Pyrrolobenzodiazepines And Conjugates Thereof

Patent No. EP2935268 (titled "Pyrrolobenzodiazepines And Conjugates Thereof") was filed by Medimmune on Dec 20, 2013. The application was issued on Feb 17, 2021.

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
JAMES POOLE	Aug 22, 2018	WARNER

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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Jan 21, 2021
Decision to maintain the European patent in amended form
Jan 21, 2021
Decision to maintain the European patent in amended form
Jan 21, 2021
Termination of the opposition proceedings with maintenance of patent
Dec 18, 2020
(Electronic) Receipt
Dec 18, 2020
Clean copy of description pages in the opposition procedure
Dec 18, 2020
Description
Dec 18, 2020
Description
Dec 18, 2020
Filing of the translation of the amended claims
Dec 18, 2020
French translation of claims
Dec 18, 2020
German translation of the claims
Dec 18, 2020
Letter accompanying subsequently filed items
Oct 12, 2020
Communication of bibliographic data
Oct 12, 2020
Communication to opponent concerning maintenance
Oct 12, 2020
Communication with request to file translations
Oct 2, 2020
Maintenance of the patent with the documents specified in the final decision
Jun 10, 2020
(Electronic) Receipt
Jun 10, 2020
(Electronic) Receipt
Jun 10, 2020
Advice of delivery
Jun 10, 2020
Advice of delivery
Jun 10, 2020
Letter accompanying subsequently filed items
Jun 10, 2020
Letter accompanying subsequently filed items
Jun 8, 2020
Communication about missing advice of delivery
May 6, 2020
(Electronic) Receipt
May 6, 2020
Advice of delivery
May 6, 2020
Letter accompanying subsequently filed items
Apr 29, 2020
Acknowledgement of a document
Apr 29, 2020
Acknowledgement of a document
Apr 29, 2020
Annex to a communication
Apr 29, 2020
Annex to the communication - opposition
Apr 29, 2020
Grounds for the decision (Annex) - opposition
Apr 29, 2020
Interlocutory decision in opposition proceedings
Apr 29, 2020
Internal form - Opposition/addressees
Apr 29, 2020
Internal form - Opposition/addressees
Apr 29, 2020
Means of redress
Apr 29, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 29, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 29, 2020
OPPODREX with handwritten amendments
Apr 29, 2020
Provision of a copy of the minutes - opposition procedure
Mar 19, 2020
Document concerning representation
Dec 5, 2019
Information about the result of oral proceedings
Nov 15, 2019
Consolidated list of cited opposition documents
Oct 14, 2019
Brief communication - Opposition proceedings
Oct 8, 2019
Brief communication - Opposition proceedings
Oct 4, 2019
(Electronic) Receipt
Oct 4, 2019
Letter accompanying subsequently filed items
Oct 4, 2019
Written submission in preparation to/during oral proceedings
Oct 2, 2019
(Electronic) Receipt
Oct 2, 2019
Any annexes (other than citation) to an opposition letter
Oct 2, 2019
Letter accompanying subsequently filed items
Oct 2, 2019
Written submission in preparation to/during oral proceedings
Jun 7, 2019
Advice of delivery
Jun 7, 2019
Advice of delivery
May 27, 2019
Communication about missing advice of delivery
May 15, 2019
Advice of delivery
May 14, 2019
(Electronic) Receipt
May 14, 2019
Advice of delivery
May 14, 2019
Letter accompanying subsequently filed items
May 7, 2019
Acknowledgement of a document
May 7, 2019
Acknowledgement of a document
May 7, 2019
Information concerning oral proceedings
May 7, 2019
Notification concerning the date of oral proceedings
May 7, 2019
Notification concerning the date of oral proceedings
May 7, 2019
Summons to attend oral proceedings
May 7, 2019
Summons to attend oral proceedings
Apr 25, 2019
Brief communication - Opposition proceedings
Apr 18, 2019
(Electronic) Receipt
Apr 18, 2019
Letter accompanying subsequently filed items
Apr 18, 2019
Oral proceedings: Request for postponement
Apr 16, 2019
Advice of delivery
Apr 16, 2019
Advice of delivery
Apr 11, 2019
Advice of delivery
Apr 9, 2019
(Electronic) Receipt
Apr 9, 2019
Advice of delivery
Apr 9, 2019
Letter accompanying subsequently filed items
Apr 3, 2019
Acknowledgement of a document
Apr 3, 2019
Acknowledgement of a document
Apr 3, 2019
Annex to the communication - opposition
Apr 3, 2019
Information concerning oral proceedings
Apr 3, 2019
Summons to attend oral proceedings
Apr 3, 2019
Summons to attend oral proceedings
Jan 17, 2019
Brief communication - Opposition proceedings
Jan 11, 2019
(Electronic) Receipt
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Amended claims with annotations
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Claims
Jan 11, 2019
Letter accompanying subsequently filed items
Jan 11, 2019
Reply of the patent proprietor to the notice(s) of opposition
Dec 20, 2018
Communication of amended entries concerning the representative
Dec 14, 2018
Submission concerning change of applicant's representative
Dec 13, 2018
Submission concerning change of applicant's representative
Sep 3, 2018
Communication of a notice of opposition - first information to patent proprietor
Sep 3, 2018
Communication of a notice of opposition and request to file observations
Sep 3, 2018
Notice of further oppositions to opponent(s)
Aug 22, 2018
(Electronic) Receipt
Aug 22, 2018
Citation in opposition procedure
Aug 22, 2018
Citation in opposition procedure
Aug 22, 2018
Citation in opposition procedure
Aug 22, 2018
Non-patent literature cited during the opposition procedure
Aug 22, 2018
Non-patent literature cited during the opposition procedure
Aug 22, 2018
Non-patent literature cited during the opposition procedure
Aug 22, 2018
Non-patent literature cited during the opposition procedure
Aug 22, 2018
Non-patent literature cited during the opposition procedure
Aug 22, 2018
Notice of opposition
Aug 22, 2018
Notice of opposition
Aug 22, 2018
Patent document cited during the opposition procedure
Aug 22, 2018
Patent document cited during the opposition procedure
Aug 22, 2018
Patent document cited during the opposition procedure
Aug 22, 2018
Patent document cited during the opposition procedure
Aug 22, 2018
Patent document cited during the opposition procedure
Dec 1, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 26, 2017
Decision to grant a European patent
Oct 9, 2017
(Electronic) Receipt
Oct 9, 2017
Filing of the translations of the claims
Oct 9, 2017
French translation of claims
Oct 9, 2017
German translation of the claims
Jun 6, 2017
Bibliographic data of the European patent application
Jun 6, 2017
Communication about intention to grant a European patent
Jun 6, 2017
Intention to grant (signatures)
Jun 6, 2017
Text intended for grant (clean copy)
Jun 6, 2017
Text intended for grant (version for approval)
May 10, 2017
(Electronic) Receipt
May 10, 2017
Amended description with annotations
May 10, 2017
Description
May 10, 2017
Letter accompanying subsequently filed items
May 10, 2017
Non-patent literature cited during the examination procedure
May 10, 2017
Reply to communication from the Examining Division
Mar 15, 2017
Grant of extension of time limit (examination procedure)
Mar 9, 2017
(Electronic) Receipt
Mar 9, 2017
Request for extension of time limit to communication from the Examining Division
Nov 3, 2016
Annex to the communication
Nov 3, 2016
Communication from the Examining Division
Oct 6, 2016
(Electronic) Receipt
Oct 6, 2016
Amended claims with annotations
Oct 6, 2016
Annex
Oct 6, 2016
Claims
Oct 6, 2016
Letter accompanying subsequently filed items
Oct 6, 2016
Reply to communication from the Examining Division
May 30, 2016
Annex to the communication
May 30, 2016
Communication from the Examining Division
Sep 30, 2015
Notification on forthcoming publication of bibliographic data
Sep 21, 2015
Communication of the registration of a transfer or change of name and/or address
Sep 16, 2015
Annexes in respect of a client data request
Sep 8, 2015
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Sep 4, 2015
Communication to designated inventor
Sep 1, 2015
Submission concerning a transfer of rights (applicant)
Jul 9, 2015
(Electronic) Receipt
Jul 9, 2015
Amended claims filed after receipt of (European) search report
Jul 9, 2015
Amended claims with annotations
Jul 9, 2015
Amendments received before examination
Jul 9, 2015
Request for entry into the European phase
Jul 9, 2015
Submission concerning representation
Jul 7, 2015
Copy of the international preliminary report on patentability
May 4, 2015
Information on entry into European phase
Jul 17, 2014
Priority document (electronically transmitted)
Jun 26, 2014
Copy of the international search report
Jun 26, 2014
Published international application - A1
Mar 14, 2014
Written opinion of the ISA, boxes No. I to VIII
Mar 14, 2014
Written opinion of the ISA, cover sheet
Mar 14, 2014
Written opinion of the ISA, supplemental box
Feb 11, 2014
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Feb 11, 2014
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Jan 8, 2014
Converted Sequence Listing
Dec 20, 2013
(Electronic) Receipt
Dec 20, 2013
Abstract
Dec 20, 2013
Claims
Dec 20, 2013
Description

EP2935268

MEDIMMUNE

Application Number: EP13814939A
Filing Date: Dec 20, 2013
Status: Patent Maintained As Amended; Jan 15, 2021
Publication Date: Feb 17, 2021
External Links: Slate, Register , Google Patents

IP Verse

Pyrrolobenzodiazepines And Conjugates Thereof

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2935268