Packet-Wise Proportioning Followed By Immediate Longitudinal Mixing

Patent No. EP2737379 (titled "Packet-Wise Proportioning Followed By Immediate Longitudinal Mixing") was filed by Agilent on Jul 27, 2011. The application was issued on Dec 19, 2018.

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
DIONEX SOFTRON	Sep 19, 2019	STELLBRINK & PARTNER

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 15, 2025
(Electronic) Receipt
Jul 15, 2025
French translation of claims
Jul 15, 2025
German translation of the claims
Jul 15, 2025
Letter accompanying subsequently filed items
Apr 15, 2025
Communication of bibliographic data
Apr 15, 2025
Communication with request to file translations
Apr 7, 2025
Maintenance of the patent with the documents specified in the final decision
Nov 8, 2024
Brief communication - Opposition proceedings
Nov 8, 2024
Druckexemplar in opposition procedure
Nov 8, 2024
Grounds for the decision (Annex) - opposition
Nov 8, 2024
Interlocutory decision in opposition proceedings
Nov 8, 2024
Means of redress
Nov 7, 2024
Decision of the Opposition Division and instruction
Oct 28, 2024
(Electronic) Receipt
Oct 28, 2024
Amended description with annotations
Oct 28, 2024
Description
Oct 28, 2024
Letter accompanying subsequently filed items
Oct 28, 2024
Reply to an examination report in opposition proceedings
Sep 11, 2024
Annex to the communication - opposition
Sep 11, 2024
Brief communication - Opposition proceedings
Sep 11, 2024
Communication inviting the parties to file observations
Jul 1, 2024
(Electronic) Receipt
Jul 1, 2024
Amended description with annotations
Jul 1, 2024
Description
Jul 1, 2024
Letter accompanying subsequently filed items
Jul 1, 2024
Reply to an examination report in opposition proceedings
Mar 26, 2024
Annex to the communication - opposition
Mar 26, 2024
Brief communication - Opposition proceedings
Mar 26, 2024
Communication inviting the parties to file observations
Nov 14, 2023
(Electronic) Receipt
Nov 14, 2023
Letter accompanying subsequently filed items
Nov 14, 2023
Letter regarding the opposition procedure (no time limit)
Nov 7, 2023
Advice of delivery
Oct 30, 2023
Decision of the Board of Appeal
Oct 30, 2023
F3032 Notification(s) of the decision
Oct 10, 2023
F3013 Oral Proceedings: Forwarding minutes
Oct 10, 2023
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Aug 29, 2023
(Electronic) Receipt
Aug 29, 2023
Letter accompanying subsequently filed items
Aug 29, 2023
Request for interpreters during oral proceedings
Aug 9, 2023
F3022 Oral proceedings: change of board composition
Aug 4, 2023
F3303.16 Change of composition of the Board (T)
Jul 19, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 30, 2022
F3004 Communication of the Registry
Jun 30, 2022
F3345 Forwarding of submissions to parties
Jun 16, 2022
(Electronic) Receipt
Jun 16, 2022
Letter accompanying subsequently filed items
Jun 16, 2022
Letter relating to Appeal Procedure
Jun 8, 2022
Advice of delivery
Jun 2, 2022
F3011.1 Oral Proceedings: summons
Jun 2, 2022
F3011.1 Oral Proceedings: summons
Jun 2, 2022
Standard Communication Rule 103 (2) EPC
Jun 2, 2022
Standard Communication Rule 103 (2) EPC
May 30, 2022
F3010 Oral proceedings: order for summons
May 2, 2022
Composition of the board (T)
Jun 2, 2021
(Electronic) Receipt
Jun 2, 2021
Amended claims with annotations
Jun 2, 2021
Amended claims with annotations
Jun 2, 2021
Amended claims with annotations
Jun 2, 2021
Auxiliary request during appeals procedure - 01
Jun 2, 2021
Auxiliary request during appeals procedure - 02
Jun 2, 2021
Auxiliary request during appeals procedure - 03
Jun 2, 2021
Letter accompanying subsequently filed items
Jun 2, 2021
Non-Patent Literature cited during the appeal procedure
Jun 2, 2021
Statement of grounds of appeal
Apr 19, 2021
F3204 Communication of the file number to the parties
Mar 29, 2021
(Electronic) Receipt
Mar 29, 2021
Letter accompanying subsequently filed items
Mar 29, 2021
Notice of appeal
Feb 9, 2021
Advice of delivery
Feb 2, 2021
Annex to the communication - opposition
Feb 2, 2021
Decision of the Opposition Division and instruction
Feb 2, 2021
Decision of the Opposition Division and instruction
Feb 2, 2021
Druckexemplar in opposition procedure
Feb 2, 2021
Grounds for the decision (Annex) - opposition
Feb 2, 2021
Interlocutory decision in opposition proceedings
Feb 2, 2021
Internal form - Opposition/addressees
Feb 2, 2021
Means of redress
Feb 2, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 2, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 2, 2021
Provision of a copy of the minutes - opposition procedure
Feb 2, 2021
Provision of a copy of the minutes - opposition procedure
Feb 2, 2021
Scanned annex to a communication - opposition procedure
Feb 2, 2021
Scanned annex to a communication - opposition procedure
Feb 2, 2021
Scanned annex to a communication - opposition procedure
Feb 2, 2021
Scanned annex to a communication - opposition procedure
Feb 2, 2021
Scanned annex to a communication - opposition procedure
Feb 2, 2021
Scanned annex to a communication - opposition procedure
Feb 2, 2021
Scanned annex to a communication - opposition procedure
Feb 2, 2021
Scanned annex to a communication - opposition procedure
Feb 2, 2021
Scanned annex to a communication - opposition procedure
Feb 2, 2021
Scanned annex to a communication - opposition procedure
Feb 2, 2021
Transmittal of decision / summons - opposition
Jan 29, 2021
Brief communication - Opposition proceedings
Jan 29, 2021
Brief communication - Opposition proceedings
Jan 18, 2021
Brief communication - Opposition proceedings
Jan 14, 2021
Brief communication - Opposition proceedings
Jan 13, 2021
Information about the result of oral proceedings
Jan 12, 2021
Brief communication - Opposition proceedings
Jan 12, 2021
Brief communication - Opposition proceedings
Jan 7, 2021
Citation in opposition procedure
Jan 7, 2021
Citation in opposition procedure
Jan 7, 2021
Letter regarding the opposition procedure (no time limit)
Jan 7, 2021
Non-scannable object
Dec 24, 2020
(Electronic) Receipt
Dec 24, 2020
Citation in opposition procedure - 006
Dec 24, 2020
Citation in opposition procedure - 014
Dec 24, 2020
Citation in opposition procedure - 015
Dec 24, 2020
Citation in opposition procedure - 015
Dec 24, 2020
Citation in opposition procedure - 016
Dec 24, 2020
Citation in opposition procedure - 017
Dec 24, 2020
Citation in opposition procedure - 018
Dec 24, 2020
Consolidated list of cited opposition documents
Dec 24, 2020
Letter accompanying subsequently filed items
Dec 24, 2020
Written submission in preparation to/during oral proceedings
Dec 21, 2020
Brief communication - Opposition proceedings
Dec 21, 2020
Brief communication - Opposition proceedings
Dec 21, 2020
Brief communication - Opposition proceedings
Dec 21, 2020
Brief communication - Opposition proceedings
Dec 4, 2020
Notification concerning the date of oral proceedings
Dec 4, 2020
Notification concerning the date of oral proceedings
Nov 19, 2020
Brief communication - Opposition proceedings
Nov 18, 2020
Brief communication - Opposition proceedings
Nov 13, 2020
(Electronic) Receipt
Nov 13, 2020
(Electronic) Receipt
Nov 13, 2020
Auxiliary request during Opposition procedure
Nov 13, 2020
Auxiliary request during Opposition procedure
Nov 13, 2020
Auxiliary request during Opposition procedure
Nov 13, 2020
Auxiliary request during Opposition procedure
Nov 13, 2020
Auxiliary request during Opposition procedure
Nov 13, 2020
Auxiliary request during Opposition procedure
Nov 13, 2020
Auxiliary request during Opposition procedure
Nov 13, 2020
Auxiliary request during Opposition procedure
Nov 13, 2020
Auxiliary request during Opposition procedure
Nov 13, 2020
Auxiliary request during Opposition procedure - 01
Nov 13, 2020
Auxiliary request during Opposition procedure - 02
Nov 13, 2020
Auxiliary request during Opposition procedure - 03
Nov 13, 2020
Auxiliary request during Opposition procedure - 04
Nov 13, 2020
Auxiliary request during Opposition procedure - 05
Nov 13, 2020
Auxiliary request during Opposition procedure - 06
Nov 13, 2020
Auxiliary request during Opposition procedure - 07
Nov 13, 2020
Auxiliary request during Opposition procedure - 08
Nov 13, 2020
Auxiliary request during Opposition procedure - 09
Nov 13, 2020
Citation in opposition procedure - 009
Nov 13, 2020
Citation in opposition procedure - 012
Nov 13, 2020
Citation in opposition procedure - 013
Nov 13, 2020
Letter accompanying subsequently filed items
Nov 13, 2020
Letter accompanying subsequently filed items
Nov 13, 2020
Letter regarding the opposition procedure (no time limit)
Nov 13, 2020
Written submission in preparation to/during oral proceedings
Nov 13, 2020
Written submission in preparation to/during oral proceedings
Oct 21, 2020
Notification concerning the date of oral proceedings
Oct 21, 2020
Notification concerning the date of oral proceedings
May 12, 2020
Advice of delivery
May 6, 2020
Advice of delivery
Apr 30, 2020
Annex to the communication - opposition
Apr 30, 2020
Summons to attend oral proceedings
Apr 30, 2020
Summons to attend oral proceedings
Mar 6, 2020
Brief communication - Opposition proceedings
Mar 3, 2020
(Electronic) Receipt
Mar 3, 2020
Letter accompanying subsequently filed items
Mar 3, 2020
Letter regarding the opposition procedure (no time limit)
Feb 10, 2020
Brief communication - Opposition proceedings
Feb 4, 2020
(Electronic) Receipt
Feb 4, 2020
Letter regarding the opposition procedure (no time limit)
Feb 4, 2020
Reply of the patent proprietor to the notice(s) of opposition
Oct 7, 2019
Communication of a notice of opposition and request to file observations
Oct 7, 2019
Notice of further oppositions to opponent(s)
Sep 25, 2019
Communication of a notice of opposition - first information to patent proprietor
Sep 19, 2019
(Electronic) Receipt
Sep 19, 2019
Citation in opposition procedure - 001
Sep 19, 2019
Citation in opposition procedure - 002
Sep 19, 2019
Citation in opposition procedure - 003
Sep 19, 2019
Citation in opposition procedure - 004
Sep 19, 2019
Citation in opposition procedure - 005
Sep 19, 2019
Citation in opposition procedure - 006
Sep 19, 2019
Citation in opposition procedure - 007
Sep 19, 2019
Citation in opposition procedure - 008
Sep 19, 2019
Citation in opposition procedure - 009
Sep 19, 2019
Citation in opposition procedure - 010
Sep 19, 2019
Citation in opposition procedure - 011
Sep 19, 2019
Letter accompanying subsequently filed items
Sep 19, 2019
Notice of opposition
Sep 19, 2019
Notice of opposition
Sep 19, 2019
Patent document cited during the opposition procedure
Sep 19, 2019
Patent document cited during the opposition procedure
Sep 19, 2019
Published international application - A2
Jan 3, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 22, 2018
Decision to grant a European patent
Nov 7, 2018
(Electronic) Receipt
Nov 7, 2018
French translation of claims
Nov 7, 2018
German translation of the claims
Nov 7, 2018
Letter accompanying subsequently filed items
Jul 13, 2018
Bibliographic data of the European patent application
Jul 13, 2018
Communication about intention to grant a European patent
Jul 13, 2018
Intention to grant (signatures)
Jul 13, 2018
Text intended for grant (clean copy)
Jul 13, 2018
Text intended for grant (version for approval)
Feb 21, 2018
Amended claims with annotations
Feb 21, 2018
Claims
Feb 21, 2018
Reply to communication from the Examining Division
Oct 24, 2017
Annex to the communication
Oct 24, 2017
Communication from the Examining Division
Oct 17, 2017
Examination started
Sep 3, 2014
Amended claims filed after receipt of (European) search report
Sep 3, 2014
Amended claims with annotations
Sep 3, 2014
Amendments received before examination
Jun 10, 2014
Communication confirming withdrawal from representation
Jun 10, 2014
Communication of amended entries concerning the representative
May 26, 2014
General authorisation
May 26, 2014
Submission concerning change of applicant's representative
May 8, 2014
Notification on forthcoming publication of bibliographic data
Apr 30, 2014
Submission concerning change of applicant's representative
Mar 12, 2014
Copy of the international preliminary report on patentability
Mar 6, 2014
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Mar 4, 2014
Communication to designated inventor
Mar 4, 2014
Communication to designated inventor
Mar 4, 2014
Communication to designated inventor
Jan 9, 2014
(Electronic) Receipt
Jan 9, 2014
Annexes in respect of a client data request
Jan 9, 2014
Request for entry into the European phase
Dec 4, 2013
Information on entry into European phase
Mar 14, 2013
Copy of the international search report
Mar 14, 2013
International publication of the international search report
Jan 31, 2013
Published international application - A2
Jan 29, 2013
Written opinion of the ISA, boxes No. I to VIII
Jan 29, 2013
Written opinion of the ISA, cover sheet
Jan 29, 2013
Written opinion of the ISA, supplemental box
Jul 27, 2011
(Electronic) Receipt
Jul 27, 2011
Abstract
Jul 27, 2011
Claims
Jul 27, 2011
Description
Jul 27, 2011
Drawings

EP2737379

AGILENT

Application Number: EP11738215A
Filing Date: Jul 27, 2011
Status: Granted And Under Opposition; Nov 16, 2018
Publication Date: Dec 19, 2018
External Links: Slate, Register , Google Patents

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Packet-Wise Proportioning Followed By Immediate Longitudinal Mixing

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Dossier Documents

EP2737379