Non-Human Animals Expressing Antibodies Having A Common Light Chain

Patent No. EP2701499 (titled "Non-Human Animals Expressing Antibodies Having A Common Light Chain") was filed by Regeneron Pharmaceuticals on Apr 24, 2012. The application was issued on Aug 18, 2021.

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
MERUS	Nov 10, 2016	LAHRTZ

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

Jul 22, 2021
Decision to maintain the European patent in amended form
Jul 16, 2021
Termination of the opposition proceedings with maintenance of patent
Jul 12, 2021
(Electronic) Receipt
Jul 12, 2021
Filing of the translation of the amended claims
Jul 12, 2021
French translation of claims
Jul 12, 2021
German translation of the claims
Jul 12, 2021
Letter accompanying subsequently filed items
Apr 15, 2021
Communication of bibliographic data
Apr 15, 2021
Communication to opponent concerning maintenance
Apr 15, 2021
Communication with request to file translations
Apr 12, 2021
Maintenance of the patent with the documents specified in the final decision
Dec 8, 2020
Refund of fees
Dec 4, 2020
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Dec 2, 2020
Maintenance of the patent with the documents specified in the final decision
Nov 10, 2020
(Electronic) Receipt
Nov 10, 2020
Letter accompanying subsequently filed items
Nov 10, 2020
Withdrawal of an appeal
May 8, 2020
F3303.16 Change of composition of the Board (T)
Oct 17, 2019
Composition of the board (T)
Jan 11, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jan 11, 2019
F3348 Confirmation of withdrawal of the opposition by the respondent and former opponent
Jan 11, 2019
F3348 Confirmation of withdrawal of the opposition by the respondent and former opponent
Jan 7, 2019
(Electronic) Receipt
Jan 7, 2019
Letter accompanying subsequently filed items
Jan 7, 2019
Withdrawal of an opposition
Dec 21, 2018
Request concerning representative opponent
Dec 19, 2018
(Electronic) Receipt
Dec 19, 2018
Letter accompanying subsequently filed items
Dec 19, 2018
Statement of grounds of appeal
Dec 19, 2018
Statement of grounds of appeal
Oct 29, 2018
F3204 Communication of the file number to the parties
Oct 29, 2018
F3204 Communication of the file number to the parties
Oct 22, 2018
Processing of an appeal
Oct 19, 2018
(Electronic) Receipt
Oct 19, 2018
Letter accompanying subsequently filed items
Oct 19, 2018
Notice of appeal
Oct 18, 2018
(Electronic) Receipt
Oct 18, 2018
Letter accompanying subsequently filed items
Oct 18, 2018
Notice of appeal
Aug 17, 2018
(Electronic) Receipt
Aug 17, 2018
Advice of delivery
Aug 17, 2018
Advice of delivery
Aug 17, 2018
Letter accompanying subsequently filed items
Aug 13, 2018
Advice of delivery
Aug 10, 2018
Acknowledgement of a document
Aug 10, 2018
Acknowledgement of a document
Aug 10, 2018
Annex to the communication - opposition
Aug 10, 2018
Decision of the Opposition Division and instruction
Aug 10, 2018
Grounds for the decision (Annex) - opposition
Aug 10, 2018
Interlocutory decision in opposition proceedings
Aug 10, 2018
Internal form - Opposition/addressees
Aug 10, 2018
Internal form - Opposition/addressees
Aug 10, 2018
Means of redress
Aug 10, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 10, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 10, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 10, 2018
OPPODREX with handwritten amendments
Aug 10, 2018
Provision of a copy of the minutes - opposition procedure
Aug 10, 2018
Scanned annex to a communication - opposition procedure
Aug 10, 2018
Scanned annex to a communication - opposition procedure
Aug 10, 2018
Scanned annex to a communication - opposition procedure
Aug 10, 2018
Scanned annex to a communication - opposition procedure
Jul 31, 2018
Brief communication - Opposition proceedings
Jul 25, 2018
(Electronic) Receipt
Jul 25, 2018
Amended claims with annotations
Jul 25, 2018
Amended description with annotations
Jul 25, 2018
Claims
Jul 25, 2018
Description
Jul 25, 2018
Letter accompanying subsequently filed items
Jul 25, 2018
Letter regarding the opposition procedure (no time limit)
Jul 5, 2018
Information about the result of oral proceedings
Jun 12, 2018
Brief communication - Opposition proceedings
Jun 6, 2018
(Electronic) Receipt
Jun 6, 2018
Letter accompanying subsequently filed items
Jun 6, 2018
Patent document cited during the opposition procedure
Jun 6, 2018
Written submission in preparation to/during oral proceedings
Jun 4, 2018
Brief communication - Opposition proceedings
May 25, 2018
(Electronic) Receipt
May 25, 2018
Letter accompanying subsequently filed items
May 25, 2018
Written submission in preparation to/during oral proceedings
May 11, 2018
Brief communication - Opposition proceedings
May 9, 2018
Brief communication - Opposition proceedings
May 4, 2018
(Electronic) Receipt
May 4, 2018
(Electronic) Receipt
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended claims with annotations
May 4, 2018
Citation in opposition procedure
May 4, 2018
Citation in opposition procedure
May 4, 2018
Citation in opposition procedure
May 4, 2018
Citation in opposition procedure
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
Claims
May 4, 2018
General authorisation
May 4, 2018
Letter accompanying subsequently filed items
May 4, 2018
Letter accompanying subsequently filed items
May 4, 2018
Non-patent literature cited during the opposition procedure
May 4, 2018
Non-patent literature cited during the opposition procedure
May 4, 2018
Non-patent literature cited during the opposition procedure
May 4, 2018
Non-patent literature cited during the opposition procedure
May 4, 2018
Non-patent literature cited during the opposition procedure
May 4, 2018
Non-patent literature cited during the opposition procedure
May 4, 2018
Patent document cited during the opposition procedure
May 4, 2018
Patent document cited during the opposition procedure
May 4, 2018
Written submission in preparation to/during oral proceedings
May 4, 2018
Written submission in preparation to/during oral proceedings
May 3, 2018
Brief communication - Opposition proceedings
Apr 24, 2018
(Electronic) Receipt
Apr 24, 2018
Letter accompanying subsequently filed items
Apr 24, 2018
Request for interpreters during oral proceedings
Dec 14, 2017
Brief communication - Opposition proceedings
Dec 8, 2017
(Electronic) Receipt
Dec 8, 2017
Letter accompanying subsequently filed items
Dec 8, 2017
Letter regarding the opposition procedure (no time limit)
Oct 5, 2017
Advice of delivery
Oct 4, 2017
(Electronic) Receipt
Oct 4, 2017
Advice of delivery
Oct 4, 2017
Letter accompanying subsequently filed items
Sep 29, 2017
Advice of delivery
Sep 28, 2017
Acknowledgement of a document
Sep 28, 2017
Acknowledgement of a document
Sep 28, 2017
Annex to the communication - opposition
Sep 28, 2017
Information concerning oral proceedings
Sep 28, 2017
Preparation for oral proceedings
Sep 28, 2017
Summons to attend oral proceedings
Sep 28, 2017
Summons to attend oral proceedings
Jun 12, 2017
Communication of amended entries concerning the representative
Jun 7, 2017
Submission concerning change of applicant's representative
Jun 6, 2017
Submission concerning change of applicant's representative
May 8, 2017
Brief communication - Opposition proceedings
Apr 28, 2017
(Electronic) Receipt
Apr 28, 2017
Amended claims with annotations
Apr 28, 2017
Amended claims with annotations
Apr 28, 2017
Amended claims with annotations
Apr 28, 2017
Amended claims with annotations
Apr 28, 2017
Amended claims with annotations
Apr 28, 2017
Amended claims with annotations
Apr 28, 2017
Amended claims with annotations
Apr 28, 2017
Amended claims with annotations
Apr 28, 2017
Amended claims with annotations
Apr 28, 2017
Amended claims with annotations
Apr 28, 2017
Amended claims with annotations
Apr 28, 2017
Amended claims with annotations
Apr 28, 2017
Amended claims with annotations
Apr 28, 2017
Amended claims with annotations
Apr 28, 2017
Auxiliary request during Opposition procedure
Apr 28, 2017
Auxiliary request during Opposition procedure
Apr 28, 2017
Auxiliary request during Opposition procedure
Apr 28, 2017
Auxiliary request during Opposition procedure
Apr 28, 2017
Auxiliary request during Opposition procedure
Apr 28, 2017
Auxiliary request during Opposition procedure
Apr 28, 2017
Auxiliary request during Opposition procedure
Apr 28, 2017
Auxiliary request during Opposition procedure
Apr 28, 2017
Auxiliary request during Opposition procedure
Apr 28, 2017
Auxiliary request during Opposition procedure
Apr 28, 2017
Auxiliary request during Opposition procedure
Apr 28, 2017
Auxiliary request during Opposition procedure
Apr 28, 2017
Auxiliary request during Opposition procedure
Apr 28, 2017
Auxiliary request during Opposition procedure
Apr 28, 2017
Letter accompanying subsequently filed items
Apr 28, 2017
Non-patent literature cited during the opposition procedure
Apr 28, 2017
Reply of the patent proprietor to the notice(s) of opposition
Apr 28, 2017
Reply of the patent proprietor to the notice(s) of opposition
Jan 19, 2017
Brief communication - Opposition proceedings
Jan 19, 2017
Communication of amended entries
Jan 12, 2017
Brief communication - Opposition proceedings
Jan 12, 2017
Communication of amended entries
Dec 23, 2016
Request for a change of address - opponent
Dec 19, 2016
Communication of a notice of opposition and request to file observations
Dec 19, 2016
Notice of further oppositions to opponent(s)
Dec 15, 2016
Brief communication - Opposition proceedings
Dec 5, 2016
Request for change of opponent's representative
Nov 18, 2016
Communication of a notice of opposition - first information to patent proprietor
Nov 10, 2016
Non-patent literature cited during the opposition procedure
Nov 10, 2016
Non-patent literature cited during the opposition procedure
Nov 10, 2016
Non-patent literature cited during the opposition procedure
Nov 10, 2016
Non-patent literature cited during the opposition procedure
Nov 10, 2016
Non-patent literature cited during the opposition procedure
Nov 10, 2016
Non-patent literature cited during the opposition procedure
Nov 10, 2016
Non-patent literature cited during the opposition procedure
Nov 10, 2016
Non-patent literature cited during the opposition procedure
Nov 10, 2016
Non-patent literature cited during the opposition procedure
Nov 10, 2016
Non-patent literature cited during the opposition procedure
Nov 10, 2016
Notice of opposition
Nov 10, 2016
Patent document cited during the opposition procedure
Nov 10, 2016
Patent document cited during the opposition procedure
Nov 10, 2016
Patent document cited during the opposition procedure
Nov 10, 2016
Patent document cited during the opposition procedure
Nov 10, 2016
Patent document cited during the opposition procedure
Nov 10, 2016
Patent document cited during the opposition procedure
Nov 10, 2016
Patent document cited during the opposition procedure
Nov 10, 2016
Patent document cited during the opposition procedure
Nov 10, 2016
Patent document cited during the opposition procedure
Nov 10, 2016
Payment of fees and costs
Apr 6, 2016
Communication concerning correction of publication errors in European patent specification
Mar 22, 2016
(Electronic) Receipt
Mar 22, 2016
Annex
Mar 22, 2016
Annex
Mar 22, 2016
Letter accompanying subsequently filed items
Mar 22, 2016
Request for correction of the publication
Feb 11, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 10, 2016
Correction to published European patent application/patent specification
Feb 10, 2016
Rectification of designation of inventor (Legal Division)
Jan 14, 2016
Decision to grant a European patent
Jan 7, 2016
(Electronic) Receipt
Jan 7, 2016
Letter accompanying subsequently filed items
Jan 7, 2016
Request for correction of the publication
Dec 2, 2015
Bibliographic data of the European patent application
Dec 2, 2015
Information about intention to grant a patent
Dec 2, 2015
Intention to grant (signatures)
Dec 2, 2015
Text intended for grant
Oct 27, 2015
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Sep 25, 2015
(Electronic) Receipt
Sep 25, 2015
French translation of claims
Sep 25, 2015
German translation of the claims
Sep 25, 2015
Letter accompanying subsequently filed items
Sep 25, 2015
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Sep 25, 2015
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Aug 31, 2015
Bibliographic data of the European patent application
Aug 31, 2015
Communication about intention to grant a European patent
Aug 31, 2015
Intention to grant (signatures)
Aug 31, 2015
Text intended for grant
Jul 1, 2015
(Electronic) Receipt
Jul 1, 2015
Amended claims with annotations
Jul 1, 2015
Amended description with annotations
Jul 1, 2015
Claims
Jul 1, 2015
Description
Jul 1, 2015
Letter accompanying subsequently filed items
Jul 1, 2015
Reply from applicant/patentee regarding third party observations
May 18, 2015
Acknowledgement of receipt of third party observations
May 18, 2015
Transmittal of third party observations to applicant
May 4, 2015
(Electronic) Receipt
May 4, 2015
Letter accompanying subsequently filed items
May 4, 2015
Observations by third parties
May 4, 2015
Patent document filed by a Third party
May 4, 2015
Patent document filed by a Third party
May 1, 2015
(Electronic) Receipt
May 1, 2015
Amended claims with annotations
May 1, 2015
Amended description with annotations
May 1, 2015
Claims
May 1, 2015
Description
May 1, 2015
Letter accompanying subsequently filed items
May 1, 2015
Reply to communication from the Examining Division
Apr 1, 2015
Annex to the communication
Apr 1, 2015
Communication from the Examining Division
Mar 3, 2015
Examination started
Oct 13, 2014
Copy of the international preliminary report on patentability
Aug 4, 2014
(Electronic) Receipt
Aug 4, 2014
Amended claims filed after receipt of (European) search report
Aug 4, 2014
Amended claims with annotations
Aug 4, 2014
Amendments received before examination
Aug 4, 2014
Letter accompanying subsequently filed items
Jun 11, 2014
(Electronic) Receipt
Jun 11, 2014
Amended claims filed after receipt of (European) search report
Jun 11, 2014
Amended claims with annotations
Jun 11, 2014
Amendments received before examination
Jun 11, 2014
Letter accompanying subsequently filed items
Feb 5, 2014
Notification on forthcoming publication of bibliographic data
Dec 27, 2013
Letter which had not been notified
Dec 3, 2013
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Nov 29, 2013
Communication to designated inventor
Nov 29, 2013
Communication to designated inventor
Nov 29, 2013
Communication to designated inventor
Nov 29, 2013
Communication to designated inventor
Nov 29, 2013
Communication to designated inventor
Nov 29, 2013
Communication to designated inventor
Nov 29, 2013
Communication to designated inventor
Oct 25, 2013
(Electronic) Receipt
Oct 25, 2013
Amended claims filed after receipt of (European) search report
Oct 25, 2013
Amended claims with annotations
Oct 25, 2013
Amendments received before examination
Oct 25, 2013
Request for entry into the European phase
Sep 6, 2013
Information on entry into European phase
Mar 14, 2013
Published international application - A4
Feb 7, 2013
Copy of the international search report
Feb 7, 2013
International publication of the international search report
Dec 5, 2012
Written opinion of the ISA, boxes No. I to VIII
Dec 5, 2012
Written opinion of the ISA, cover sheet
Dec 5, 2012
Written opinion of the ISA, supplemental box
Nov 21, 2012
Priority document (electronically transmitted)
Nov 1, 2012
Converted Sequence Listing
Nov 1, 2012
Published international application - A2
May 1, 2012
Abstract
May 1, 2012
Claims
May 1, 2012
Description
May 1, 2012
Drawings
May 1, 2012
Sequence listing

EP2701499

REGENERON PHARMACEUTICALS

Application Number: EP12717033A
Filing Date: Apr 24, 2012
Status: Patent Maintained As Amended; Jul 16, 2021
Publication Date: Aug 18, 2021
External Links: Slate, Register , Google Patents

IP Verse

Non-Human Animals Expressing Antibodies Having A Common Light Chain

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2701499