Methods For Tissue Decellularization

Patent No. EP2538988 (titled "Methods For Tissue Decellularization") was filed by Decell on Feb 25, 2011. The application was issued on Jan 30, 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
TISSUE REGENIX	Oct 30, 2019	HGF

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 6, 2021
(Electronic) Receipt
Jul 6, 2021
(Electronic) Receipt
Jul 6, 2021
Advice of delivery
Jul 6, 2021
Advice of delivery
Jul 6, 2021
Letter accompanying subsequently filed items
Jul 6, 2021
Letter accompanying subsequently filed items
Jul 6, 2021
Transmittal of decision / summons - opposition
Jul 6, 2021
Transmittal of decision / summons - opposition
Jun 7, 2021
(Electronic) Receipt
Jun 7, 2021
(Electronic) Receipt
Jun 7, 2021
Advice of delivery
Jun 7, 2021
Advice of delivery
Jun 7, 2021
Brief communication - Opposition proceedings
Jun 7, 2021
Decision of the Opposition Division and instruction
Jun 7, 2021
Decision rejecting the opposition
Jun 7, 2021
Decision rejecting the opposition
Jun 7, 2021
Grounds for the decision (Annex) - opposition
Jun 7, 2021
Internal form - Opposition/addressees
Jun 7, 2021
Letter accompanying subsequently filed items
Jun 7, 2021
Letter accompanying subsequently filed items
Jun 7, 2021
Means of redress
Jun 7, 2021
Transmittal of decision / summons - opposition
Jun 7, 2021
Transmittal of decision / summons - opposition
May 21, 2021
(Electronic) Receipt
May 21, 2021
Letter accompanying subsequently filed items
May 21, 2021
Letter regarding the opposition procedure (no time limit)
Feb 19, 2021
Brief communication - Opposition proceedings
Feb 19, 2021
Notification concerning the date of oral proceedings
Feb 19, 2021
Notification concerning the date of oral proceedings
Feb 11, 2021
(Electronic) Receipt
Feb 11, 2021
Letter accompanying subsequently filed items
Feb 11, 2021
Written submission in preparation to/during oral proceedings
Jan 21, 2021
Brief communication - Opposition proceedings
Jan 14, 2021
Brief communication - Opposition proceedings
Jan 13, 2021
Notification concerning the date of oral proceedings
Jan 13, 2021
Notification concerning the date of oral proceedings
Jan 8, 2021
(Electronic) Receipt
Jan 8, 2021
Auxiliary request during Opposition procedure - 09
Jan 8, 2021
Citation in opposition procedure - 014
Jan 8, 2021
Citation in opposition procedure - 015
Jan 8, 2021
Citation in opposition procedure - 016
Jan 8, 2021
Citation in opposition procedure - 017
Jan 8, 2021
Consolidated list of cited opposition documents
Jan 8, 2021
Letter accompanying subsequently filed items
Jan 8, 2021
Letter regarding the opposition procedure (no time limit)
Jan 8, 2021
Written submission in preparation to/during oral proceedings
Dec 22, 2020
(Electronic) Receipt
Dec 22, 2020
Letter accompanying subsequently filed items
Dec 22, 2020
Written submission in preparation to/during oral proceedings
Dec 2, 2020
Brief communication - Opposition proceedings
Dec 2, 2020
Brief communication - Opposition proceedings
Nov 25, 2020
(Electronic) Receipt
Nov 25, 2020
Any annexes (other than citation) to an opposition letter
Nov 25, 2020
Letter accompanying subsequently filed items
Nov 25, 2020
Oral proceedings: reply to date proposed
Sep 24, 2020
(Electronic) Receipt
Sep 24, 2020
Advice of delivery
Sep 24, 2020
Letter accompanying subsequently filed items
Sep 23, 2020
(Electronic) Receipt
Sep 23, 2020
Advice of delivery
Sep 23, 2020
Letter accompanying subsequently filed items
Sep 18, 2020
Acknowledgement of a document
Sep 18, 2020
Acknowledgement of a document
Sep 18, 2020
Annex to the communication - opposition
Sep 18, 2020
Information concerning oral proceedings
Sep 18, 2020
Summons to attend oral proceedings
Sep 18, 2020
Summons to attend oral proceedings
Jun 8, 2020
Communication of amended entries
May 29, 2020
Request concerning representative opponent
Apr 2, 2020
Brief communication - Opposition proceedings
Mar 27, 2020
(Electronic) Receipt
Mar 27, 2020
Amended claims with annotations
Mar 27, 2020
Amended claims with annotations
Mar 27, 2020
Amended claims with annotations
Mar 27, 2020
Amended claims with annotations
Mar 27, 2020
Amended claims with annotations
Mar 27, 2020
Amended claims with annotations
Mar 27, 2020
Amended claims with annotations
Mar 27, 2020
Amended claims with annotations
Mar 27, 2020
Citation in opposition procedure - 008
Mar 27, 2020
Citation in opposition procedure - 009
Mar 27, 2020
Citation in opposition procedure - 010
Mar 27, 2020
Citation in opposition procedure - 011
Mar 27, 2020
Citation in opposition procedure - 012
Mar 27, 2020
Citation in opposition procedure - 013
Mar 27, 2020
Letter accompanying subsequently filed items
Mar 27, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jan 13, 2020
Brief communication - Opposition proceedings
Jan 13, 2020
Communication confirming withdrawal from representation
Jan 13, 2020
Communication of amended entries concerning the representative
Dec 31, 2019
(Electronic) Receipt
Dec 31, 2019
Submission concerning change of proprietor's representative
Nov 14, 2019
Communication of a notice of opposition and request to file observations
Nov 14, 2019
Notice of further oppositions to opponent(s)
Nov 8, 2019
Communication of a notice of opposition - first information to patent proprietor
Oct 30, 2019
(Electronic) Receipt
Oct 30, 2019
Citation in opposition procedure - 001
Oct 30, 2019
Citation in opposition procedure - 002
Oct 30, 2019
Citation in opposition procedure - 003
Oct 30, 2019
Citation in opposition procedure - 004
Oct 30, 2019
Citation in opposition procedure - 005
Oct 30, 2019
Citation in opposition procedure - 006
Oct 30, 2019
Citation in opposition procedure - 007
Oct 30, 2019
Notice of opposition
Oct 30, 2019
Notice of opposition
Feb 11, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 7, 2019
Decision to grant a European patent
Dec 19, 2018
(Electronic) Receipt
Dec 19, 2018
Filing of the translations of the claims
Dec 19, 2018
French translation of claims
Dec 19, 2018
German translation of the claims
Dec 19, 2018
Letter accompanying subsequently filed items
Aug 14, 2018
Bibliographic data of the European patent application
Aug 14, 2018
Communication about intention to grant a European patent
Aug 14, 2018
Intention to grant (signatures)
Aug 14, 2018
Text intended for grant (clean copy)
Aug 14, 2018
Text intended for grant (version for approval)
Jun 29, 2018
Transmittal of third party observations to applicant
Jun 14, 2018
Non-patent literature filed by a third party
Jun 14, 2018
Non-patent literature filed by a third party
Jun 14, 2018
Non-patent literature filed by a third party
Jun 14, 2018
Non-patent literature filed by a third party
Jun 14, 2018
Non-patent literature filed by a third party
Jun 14, 2018
Observations by third parties
Jun 14, 2018
Observations by third parties
Jun 14, 2018
Patent document filed by a Third party
Jun 14, 2018
Patent document filed by a Third party
Mar 20, 2018
(Electronic) Receipt
Mar 20, 2018
Amended claims with annotations
Mar 20, 2018
Annex
Mar 20, 2018
Claims
Mar 20, 2018
Letter accompanying subsequently filed items
Mar 20, 2018
Reply to communication from the Examining Division
Feb 20, 2018
Communication of amended entries concerning the representative
Feb 14, 2018
Submission concerning change of applicant's representative
Nov 15, 2017
Annex to the communication
Nov 15, 2017
Communication from the Examining Division
Nov 8, 2017
Examination started
Aug 24, 2017
Notification regarding date of start of examination with possibility to withdraw
Feb 4, 2015
(Electronic) Receipt
Feb 4, 2015
Amended claims filed after receipt of (European) search report
Feb 4, 2015
Amended claims with annotations
Feb 4, 2015
Amendments received before examination
Feb 4, 2015
Letter accompanying subsequently filed items
Feb 4, 2015
Non-patent literature cited during the examination procedure
Feb 4, 2015
Non-patent literature cited during the examination procedure
Feb 4, 2015
Non-patent literature cited during the examination procedure
Feb 4, 2015
Non-patent literature cited during the examination procedure
Jul 25, 2014
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jul 8, 2014
Communication regarding the transmission of the European search report
Jul 8, 2014
European search opinion
Jul 8, 2014
Supplementary European search report
Jun 27, 2014
Search started
Apr 25, 2013
(Electronic) Receipt
Apr 25, 2013
Amended claims filed after receipt of (European) search report
Apr 25, 2013
Amended claims with annotations
Apr 25, 2013
Amendments received before examination
Apr 25, 2013
Letter accompanying subsequently filed items
Dec 5, 2012
Notification on forthcoming publication of bibliographic data
Nov 21, 2012
Communication concerning corrected entries of the applicant
Oct 30, 2012
Letter which had not been notified
Oct 26, 2012
Communication regarding possible amendment of the application/payment of claims fee
Oct 19, 2012
(Electronic) Receipt
Oct 19, 2012
Letter accompanying subsequently filed items
Oct 19, 2012
Request for correction
Oct 10, 2012
Communication to designated inventor
Sep 27, 2012
(Electronic) Receipt
Sep 27, 2012
Annexes in respect of a client data request
Sep 27, 2012
Letter accompanying subsequently filed items
Sep 27, 2012
Miscellaneous requests concerning client data
Sep 19, 2012
(Electronic) Receipt
Sep 19, 2012
Notification of the recording of a change
Sep 19, 2012
Notification of the recording of a change
Sep 19, 2012
Request for entry into the European phase
Sep 11, 2012
Copy of the international preliminary report on patentability
Aug 31, 2012
Information on entry into European phase
Mar 1, 2012
Copy of the international search report
Mar 1, 2012
International publication of the international search report
Nov 16, 2011
Priority document (electronically transmitted)
Oct 27, 2011
Published international application - A2

EP2538988

DECELL

Application Number: EP11771666A
Filing Date: Feb 25, 2011
Status: Opposition Rejected; Dec 10, 2021
Publication Date: Jan 30, 2019
External Links: Slate, Register , Google Patents

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Methods For Tissue Decellularization

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Dossier Documents

EP2538988