Polypeptide Separation Methods

Patent No. EP2734537 (titled "Polypeptide Separation Methods") was filed by Zepteon on Jul 20, 2012. The application was issued on Dec 21, 2022.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
STRAWMAN	Sep 21, 2023	ZILLY CLAUDE

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

Feb 6, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Feb 6, 2025
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Oct 28, 2024
Brief communication - Opposition proceedings
Oct 28, 2024
Brief communication - Opposition proceedings
Oct 28, 2024
Decision of the Opposition Division and instruction
Oct 28, 2024
Decision revoking the European patent
Oct 28, 2024
Decision revoking the European patent
Oct 28, 2024
Grounds for the decision (Annex) - opposition
Oct 28, 2024
Means of redress
Oct 28, 2024
Scanned annex to a communication - opposition procedure
Oct 22, 2024
Brief communication - Opposition proceedings
Oct 21, 2024
Communication of amended entries
Oct 16, 2024
(Electronic) Receipt
Oct 16, 2024
Letter accompanying subsequently filed items
Oct 16, 2024
Request concerning representative opponent
Jun 13, 2024
Letter accompanying subsequently filed items
Jun 13, 2024
Submission concerning representation
Apr 4, 2024
Brief communication - Opposition proceedings
Mar 27, 2024
(Electronic) Receipt
Mar 27, 2024
Letter accompanying subsequently filed items
Mar 27, 2024
Letter regarding the opposition procedure (no time limit)
Oct 4, 2023
Communication of a notice of opposition and request to file observations
Oct 4, 2023
Notice of further oppositions to opponent(s)
Sep 28, 2023
Communication of a notice of opposition - first information to patent proprietor
Sep 25, 2023
Communication of a notice of opposition - first information to patent proprietor
Sep 21, 2023
(Electronic) Receipt
Sep 21, 2023
Citation in opposition procedure - 001
Sep 21, 2023
Citation in opposition procedure - 002
Sep 21, 2023
Citation in opposition procedure - 003
Sep 21, 2023
Citation in opposition procedure - 004
Sep 21, 2023
Citation in opposition procedure - 005
Sep 21, 2023
Citation in opposition procedure - 006
Sep 21, 2023
Citation in opposition procedure - 007
Sep 21, 2023
Citation in opposition procedure - 008
Sep 21, 2023
Citation in opposition procedure - 009
Sep 21, 2023
Citation in opposition procedure - 010
Sep 21, 2023
Citation in opposition procedure - 011
Sep 21, 2023
Citation in opposition procedure - 012
Sep 21, 2023
Citation in opposition procedure - 013
Sep 21, 2023
Citation in opposition procedure - 014
Sep 21, 2023
Citation in opposition procedure - 014
Sep 21, 2023
Citation in opposition procedure - 015
Sep 21, 2023
Citation in opposition procedure - 016
Sep 21, 2023
Citation in opposition procedure - 017
Sep 21, 2023
Citation in opposition procedure - 018
Sep 21, 2023
Citation in opposition procedure - 019
Sep 21, 2023
Citation in opposition procedure - 020
Sep 21, 2023
Citation in opposition procedure - 021
Sep 21, 2023
Citation in opposition procedure - 022
Sep 21, 2023
Citation in opposition procedure - 023
Sep 21, 2023
Citation in opposition procedure - 024
Sep 21, 2023
Citation in opposition procedure - 025
Sep 21, 2023
Consolidated list of cited opposition documents
Sep 21, 2023
Letter accompanying subsequently filed items
Sep 21, 2023
Notice of opposition
Sep 21, 2023
Notice of opposition
Jan 11, 2023
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 24, 2022
Decision to grant a European patent
Nov 11, 2022
(Electronic) Receipt
Nov 11, 2022
Filing of the translations of the claims
Nov 11, 2022
French translation of claims
Nov 11, 2022
German translation of the claims
Nov 11, 2022
Letter accompanying subsequently filed items
Jul 6, 2022
Bibliographic data of the European patent application
Jul 6, 2022
Communication about intention to grant a European patent
Jul 6, 2022
Intention to grant (signatures)
Jul 6, 2022
Text intended for grant (clean copy)
Jul 6, 2022
Text intended for grant (version for approval)
Feb 23, 2022
(Electronic) Receipt
Feb 23, 2022
Amended claims with annotations
Feb 23, 2022
Amended description with annotations
Feb 23, 2022
Claims
Feb 23, 2022
Description
Feb 23, 2022
Letter accompanying subsequently filed items
Feb 23, 2022
Reply to communication from the Examining Division
Jan 3, 2022
Miscellaneous requests concerning client data
Jan 3, 2022
Request for change of applicant's representative
Dec 17, 2021
Grant of extension of time limit (examination procedure)
Dec 14, 2021
(Electronic) Receipt
Dec 14, 2021
Letter accompanying subsequently filed items
Dec 14, 2021
Request for extension of time limit to communication from the Examining Division
Aug 13, 2021
Annex to the communication
Aug 13, 2021
Communication from the Examining Division
Jul 7, 2021
(Electronic) Receipt
Jul 7, 2021
Amended description with annotations
Jul 7, 2021
Description
Jul 7, 2021
Letter accompanying subsequently filed items
Jul 7, 2021
Reply to communication from the Examining Division
Apr 6, 2021
Grant of extension of time limit (examination procedure)
Mar 30, 2021
(Electronic) Receipt
Mar 30, 2021
Letter accompanying subsequently filed items
Mar 30, 2021
Request for extension of time limit to communication from the Examining Division
Mar 4, 2021
Acknowledgement of receipt of third party observations
Mar 4, 2021
Transmittal of third party observations to applicant
Feb 26, 2021
(Electronic) Receipt
Feb 26, 2021
Letter accompanying subsequently filed items
Feb 26, 2021
Non-patent literature filed by a third party
Feb 26, 2021
Observations by third parties
Feb 25, 2021
Annex to the communication
Feb 25, 2021
Communication from the Examining Division
Nov 23, 2020
Decision to allow further processing
Nov 16, 2020
(Electronic) Receipt
Nov 16, 2020
Amended claims with annotations
Nov 16, 2020
Claims
Nov 16, 2020
Letter accompanying subsequently filed items
Nov 16, 2020
Request for further processing
Sep 4, 2020
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Jun 9, 2020
Grant of extension of time limit (examination procedure)
Jun 2, 2020
(Electronic) Receipt
Jun 2, 2020
Letter accompanying subsequently filed items
Jun 2, 2020
Request for extension of time limit to communication from the Examining Division
Feb 4, 2020
Annex to the communication
Feb 4, 2020
Communication from the Examining Division
Jan 30, 2020
Acknowledgement of receipt of third party observations
Jan 30, 2020
Transmittal of third party observations to applicant
Jan 24, 2020
(Electronic) Receipt
Jan 24, 2020
Citation filed by a third party
Jan 24, 2020
Letter accompanying subsequently filed items
Jan 24, 2020
Non-patent literature filed by a third party
Jan 24, 2020
Observations by third parties
Nov 26, 2019
(Electronic) Receipt
Nov 26, 2019
Amended claims with annotations
Nov 26, 2019
Claims
Nov 26, 2019
Letter accompanying subsequently filed items
Nov 26, 2019
Reply to communication from the Examining Division
Sep 20, 2019
Grant of extension of time limit (examination procedure)
Sep 16, 2019
(Electronic) Receipt
Sep 16, 2019
Letter accompanying subsequently filed items
Sep 16, 2019
Request for extension of time limit to communication from the Examining Division
May 17, 2019
Annex to the communication
May 17, 2019
Communication from the Examining Division
Apr 15, 2019
Acknowledgement of receipt of third party observations
Apr 15, 2019
Transmittal of third party observations to applicant
Apr 9, 2019
(Electronic) Receipt
Apr 9, 2019
Letter accompanying subsequently filed items
Apr 9, 2019
Non-patent literature filed by a third party
Apr 9, 2019
Non-patent literature filed by a third party
Apr 9, 2019
Observations by third parties
Apr 9, 2019
Patent document filed by a Third party
Feb 18, 2019
(Electronic) Receipt
Feb 18, 2019
Amended claims with annotations
Feb 18, 2019
Claims
Feb 18, 2019
Letter accompanying subsequently filed items
Feb 18, 2019
Reply to communication from the Examining Division
Nov 22, 2018
Grant of extension of time limit (examination procedure)
Nov 19, 2018
(Electronic) Receipt
Nov 19, 2018
Letter accompanying subsequently filed items
Nov 19, 2018
Request for extension of time limit to communication from the Examining Division
Aug 7, 2018
Annex to the communication
Aug 7, 2018
Communication from the Examining Division
May 29, 2018
(Electronic) Receipt
May 29, 2018
Amended description with annotations
May 29, 2018
Description
May 29, 2018
Letter accompanying subsequently filed items
May 29, 2018
Reply to communication from the Examining Division
May 8, 2018
Acknowledgement of receipt of third party observations
May 8, 2018
Transmittal of third party observations to applicant
Apr 27, 2018
(Electronic) Receipt
Apr 27, 2018
Letter accompanying subsequently filed items
Apr 27, 2018
Non-patent literature filed by a third party
Apr 27, 2018
Non-patent literature filed by a third party
Apr 27, 2018
Non-patent literature filed by a third party
Apr 27, 2018
Non-patent literature filed by a third party
Apr 27, 2018
Non-patent literature filed by a third party
Apr 27, 2018
Observations by third parties
Apr 27, 2018
Patent document filed by a Third party
Apr 27, 2018
Patent document filed by a Third party
Apr 27, 2018
Patent document filed by a Third party
Mar 23, 2018
Annex to the communication
Mar 23, 2018
Communication from the Examining Division
Jan 10, 2018
(Electronic) Receipt
Jan 10, 2018
Amended claims with annotations
Jan 10, 2018
Claims
Jan 10, 2018
Letter accompanying subsequently filed items
Jan 10, 2018
Reply to communication from the Examining Division
Sep 1, 2017
Annex to the communication
Sep 1, 2017
Communication from the Examining Division
Jul 10, 2017
Response to enquiry for communication from the Examining Division
Jun 26, 2017
(Electronic) Receipt
Jun 26, 2017
Enquiry as to the processing of the file
Jun 26, 2017
Letter accompanying subsequently filed items
Jun 21, 2016
(Electronic) Receipt
Jun 21, 2016
Amended claims with annotations
Jun 21, 2016
Claims
Jun 21, 2016
Letter accompanying subsequently filed items
Jun 21, 2016
Reply to communication from the Examining Division
Apr 25, 2016
Grant of extension of time limit (examination procedure)
Apr 20, 2016
(Electronic) Receipt
Apr 20, 2016
Letter accompanying subsequently filed items
Apr 20, 2016
Request for extension of time limit to communication from the Examining Division
Dec 11, 2015
Annex to the communication
Dec 11, 2015
Communication from the Examining Division
Dec 2, 2015
Examination started
Sep 10, 2014
(Electronic) Receipt
Sep 10, 2014
Amended claims filed after receipt of (European) search report
Sep 10, 2014
Amended claims with annotations
Sep 10, 2014
Amendments received before examination
Sep 10, 2014
Letter accompanying subsequently filed items
Apr 30, 2014
Notification on forthcoming publication of bibliographic data
Feb 28, 2014
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Feb 26, 2014
Communication to designated inventor
Feb 26, 2014
Communication to designated inventor
Feb 12, 2014
(Electronic) Receipt
Feb 12, 2014
Amended claims filed after receipt of (European) search report
Feb 12, 2014
Amendments received before examination
Feb 12, 2014
Request for entry into the European phase
Feb 6, 2014
Copy of the international preliminary report on patentability
Nov 29, 2013
Information on entry into European phase
Feb 13, 2013
Priority document (electronically transmitted)
Jan 24, 2013
Copy of the international search report
Jan 24, 2013
Published international application - A1
Nov 27, 2012
Written opinion of the ISA, boxes No. I to VIII
Nov 27, 2012
Written opinion of the ISA, cover sheet
Nov 27, 2012
Written opinion of the ISA, supplemental box
Sep 5, 2012
Request for correction of obvious error
Aug 31, 2012
Request for correction of obvious error
Aug 31, 2012
Request for correction of obvious error
Aug 5, 2012
Abstract
Aug 5, 2012
Claims
Aug 5, 2012
Description
Aug 5, 2012
Drawings

EP2734537

ZEPTEON

Application Number: EP12743825A
Filing Date: Jul 20, 2012
Status: Revoked; Feb 7, 2025
Publication Date: Dec 21, 2022
External Links: Slate, Register , Google Patents

IP Verse

Polypeptide Separation Methods

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2734537