amended claims with annotations
Apr 30, 2019
Amended claims with annotations
Apr 30, 2019
Amended claims with annotations
Apr 30, 2019
Amended claims with annotations
Apr 30, 2019
Amended claims with annotations
Apr 30, 2019
Amended claims with annotations
Apr 30, 2019
Amended claims with annotations
Apr 30, 2019
Amended claims with annotations
Apr 30, 2019
Amended claims with annotations
Apr 30, 2019
Amended claims with annotations
Apr 30, 2019
Amended claims with annotations
Apr 30, 2019
Amended claims with annotations
Apr 30, 2019
Claims
Apr 30, 2019
Claims
Apr 30, 2019
Claims
Apr 30, 2019
Claims
Apr 30, 2019
Claims
Apr 30, 2019
Claims
Apr 30, 2019
Claims
Apr 30, 2019
Claims
Apr 30, 2019
Claims
Apr 30, 2019
Claims
Apr 30, 2019
Claims
Apr 30, 2019
Claims
Apr 30, 2019
Claims
Apr 30, 2019
Claims
Apr 30, 2019
Letter accompanying subsequently filed items
Apr 30, 2019
Letter relating to Appeal Procedure
Apr 30, 2019
Statement of grounds of appeal
Apr 25, 2019
Submission concerning representation
Mar 7, 2019
F3204 Communication of the file number to the parties
Mar 7, 2019
F3204 Communication of the file number to the parties
Mar 7, 2019
F3204 Communication of the file number to the parties
Feb 25, 2019
Processing of an appeal
Feb 22, 2019
(Electronic) Receipt
Feb 22, 2019
Letter accompanying subsequently filed items
Feb 22, 2019
Notice of appeal
Jan 14, 2019
Advice of delivery
Jan 14, 2019
Advice of delivery
Jan 3, 2019
Advice of delivery
Dec 28, 2018
Advice of delivery
Dec 28, 2018
Advice of delivery
Dec 21, 2018
Acknowledgement of a document
Dec 21, 2018
Acknowledgement of a document
Dec 21, 2018
Acknowledgement of a document
Dec 21, 2018
Annex to the communication - opposition
Dec 21, 2018
Decision of the Opposition Division and instruction
Dec 21, 2018
Decision of the Opposition Division and instruction
Dec 21, 2018
Decision revoking the European patent
Dec 21, 2018
Grounds for the decision (Annex) - opposition
Dec 21, 2018
Internal form - Opposition/addressees
Dec 21, 2018
Internal form - Opposition/addressees
Dec 21, 2018
Means of redress
Dec 21, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 21, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 21, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 21, 2018
Provision of a copy of the minutes - opposition procedure
Dec 21, 2018
Provision of a copy of the minutes - opposition procedure
Dec 21, 2018
Scanned annex to a communication - opposition procedure
Dec 21, 2018
Scanned annex to a communication - opposition procedure
Nov 26, 2018
Brief communication - Opposition proceedings
Nov 26, 2018
Brief communication - Opposition proceedings
Nov 23, 2018
Information about the result of oral proceedings
Nov 20, 2018
(Electronic) Receipt
Nov 20, 2018
Letter accompanying subsequently filed items
Nov 20, 2018
Written submission in preparation to/during oral proceedings
Sep 27, 2018
Brief communication - Opposition proceedings
Sep 27, 2018
Brief communication - Opposition proceedings
Sep 27, 2018
Brief communication - Opposition proceedings
Sep 21, 2018
(Electronic) Receipt
Sep 21, 2018
(Electronic) Receipt
Sep 21, 2018
(Electronic) Receipt
Sep 21, 2018
Amended claims with annotations
Sep 21, 2018
Citation in opposition procedure
Sep 21, 2018
Citation in opposition procedure
Sep 21, 2018
Citation in opposition procedure
Sep 21, 2018
Claims
Sep 21, 2018
Letter accompanying subsequently filed items
Sep 21, 2018
Letter accompanying subsequently filed items
Sep 21, 2018
Letter accompanying subsequently filed items
Sep 21, 2018
Patent document cited during the opposition procedure
Sep 21, 2018
Patent document cited during the opposition procedure
Sep 21, 2018
Written submission in preparation to/during oral proceedings
Sep 21, 2018
Written submission in preparation to/during oral proceedings
Sep 21, 2018
Written submission in preparation to/during oral proceedings
Mar 20, 2018
Advice of delivery
Mar 19, 2018
Advice of delivery
Mar 19, 2018
Advice of delivery
Mar 15, 2018
Advice of delivery
Mar 9, 2018
Advice of delivery
Mar 8, 2018
Advice of delivery
Mar 7, 2018
Acknowledgement of a document
Mar 7, 2018
Acknowledgement of a document
Mar 7, 2018
Acknowledgement of a document
Mar 7, 2018
Annex to the communication - opposition
Mar 7, 2018
Information concerning oral proceedings
Mar 7, 2018
Scanned annex to a communication - opposition procedure
Mar 7, 2018
Summons to attend oral proceedings
Mar 7, 2018
Summons to attend oral proceedings
Mar 7, 2018
Summons to attend oral proceedings
Mar 2, 2018
Preparation for oral proceedings
Jan 16, 2018
Brief communication - Opposition proceedings
Jan 16, 2018
Brief communication - Opposition proceedings
Jan 9, 2018
Brief communication - Opposition proceedings
Jan 9, 2018
Brief communication - Opposition proceedings
Jan 9, 2018
Rejection of request for extension of time limit
Jan 8, 2018
(Electronic) Receipt
Jan 8, 2018
Any annexes (other than citation) to an opposition letter
Jan 8, 2018
Letter accompanying subsequently filed items
Jan 8, 2018
Main request during Opposition procedure
Jan 8, 2018
Main request during Opposition procedure
Jan 8, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jan 4, 2018
(Electronic) Receipt
Jan 4, 2018
Letter accompanying subsequently filed items
Jan 4, 2018
Request for extension of time limit
Aug 28, 2017
Communication of a notice of opposition and request to file observations
Aug 28, 2017
Notice of further oppositions to opponent(s)
Aug 28, 2017
Notice of further oppositions to opponent(s)
Jul 31, 2017
Communication of a notice of opposition - first information to patent proprietor
Jul 21, 2017
Communication of a notice of opposition - first information to patent proprietor
Jul 18, 2017
(Electronic) Receipt
Jul 18, 2017
(Electronic) Receipt
Jul 18, 2017
Any annexes (other than citation) to an opposition letter
Jul 18, 2017
Any annexes (other than citation) to an opposition letter
Jul 18, 2017
Non-patent literature cited during the opposition procedure
Jul 18, 2017
Non-patent literature cited during the opposition procedure
Jul 18, 2017
Non-patent literature cited during the opposition procedure
Jul 18, 2017
Non-patent literature cited during the opposition procedure
Jul 18, 2017
Non-patent literature cited during the opposition procedure
Jul 18, 2017
Non-patent literature cited during the opposition procedure
Jul 18, 2017
Non-patent literature cited during the opposition procedure
Jul 18, 2017
Non-patent literature cited during the opposition procedure
Jul 18, 2017
Non-patent literature cited during the opposition procedure
Jul 18, 2017
Non-patent literature cited during the opposition procedure
Jul 18, 2017
Notice of opposition
Jul 18, 2017
Notice of opposition
Jul 18, 2017
Notice of opposition
Jul 18, 2017
Notice of opposition
Jul 18, 2017
Patent document cited during the opposition procedure
Jul 18, 2017
Patent document cited during the opposition procedure
Jul 18, 2017
Patent document cited during the opposition procedure
Jul 18, 2017
Patent document cited during the opposition procedure
Jul 18, 2017
Patent document cited during the opposition procedure
Jul 18, 2017
Patent document cited during the opposition procedure
Jul 18, 2017
Patent document cited during the opposition procedure
Jul 18, 2017
Patent document cited during the opposition procedure
Jul 18, 2017
Patent document cited during the opposition procedure
Jul 18, 2017
Translation of the evidence during Opposition procedure
Oct 20, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 22, 2016
Decision to grant a European patent
Sep 7, 2016
(Electronic) Receipt
Sep 7, 2016
Filing of the translations of the claims
Sep 7, 2016
French translation of claims
Sep 7, 2016
German translation of the claims
May 4, 2016
Bibliographic data of the European patent application
May 4, 2016
Communication about intention to grant a European patent
May 4, 2016
Intention to grant (signatures)
May 4, 2016
Text intended for grant (clean copy)
May 4, 2016
Text intended for grant (version for approval)
Feb 12, 2016
(Electronic) Receipt
Feb 12, 2016
Claims
Feb 12, 2016
Description
Feb 12, 2016
Letter accompanying subsequently filed items
Feb 12, 2016
Reply to communication from the Examining Division
Jan 28, 2016
Annex to the communication
Jan 28, 2016
Consultation by telephone/in person (with time limit)
Jan 28, 2016
Result of consultation by telephone/in person
Jan 25, 2016
Examination started
Dec 12, 2014
(Electronic) Receipt
Dec 12, 2014
Letter accompanying subsequently filed items
Dec 12, 2014
Priority document
Dec 12, 2014
Priority document
Dec 12, 2014
Priority document
Dec 12, 2014
Priority document
Dec 12, 2014
Reply to invitation to file a copy of priority search results
Oct 7, 2014
Invitation to file a copy of search results(priority)
Sep 22, 2014
(Electronic) Receipt
Sep 22, 2014
Amended claims filed after receipt of (European) search report
Sep 22, 2014
Amended claims with annotations
Sep 22, 2014
Amended description filed after receipt of (European) search report
Sep 22, 2014
Amended description with annotations
Sep 22, 2014
Amendments received before examination
Sep 22, 2014
Letter accompanying subsequently filed items
Mar 12, 2014
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Feb 20, 2014
Communication regarding the transmission of the European search report
Feb 20, 2014
European search opinion
Feb 20, 2014
Supplementary European search report
Feb 5, 2014
Search started
Jan 23, 2014
Translation of the international preliminary report on patentability
Nov 13, 2013
(Electronic) Receipt
Nov 13, 2013
Letter accompanying subsequently filed items
Jun 19, 2013
Notification of forthcoming publication
May 13, 2013
Communication regarding possible amendment of the application/payment of claims fee
May 2, 2013
Copy of the international search report
May 2, 2013
Copy of the translated international search report
May 2, 2013
Copy of the translated international search report
May 2, 2013
International publication of the international search report
May 2, 2013
International publication of the international search report
Apr 17, 2013
Communication to designated inventor
Apr 17, 2013
Communication to designated inventor
Apr 17, 2013
Communication to designated inventor
Apr 17, 2013
Communication to designated inventor
Apr 3, 2013
Copy of the international preliminary report on patentability
Mar 26, 2013
The request for correction will be decided by the Examining Division
Mar 14, 2013
(Electronic) Receipt
Mar 14, 2013
Abstract
Mar 14, 2013
Abstract
Mar 14, 2013
Amendments received before examination
Mar 14, 2013
Amendments received before examination
Mar 14, 2013
Claims
Mar 14, 2013
Description
Mar 14, 2013
Drawings
Mar 14, 2013
Drawings
Mar 14, 2013
Request for entry into the European phase
Jan 18, 2013
Information on entry into European phase
Apr 12, 2012
Priority document (electronically transmitted)
Mar 15, 2012
International publication pamphlet

EP2614828

BIOREGEN BIOMEDICAL CHANGZHOU

Application Number: EP11823038A
Filing Date: Aug 4, 2011
Status: Revoked; Dec 23, 2022
Publication Date: Oct 19, 2016
External Links: Slate, Register , Google Patents