A Cell Mediated Immune Response Assay With Enhanced Sensitivity

Patent No. EP2726883 (titled "A Cell Mediated Immune Response Assay With Enhanced Sensitivity") was filed by Cellestis on Jun 27, 2012. The application was issued on May 18, 2022.

UPC Cases New

Latest UPC cases involving this patent.

Case Number	Filing Date	Plaintiff	Proceeding Type
UPC_CFI_516/2025	Jun 10, 2025	Biomerieux, Biomerieux Deutschland	Counter Claim For Revocation
UPC_CFI_497/2025	Jun 10, 2025	Biomerieux Deutschland	Counter Claim For Revocation
UPC_CFI_181/2025	Feb 28, 2025	Qiagen Sciences	Infringement

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
BIOMERIEUX	Dec 27, 2018	CABINET BEAU DE LOMENIE

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

Get instant alerts for new documents

Apr 26, 2022
Decision to maintain the European patent in amended form
Apr 26, 2022
Decision to maintain the European patent in amended form
Apr 21, 2022
Termination of the opposition proceedings with maintenance of patent
Apr 8, 2022
(Electronic) Receipt
Apr 8, 2022
Filing of the translation of the amended claims
Apr 8, 2022
French translation of claims
Apr 8, 2022
German translation of the claims
Apr 8, 2022
Letter accompanying subsequently filed items
Mar 8, 2022
Communication to opponent concerning maintenance
Mar 8, 2022
Communication with request to file translations
Mar 4, 2022
Communication of bibliographic data
Feb 22, 2022
Maintenance of the patent with the documents specified in the final decision
Feb 4, 2022
Maintenance of the patent with the documents specified in the final decision
Oct 29, 2021
Advice of delivery
Oct 22, 2021
Advice of delivery
Oct 21, 2021
Decision of the Opposition Division and instruction
Oct 21, 2021
Druckexemplar in opposition procedure
Oct 21, 2021
Grounds for the decision (Annex) - opposition
Oct 21, 2021
Interlocutory decision in opposition proceedings
Oct 21, 2021
Interlocutory decision in opposition proceedings
Oct 21, 2021
Means of redress
Oct 21, 2021
Transmittal of decision / summons - opposition
Oct 21, 2021
Transmittal of decision / summons - opposition
Aug 13, 2021
Communication of amended entries concerning the representative
Aug 5, 2021
Letter accompanying subsequently filed items
Aug 5, 2021
Submission concerning change of applicant's representative
Jul 29, 2021
Advice of delivery
Jul 29, 2021
Advice of delivery
Jul 27, 2021
Annex to the communication - opposition
Jul 27, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 27, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 27, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 27, 2021
Provision of a copy of the minutes - opposition procedure
Jul 27, 2021
Provision of a copy of the minutes - opposition procedure
Jul 27, 2021
Scanned annex to a communication - opposition procedure
Jul 27, 2021
Scanned annex to a communication - opposition procedure
Jul 27, 2021
Transmittal of decision / summons - opposition
Jul 27, 2021
Transmittal of decision / summons - opposition
Jul 7, 2021
Information about the result of oral proceedings
Jul 6, 2021
Brief communication - Opposition proceedings
Jul 5, 2021
Brief communication - Opposition proceedings
Jul 1, 2021
(Electronic) Receipt
Jul 1, 2021
Advice of delivery
Jul 1, 2021
Amended description with annotations
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure - 01
Jul 1, 2021
Auxiliary request during Opposition procedure - 01
Jul 1, 2021
Auxiliary request during Opposition procedure - 02
Jul 1, 2021
Auxiliary request during Opposition procedure - 03
Jul 1, 2021
Auxiliary request during Opposition procedure - 04
Jul 1, 2021
Auxiliary request during Opposition procedure - 05
Jul 1, 2021
Auxiliary request during Opposition procedure - 06
Jul 1, 2021
Auxiliary request during Opposition procedure - 07
Jul 1, 2021
Auxiliary request during Opposition procedure - 07
Jul 1, 2021
Auxiliary request during Opposition procedure - 08
Jul 1, 2021
Auxiliary request during Opposition procedure - 09
Jul 1, 2021
Auxiliary request during Opposition procedure - 10
Jul 1, 2021
Auxiliary request during Opposition procedure - 10
Jul 1, 2021
Auxiliary request during Opposition procedure - 11
Jul 1, 2021
Auxiliary request during Opposition procedure - 12
Jul 1, 2021
Auxiliary request during Opposition procedure - 13
Jul 1, 2021
Description
Jul 1, 2021
Letter accompanying subsequently filed items
Jul 1, 2021
Written submission in preparation to/during oral proceedings
Jun 30, 2021
(Electronic) Receipt
Jun 30, 2021
Letter accompanying subsequently filed items
Jun 30, 2021
Written submission in preparation to/during oral proceedings
Jun 28, 2021
Advice of delivery
Jun 25, 2021
Annex to the communication - opposition
Jun 25, 2021
Summons to attend oral proceedings
Jun 25, 2021
Summons to attend oral proceedings
Jun 25, 2021
Transmittal of decision / summons - opposition
Jun 25, 2021
Transmittal of decision / summons - opposition
Jun 24, 2021
Annex to the communication - opposition
Jun 24, 2021
Internal form - Opposition/addressees
Jun 24, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 24, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 24, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 24, 2021
Provision of a copy of the minutes - opposition procedure
Jun 24, 2021
Provision of a copy of the minutes - opposition procedure
Jun 21, 2021
Scanned annex to a communication - opposition procedure
Jun 21, 2021
Scanned annex to a communication - opposition procedure
Jun 17, 2021
Information about the result of oral proceedings
Jun 17, 2021
Information about the result of oral proceedings
Jun 14, 2021
Notification concerning the date of oral proceedings
Jun 14, 2021
Notification concerning the date of oral proceedings
Jun 1, 2021
Brief communication - Opposition proceedings
May 21, 2021
(Electronic) Receipt
May 21, 2021
Citation in opposition procedure - 036
May 21, 2021
Citation in opposition procedure - 037
May 21, 2021
Consolidated list of cited opposition documents
May 21, 2021
Letter accompanying subsequently filed items
May 21, 2021
Written submission in preparation to/during oral proceedings
Apr 26, 2021
Brief communication - Opposition proceedings
Apr 16, 2021
(Electronic) Receipt
Apr 16, 2021
Auxiliary request during Opposition procedure
Apr 16, 2021
Auxiliary request during Opposition procedure
Apr 16, 2021
Auxiliary request during Opposition procedure
Apr 16, 2021
Auxiliary request during Opposition procedure
Apr 16, 2021
Auxiliary request during Opposition procedure
Apr 16, 2021
Auxiliary request during Opposition procedure
Apr 16, 2021
Auxiliary request during Opposition procedure - 01
Apr 16, 2021
Auxiliary request during Opposition procedure - 07
Apr 16, 2021
Auxiliary request during Opposition procedure - 10
Apr 16, 2021
Auxiliary request during Opposition procedure - 11
Apr 16, 2021
Auxiliary request during Opposition procedure - 12
Apr 16, 2021
Auxiliary request during Opposition procedure - 13
Apr 16, 2021
Citation in opposition procedure - 035
Apr 16, 2021
Letter accompanying subsequently filed items
Apr 16, 2021
Written submission in preparation to/during oral proceedings
Mar 26, 2021
(Electronic) Receipt
Mar 26, 2021
Letter accompanying subsequently filed items
Mar 23, 2021
Brief communication - Opposition proceedings
Mar 15, 2021
(Electronic) Receipt
Mar 15, 2021
Letter accompanying subsequently filed items
Mar 15, 2021
Letter accompanying subsequently filed items
Mar 15, 2021
Request for interpreters during oral proceedings
Feb 3, 2021
Notification concerning the date of oral proceedings
Feb 3, 2021
Notification concerning the date of oral proceedings
Jan 29, 2021
Annex to the communication - opposition
Jan 29, 2021
Brief communication - Opposition proceedings
Jan 21, 2021
(Electronic) Receipt
Jan 21, 2021
Letter accompanying subsequently filed items
Jan 21, 2021
Written submission in preparation to/during oral proceedings
Jan 13, 2021
Brief communication - Opposition proceedings
Dec 18, 2020
(Electronic) Receipt
Dec 18, 2020
Letter accompanying subsequently filed items
Dec 18, 2020
Oral proceedings: Request for postponement
Oct 22, 2020
Advice of delivery
Oct 9, 2020
Advice of delivery
Oct 5, 2020
Acknowledgement of a document
Oct 5, 2020
Acknowledgement of a document
Oct 5, 2020
Annex to the communication - opposition
Oct 5, 2020
Summons to attend oral proceedings
Oct 5, 2020
Summons to attend oral proceedings
Sep 16, 2020
Notification concerning the date of oral proceedings
Sep 16, 2020
Notification concerning the date of oral proceedings
Sep 14, 2020
Brief communication - Opposition proceedings
Sep 14, 2020
Brief communication - Opposition proceedings
Sep 3, 2020
(Electronic) Receipt
Sep 3, 2020
(Electronic) Receipt
Sep 3, 2020
Citation in opposition procedure - 025
Sep 3, 2020
Citation in opposition procedure - 026
Sep 3, 2020
Citation in opposition procedure - 027
Sep 3, 2020
Citation in opposition procedure - 028
Sep 3, 2020
Citation in opposition procedure - 029
Sep 3, 2020
Citation in opposition procedure - 030
Sep 3, 2020
Citation in opposition procedure - 031
Sep 3, 2020
Citation in opposition procedure - 032
Sep 3, 2020
Citation in opposition procedure - 033
Sep 3, 2020
Citation in opposition procedure - 034
Sep 3, 2020
Letter accompanying subsequently filed items
Sep 3, 2020
Letter accompanying subsequently filed items
Sep 3, 2020
Oral proceedings: reply to date proposed
Sep 3, 2020
Oral proceedings: reply to date proposed
Jul 21, 2020
Notification concerning the date of oral proceedings
Jul 21, 2020
Notification concerning the date of oral proceedings
Dec 6, 2019
Advice of delivery
Dec 2, 2019
Advice of delivery
Nov 28, 2019
Acknowledgement of a document
Nov 28, 2019
Acknowledgement of a document
Nov 28, 2019
Annex to the communication - opposition
Nov 28, 2019
Information concerning oral proceedings
Nov 28, 2019
Scanned annex to a communication - opposition procedure
Nov 28, 2019
Summons to attend oral proceedings
Nov 28, 2019
Summons to attend oral proceedings
Nov 21, 2019
Information about the result of oral proceedings
Aug 5, 2019
Brief communication - Opposition proceedings
Jul 29, 2019
(Electronic) Receipt
Jul 29, 2019
Auxiliary request during Opposition procedure
Jul 29, 2019
Auxiliary request during Opposition procedure
Jul 29, 2019
Auxiliary request during Opposition procedure
Jul 29, 2019
Auxiliary request during Opposition procedure
Jul 29, 2019
Auxiliary request during Opposition procedure
Jul 29, 2019
Auxiliary request during Opposition procedure
Jul 29, 2019
Auxiliary request during Opposition procedure
Jul 29, 2019
Auxiliary request during Opposition procedure
Jul 29, 2019
Auxiliary request during Opposition procedure
Jul 29, 2019
Auxiliary request during Opposition procedure
Jul 29, 2019
Auxiliary request during Opposition procedure - 01
Jul 29, 2019
Auxiliary request during Opposition procedure - 02
Jul 29, 2019
Auxiliary request during Opposition procedure - 03
Jul 29, 2019
Auxiliary request during Opposition procedure - 04
Jul 29, 2019
Auxiliary request during Opposition procedure - 05
Jul 29, 2019
Auxiliary request during Opposition procedure - 06
Jul 29, 2019
Auxiliary request during Opposition procedure - 07
Jul 29, 2019
Auxiliary request during Opposition procedure - 08
Jul 29, 2019
Auxiliary request during Opposition procedure - 09
Jul 29, 2019
Auxiliary request during Opposition procedure - 10
Jul 29, 2019
Citation in opposition procedure - 019
Jul 29, 2019
Citation in opposition procedure - 020
Jul 29, 2019
Citation in opposition procedure - 021
Jul 29, 2019
Citation in opposition procedure - 022
Jul 29, 2019
Citation in opposition procedure - 023
Jul 29, 2019
Citation in opposition procedure - 024
Jul 29, 2019
Letter accompanying subsequently filed items
Jul 29, 2019
Main request during Opposition procedure
Jul 29, 2019
Main request during Opposition procedure
Jul 29, 2019
Reply of the patent proprietor to the notice(s) of opposition
May 21, 2019
Brief communication - Opposition proceedings
May 21, 2019
Grant of extension of time limit (opposition procedure)
May 20, 2019
Brief communication - Opposition proceedings
May 10, 2019
(Electronic) Receipt
May 10, 2019
Letter accompanying subsequently filed items
May 10, 2019
Request for extension of time limit
Feb 4, 2019
Refund of fees
Jan 17, 2019
Communication of a notice of opposition and request to file observations
Jan 17, 2019
Notice of further oppositions to opponent(s)
Jan 9, 2019
Communication of a notice of opposition - first information to patent proprietor
Dec 31, 2018
(Electronic) Receipt
Dec 31, 2018
Any annexes (other than citation) to an opposition letter
Dec 31, 2018
Citation in opposition procedure
Dec 31, 2018
Citation in opposition procedure - 001
Dec 31, 2018
Citation in opposition procedure - 002
Dec 31, 2018
Citation in opposition procedure - 003
Dec 31, 2018
Citation in opposition procedure - 004
Dec 31, 2018
Citation in opposition procedure - 005
Dec 31, 2018
Citation in opposition procedure - 006
Dec 31, 2018
Citation in opposition procedure - 009
Dec 31, 2018
Citation in opposition procedure - 010
Dec 31, 2018
Citation in opposition procedure - 011
Dec 31, 2018
Citation in opposition procedure - 012
Dec 31, 2018
Citation in opposition procedure - 013
Dec 31, 2018
Citation in opposition procedure - 014
Dec 31, 2018
Citation in opposition procedure - 015
Dec 31, 2018
Citation in opposition procedure - 016
Dec 31, 2018
Citation in opposition procedure - 017
Dec 31, 2018
Citation in opposition procedure - 018
Dec 31, 2018
Notice of opposition
Dec 31, 2018
Notice of opposition
Dec 28, 2018
Citation in opposition procedure - 007
Dec 28, 2018
Citation in opposition procedure - 008
Dec 28, 2018
Letter regarding the opposition procedure (no time limit)
Dec 27, 2018
Any annexes (other than citation) to an opposition letter
Dec 27, 2018
Letter regarding the opposition procedure (no time limit)
Dec 27, 2018
Letter regarding the opposition procedure (no time limit)
Dec 27, 2018
Letter regarding the opposition procedure (no time limit)
Dec 27, 2018
Non-patent literature cited during the opposition procedure
Dec 27, 2018
Notice of opposition
Apr 10, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 1, 2018
Decision to grant a European patent
Feb 13, 2018
(Electronic) Receipt
Feb 13, 2018
Filing of the translations of the claims
Feb 13, 2018
French translation of claims
Feb 13, 2018
German translation of the claims
Feb 13, 2018
Letter accompanying subsequently filed items
Nov 6, 2017
Bibliographic data of the European patent application
Nov 6, 2017
Communication about intention to grant a European patent
Nov 6, 2017
Intention to grant (signatures)
Nov 6, 2017
Text intended for grant (clean copy)
Nov 6, 2017
Text intended for grant (version for approval)
Sep 15, 2017
(Electronic) Receipt
Sep 15, 2017
Letter accompanying subsequently filed items
Sep 15, 2017
Reply from applicant/patentee regarding third party observations
Aug 15, 2017
(Electronic) Receipt
Aug 15, 2017
Letter accompanying subsequently filed items
Aug 15, 2017
Reply from applicant/patentee regarding third party observations
Jul 5, 2017
Acknowledgement of receipt of third party observations
Jul 5, 2017
Transmittal of third party observations to applicant
Jun 29, 2017
(Electronic) Receipt
Jun 29, 2017
Letter accompanying subsequently filed items
Jun 29, 2017
Non-patent literature filed by a third party
Jun 29, 2017
Non-patent literature filed by a third party
Jun 29, 2017
Non-patent literature filed by a third party
Jun 29, 2017
Non-patent literature filed by a third party
Jun 29, 2017
Observations by third parties
Apr 18, 2017
(Electronic) Receipt
Apr 18, 2017
Annex
Apr 18, 2017
Letter accompanying subsequently filed items
Apr 18, 2017
Reply to communication from the Examining Division
Mar 3, 2017
Annex to the communication
Mar 3, 2017
Communication from the Examining Division
Dec 1, 2016
(Electronic) Receipt
Dec 1, 2016
Amended claims with annotations
Dec 1, 2016
Amended description with annotations
Dec 1, 2016
Claims
Dec 1, 2016
Description
Dec 1, 2016
Letter accompanying subsequently filed items
Dec 1, 2016
Reply to communication from the Examining Division
Oct 11, 2016
Annex to the communication
Oct 11, 2016
Communication from the Examining Division
Jun 9, 2016
(Electronic) Receipt
Jun 9, 2016
Amended claims with annotations
Jun 9, 2016
Claims
Jun 9, 2016
Letter accompanying subsequently filed items
Jun 9, 2016
Reply to communication from the Examining Division
May 3, 2016
Grant of extension of time limit (examination procedure)
Apr 27, 2016
(Electronic) Receipt
Apr 27, 2016
Letter accompanying subsequently filed items
Apr 27, 2016
Request for extension of time limit to communication from the Examining Division
Dec 17, 2015
Annex to the communication
Dec 17, 2015
Communication from the Examining Division
Dec 7, 2015
Examination started
Aug 14, 2015
(Electronic) Receipt
Aug 14, 2015
Amended claims filed after receipt of (European) search report
Aug 14, 2015
Amended claims with annotations
Aug 14, 2015
Amendments received before examination
Aug 14, 2015
Letter accompanying subsequently filed items
Feb 6, 2015
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jan 21, 2015
Communication regarding the transmission of the European search report
Jan 21, 2015
European search opinion
Jan 21, 2015
Supplementary European search report
Jan 7, 2015
Search started
Apr 9, 2014
Notification on forthcoming publication of bibliographic data
Feb 7, 2014
Communication regarding possible amendment of the application/payment of claims fee
Feb 5, 2014
Communication to designated inventor
Jan 22, 2014
(Electronic) Receipt
Jan 22, 2014
Amended claims filed after receipt of (European) search report
Jan 22, 2014
Amended claims with annotations
Jan 22, 2014
Request for entry into the European phase
Jan 21, 2014
Copy of the international preliminary report on patentability
Nov 8, 2013
Information on entry into European phase
Jan 22, 2013
Priority document (electronically transmitted)
Jan 3, 2013
Copy of the international search report
Jan 3, 2013
Published international application - A1

EP2726883

CELLESTIS

Application Number: EP12804281A
Filing Date: Jun 27, 2012
Status: Patent Maintained As Amended; Apr 15, 2022
Publication Date: May 18, 2022
External Links: Slate, Register , Google Patents

IP Verse

A Cell Mediated Immune Response Assay With Enhanced Sensitivity

Patent Summary

UPC Cases New

Patent Family

Patent Oppositions

Dossier Documents

EP2726883