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Liposomes With Lipids Having An Advantageous Pka- Value For Rna Delivery

Patent No. EP2590626 (titled "Liposomes With Lipids Having An Advantageous Pka- Value For Rna Delivery") was filed by Glaxosmithkline on Jul 6, 2011. The application was issued on Oct 28, 2015.

UPC Cases New

Latest UPC cases involving this patent.

Case Number	Filing Date	Plaintiff	Proceeding Type
UPC_CFI_616/2025	Nov 6, 2025	Glaxosmithkline	Infringement
UPC_CFI_620/2025	Jul 3, 2025	Glaxosmithkline	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
DENNEMEYER & ASSOCIATES	Jul 28, 2016	SYNERGY GROUP

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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Sep 3, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Aug 31, 2021
Termination of the opposition proceedings with maintenance of patent
May 21, 2021
(Electronic) Receipt
May 21, 2021
Advice of delivery
May 21, 2021
Letter accompanying subsequently filed items
May 20, 2021
Acknowledgement of receipt of third party observations
May 20, 2021
Transmittal of third party observations to applicant
May 19, 2021
Annex to the communication - opposition
May 19, 2021
Brief communication - Opposition proceedings
May 19, 2021
Decision to discontinue the opposition proceedings
May 19, 2021
Transmittal of decision / summons - opposition
May 14, 2021
(Electronic) Receipt
May 14, 2021
Letter accompanying subsequently filed items
May 14, 2021
Observations by third parties
Apr 16, 2021
(Electronic) Receipt
Apr 16, 2021
Letter accompanying subsequently filed items
Apr 16, 2021
Reply from applicant/patentee regarding third party observations
Apr 7, 2021
Communication of amended entries concerning the representative
Mar 29, 2021
Submission concerning change of applicant's representative
Feb 4, 2021
Acknowledgement of receipt of third party observations
Feb 4, 2021
Transmittal of third party observations to applicant
Jan 29, 2021
(Electronic) Receipt
Jan 29, 2021
Advice of delivery
Jan 29, 2021
Letter accompanying subsequently filed items
Jan 26, 2021
Communication about missing proof of delivery
Jan 14, 2021
(Electronic) Receipt
Jan 14, 2021
F3936 Acknowledgement of receipt Board of Appeal
Jan 14, 2021
Letter accompanying subsequently filed items
Jan 11, 2021
(Electronic) Receipt
Jan 11, 2021
Citation filed by a third party
Jan 11, 2021
Letter accompanying subsequently filed items
Jan 11, 2021
Observations by third parties
Dec 21, 2020
Decision of the Board of Appeal
Dec 21, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Dec 21, 2020
F3032 Notification(s) of the decision
Dec 15, 2020
F3014 Oral Proceedings: Order cancelling/postponing
Dec 10, 2020
(Electronic) Receipt
Dec 10, 2020
Letter accompanying subsequently filed items
Dec 10, 2020
Letter dealing with oral proceedings during the appeal procedure
Nov 16, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 12, 2020
F3348 Confirmation of withdrawal of the opposition by the respondent and former opponent
Nov 6, 2020
(Electronic) Receipt
Nov 6, 2020
Letter accompanying subsequently filed items
Nov 6, 2020
Withdrawal of an opposition
Oct 28, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 28, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 3, 2020
(Electronic) Receipt
Sep 3, 2020
F3936 Acknowledgement of receipt Board of Appeal
Sep 3, 2020
Letter accompanying subsequently filed items
Aug 25, 2020
F3936 Acknowledgement of receipt Board of Appeal
Aug 20, 2020
F3011.1 Oral Proceedings: summons
Aug 20, 2020
F3011.1 Oral Proceedings: summons
Aug 17, 2020
F3010 Oral proceedings: order for summons
Aug 17, 2020
F3303.16 Change of composition of the Board (T)
Jul 7, 2020
F3303.16 Change of composition of the Board (T)
Feb 13, 2019
Composition of the board (T)
Jan 17, 2019
F3345 Forwarding of submissions to parties
Jan 15, 2019
F3345 Forwarding of submissions to parties
Jan 2, 2019
(Electronic) Receipt
Jan 2, 2019
Letter accompanying subsequently filed items
Jan 2, 2019
Reply to appeal
Jan 2, 2019
Reply to appeal
Aug 29, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 23, 2018
(Electronic) Receipt
Aug 23, 2018
Amended claims with annotations
Aug 23, 2018
Amended claims with annotations
Aug 23, 2018
Claims
Aug 23, 2018
Claims
Aug 23, 2018
Letter accompanying subsequently filed items
Aug 23, 2018
Statement of grounds of appeal
Jun 29, 2018
(Electronic) Receipt
Jun 29, 2018
Advice of delivery
Jun 29, 2018
F3204 Communication of the file number to the parties
Jun 29, 2018
Letter accompanying subsequently filed items
Jun 25, 2018
(Electronic) Receipt
Jun 25, 2018
Letter accompanying subsequently filed items
Jun 25, 2018
Notice of appeal
Jun 25, 2018
Processing of an appeal
Jun 22, 2018
Communication about missing advice of delivery
May 18, 2018
Communication about missing advice of delivery
May 14, 2018
Advice of delivery
Apr 30, 2018
Advice of delivery
Apr 13, 2018
Acknowledgement of a document
Apr 13, 2018
Acknowledgement of a document
Apr 13, 2018
Annex to the communication - opposition
Apr 13, 2018
Decision of the Opposition Division and instruction
Apr 13, 2018
Decision revoking the European patent
Apr 13, 2018
Grounds for the decision (Annex) - opposition
Apr 13, 2018
Internal form - Opposition/addressees
Apr 13, 2018
Internal form - Opposition/addressees
Apr 13, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 13, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 13, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 13, 2018
Provision of a copy of the minutes - opposition procedure
Apr 13, 2018
Scanned annex to a communication - opposition procedure
Mar 14, 2018
Information about the result of oral proceedings
Mar 6, 2018
Brief communication - Opposition proceedings
Mar 1, 2018
Brief communication - Opposition proceedings
Mar 1, 2018
Brief communication - Opposition proceedings
Feb 28, 2018
(Electronic) Receipt
Feb 28, 2018
Any annexes (other than citation) to an opposition letter
Feb 28, 2018
Letter accompanying subsequently filed items
Feb 28, 2018
Written submission in preparation to/during oral proceedings
Feb 9, 2018
Brief communication - Opposition proceedings
Feb 9, 2018
Communication of amended entries
Feb 5, 2018
(Electronic) Receipt
Feb 5, 2018
Authorisation
Feb 5, 2018
Letter accompanying subsequently filed items
Feb 5, 2018
Request for change of opponent's representative
Jan 19, 2018
Brief communication - Opposition proceedings
Jan 19, 2018
Brief communication - Opposition proceedings
Jan 12, 2018
(Electronic) Receipt
Jan 12, 2018
(Electronic) Receipt
Jan 12, 2018
Auxiliary request during Opposition procedure
Jan 12, 2018
Auxiliary request during Opposition procedure
Jan 12, 2018
Auxiliary request during Opposition procedure
Jan 12, 2018
Auxiliary request during Opposition procedure
Jan 12, 2018
Auxiliary request during Opposition procedure
Jan 12, 2018
Auxiliary request during Opposition procedure
Jan 12, 2018
Auxiliary request during Opposition procedure
Jan 12, 2018
Auxiliary request during Opposition procedure
Jan 12, 2018
Auxiliary request during Opposition procedure
Jan 12, 2018
Auxiliary request during Opposition procedure
Jan 12, 2018
Auxiliary request during Opposition procedure
Jan 12, 2018
Auxiliary request during Opposition procedure - 01
Jan 12, 2018
Auxiliary request during Opposition procedure - 02
Jan 12, 2018
Auxiliary request during Opposition procedure - 03
Jan 12, 2018
Auxiliary request during Opposition procedure - 04
Jan 12, 2018
Auxiliary request during Opposition procedure - 05
Jan 12, 2018
Auxiliary request during Opposition procedure - 06
Jan 12, 2018
Auxiliary request during Opposition procedure - 07
Jan 12, 2018
Auxiliary request during Opposition procedure - 08
Jan 12, 2018
Auxiliary request during Opposition procedure - 09
Jan 12, 2018
Auxiliary request during Opposition procedure - 10
Jan 12, 2018
Auxiliary request during Opposition procedure - 11
Jan 12, 2018
Brief communication - Opposition proceedings
Jan 12, 2018
Citation in opposition procedure - 026
Jan 12, 2018
Citation in opposition procedure - 027
Jan 12, 2018
Citation in opposition procedure - 028
Jan 12, 2018
Citation in opposition procedure - 029
Jan 12, 2018
Citation in opposition procedure - 030
Jan 12, 2018
Consolidated list of cited opposition documents
Jan 12, 2018
Letter accompanying subsequently filed items
Jan 12, 2018
Letter accompanying subsequently filed items
Jan 12, 2018
Written submission in preparation to/during oral proceedings
Jan 12, 2018
Written submission in preparation to/during oral proceedings
Jan 8, 2018
(Electronic) Receipt
Jan 8, 2018
Request for interpreters during oral proceedings
Sep 29, 2017
(Electronic) Receipt
Sep 29, 2017
Advice of delivery
Sep 29, 2017
Letter accompanying subsequently filed items
Aug 11, 2017
Communication about missing advice of delivery
Jul 11, 2017
Advice of delivery
Jul 11, 2017
Advice of delivery
Jul 6, 2017
Acknowledgement of a document
Jul 6, 2017
Acknowledgement of a document
Jul 6, 2017
Annex to the communication - opposition
Jul 6, 2017
Information concerning oral proceedings
Jul 6, 2017
Preparation for oral proceedings
Jul 6, 2017
Summons to attend oral proceedings
Jul 6, 2017
Summons to attend oral proceedings
Jun 21, 2017
Refund of fees
May 17, 2017
(Electronic) Receipt
May 17, 2017
Annexes in respect of a client data request
May 17, 2017
Authorisation
May 17, 2017
Letter accompanying subsequently filed items
May 17, 2017
Submission concerning a transfer of rights (applicant)
Mar 21, 2017
Brief communication - Opposition proceedings
Mar 16, 2017
Communication of amended entries concerning the representative
Mar 15, 2017
(Electronic) Receipt
Mar 15, 2017
Auxiliary request during Opposition procedure
Mar 15, 2017
Auxiliary request during Opposition procedure
Mar 15, 2017
Auxiliary request during Opposition procedure
Mar 15, 2017
Auxiliary request during Opposition procedure
Mar 15, 2017
Auxiliary request during Opposition procedure
Mar 15, 2017
Auxiliary request during Opposition procedure
Mar 15, 2017
Auxiliary request during Opposition procedure
Mar 15, 2017
Auxiliary request during Opposition procedure
Mar 15, 2017
Auxiliary request during Opposition procedure - 02
Mar 15, 2017
Auxiliary request during Opposition procedure - 03
Mar 15, 2017
Auxiliary request during Opposition procedure - 04
Mar 15, 2017
Auxiliary request during Opposition procedure - 05
Mar 15, 2017
Auxiliary request during Opposition procedure - 06
Mar 15, 2017
Auxiliary request during Opposition procedure - 07
Mar 15, 2017
Auxiliary request during Opposition procedure - 08
Mar 15, 2017
Auxiliary request during Opposition procedure - 09
Mar 15, 2017
Citation in opposition procedure - 025
Mar 15, 2017
Letter accompanying subsequently filed items
Mar 15, 2017
Main request during Opposition procedure
Mar 15, 2017
Main request during Opposition procedure
Mar 15, 2017
Reply of the patent proprietor to the notice(s) of opposition
Feb 28, 2017
Submission concerning change of applicant's representative
Jan 5, 2017
Brief communication - Opposition proceedings
Jan 5, 2017
Grant of extension of time limit (opposition procedure)
Dec 28, 2016
(Electronic) Receipt
Dec 28, 2016
Letter accompanying subsequently filed items
Dec 28, 2016
Request for extension of time limit
Sep 5, 2016
Communication of a notice of opposition and request to file observations
Sep 5, 2016
Notice of further oppositions to opponent(s)
Aug 9, 2016
Communication of a notice of opposition - first information to patent proprietor
Jul 28, 2016
(Electronic) Receipt
Jul 28, 2016
Any annexes (other than citation) to an opposition letter
Jul 28, 2016
Citation in opposition procedure - 001
Jul 28, 2016
Citation in opposition procedure - 002
Jul 28, 2016
Citation in opposition procedure - 003
Jul 28, 2016
Citation in opposition procedure - 004
Jul 28, 2016
Citation in opposition procedure - 005
Jul 28, 2016
Citation in opposition procedure - 006
Jul 28, 2016
Citation in opposition procedure - 007
Jul 28, 2016
Citation in opposition procedure - 008
Jul 28, 2016
Citation in opposition procedure - 009
Jul 28, 2016
Citation in opposition procedure - 010
Jul 28, 2016
Citation in opposition procedure - 011
Jul 28, 2016
Citation in opposition procedure - 012
Jul 28, 2016
Citation in opposition procedure - 013
Jul 28, 2016
Citation in opposition procedure - 014
Jul 28, 2016
Citation in opposition procedure - 015
Jul 28, 2016
Citation in opposition procedure - 016
Jul 28, 2016
Citation in opposition procedure - 017
Jul 28, 2016
Citation in opposition procedure - 018
Jul 28, 2016
Citation in opposition procedure - 019
Jul 28, 2016
Citation in opposition procedure - 020
Jul 28, 2016
Citation in opposition procedure - 021
Jul 28, 2016
Citation in opposition procedure - 022
Jul 28, 2016
Citation in opposition procedure - 023
Jul 28, 2016
Citation in opposition procedure - 024
Jul 28, 2016
Notice of opposition
Jul 28, 2016
Notice of opposition
May 17, 2016
Communication of amended entries concerning the representative
Apr 26, 2016
Submission concerning change of applicant's representative
Oct 29, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 1, 2015
Decision to grant a European patent
Sep 14, 2015
Communication confirming withdrawal from representation
Sep 14, 2015
Communication of amended entries concerning the representative
Sep 14, 2015
Communication of the registration of a transfer or change of name and/or address
Aug 26, 2015
Submission concerning a transfer of rights (applicant)
Jul 29, 2015
Filing of the translations of the claims
Jul 29, 2015
French translation of claims
Jul 29, 2015
German translation of the claims
Jul 29, 2015
Payment of fees and costs
Jul 24, 2015
(Electronic) Receipt
Jul 24, 2015
Annex
Jul 24, 2015
Annex
Jul 24, 2015
Letter accompanying subsequently filed items
Jul 24, 2015
Submission concerning a transfer of rights (applicant)
Apr 7, 2015
Bibliographic data of the European patent application
Apr 7, 2015
Communication about intention to grant a European patent
Apr 7, 2015
Intention to grant (signatures)
Apr 7, 2015
Text intended for grant (clean copy)
Apr 7, 2015
Text intended for grant (version for approval)
Mar 23, 2015
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 16, 2015
(Electronic) Receipt
Mar 16, 2015
Amended description with annotations
Mar 16, 2015
Description
Mar 16, 2015
Letter accompanying subsequently filed items
Mar 16, 2015
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Nov 6, 2014
Bibliographic data of the European patent application
Nov 6, 2014
Communication about intention to grant a European patent
Nov 6, 2014
Intention to grant (signatures)
Nov 6, 2014
Text intended for grant (clean copy)
Nov 6, 2014
Text intended for grant (version for approval)
Aug 27, 2014
(Electronic) Receipt
Aug 27, 2014
Claims
Aug 27, 2014
Description
Aug 27, 2014
Letter accompanying subsequently filed items
Aug 27, 2014
Reply to communication from the Examining Division
Jun 23, 2014
Annex to the communication
Jun 23, 2014
Communication from the Examining Division
May 13, 2014
(Electronic) Receipt
May 13, 2014
Amended claims with annotations
May 13, 2014
Claims
May 13, 2014
Letter accompanying subsequently filed items
May 13, 2014
Reply to communication from the Examining Division
Jan 16, 2014
Annex to the communication
Jan 16, 2014
Communication from the Examining Division
Jan 7, 2014
Examination started
Aug 22, 2013
(Electronic) Receipt
Aug 22, 2013
Amended claims filed after receipt of (European) search report
Aug 22, 2013
Amended claims with annotations
Aug 22, 2013
Amended description with annotations
Aug 22, 2013
Amendments received before examination
Aug 22, 2013
Description
Aug 22, 2013
Letter accompanying subsequently filed items
Jun 26, 2013
CDS Clean up - amended data concerning the representative of the applicant (Association)
Jun 6, 2013
Submission concerning representation
Apr 17, 2013
Notification on forthcoming publication of bibliographic data
Feb 15, 2013
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Feb 13, 2013
Communication to designated inventor
Feb 6, 2013
(Electronic) Receipt
Feb 6, 2013
Amended claims filed after receipt of (European) search report
Feb 6, 2013
Amended claims with annotations
Feb 6, 2013
Request for entry into the European phase
Jan 23, 2013
Copy of the international preliminary report on patentability
Jan 18, 2013
Notification of the recording of a change
Nov 16, 2012
Information on entry into European phase
Feb 2, 2012
Priority document (electronically transmitted)
Feb 2, 2012
Priority document (electronically transmitted)
Jan 12, 2012
Copy of the international search report
Jan 12, 2012
Published international application - A1
Sep 26, 2011
Written opinion of the ISA, boxes No. I to VIII
Sep 26, 2011
Written opinion of the ISA, cover sheet
Sep 26, 2011
Written opinion of the ISA, supplemental box
Jul 14, 2011
Abstract
Jul 14, 2011
Claims
Jul 14, 2011
Description
Jul 14, 2011
Drawings

EP2590626

GLAXOSMITHKLINE

Application Number: EP11736500A
Filing Date: Jul 6, 2011
Status: Granted And Under Opposition; Apr 12, 2018
Publication Date: Oct 28, 2015
External Links: Slate, EP2590626B1, Google Patents

IP Verse

Liposomes With Lipids Having An Advantageous Pka- Value For Rna Delivery

Patent Summary

UPC Cases New

Patent Family

Patent Oppositions

Dossier Documents

EP2590626