Common Light Chain Mouse

Patent No. EP2505654 (titled "Common Light Chain Mouse") was filed by Regeneron Pharmaceuticals on Feb 8, 2011. The application was issued on May 13, 2020.

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	May 24, 2017	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

Apr 17, 2020
Decision to maintain the European patent in amended form
Apr 14, 2020
Termination of the opposition proceedings with maintenance of patent
Apr 1, 2020
(Electronic) Receipt
Apr 1, 2020
Filing of the translation of the amended claims
Apr 1, 2020
French translation of claims
Apr 1, 2020
German translation of the claims
Apr 1, 2020
Letter accompanying subsequently filed items
Jan 3, 2020
Communication with request to file translations
Dec 18, 2019
Maintenance of the patent with the documents specified in the final decision
Oct 11, 2019
(Electronic) Receipt
Oct 11, 2019
Advice of delivery
Oct 11, 2019
Communication about missing advice of delivery
Oct 11, 2019
Letter accompanying subsequently filed items
Sep 3, 2019
Acknowledgement of a document
Sep 3, 2019
Decision of the Opposition Division and instruction
Sep 3, 2019
Druckexemplar in opposition procedure
Sep 3, 2019
Grounds for the decision (Annex) - opposition
Sep 3, 2019
Interlocutory decision in opposition proceedings
Sep 3, 2019
Internal form - Opposition/addressees
Sep 3, 2019
Means of redress
Apr 25, 2019
(Electronic) Receipt
Apr 25, 2019
Amended description with annotations
Apr 25, 2019
Description
Apr 25, 2019
Letter accompanying subsequently filed items
Apr 25, 2019
Reply to an examination report in opposition proceedings
Jan 21, 2019
Notification concerning the date of oral proceedings
Jan 18, 2019
Annex to the communication - opposition
Jan 18, 2019
Communication inviting the parties to file observations
Jan 18, 2019
Communication inviting the parties to file observations
Jan 18, 2019
Internal form - Opposition/addressees
Jan 14, 2019
Brief communication - Opposition proceedings
Jan 14, 2019
Brief communication - Opposition proceedings
Jan 14, 2019
Communication of amended entries
Jan 9, 2019
(Electronic) Receipt
Jan 9, 2019
Letter accompanying subsequently filed items
Jan 9, 2019
Written submission in preparation to/during oral proceedings
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
Nov 28, 2018
Brief communication - Opposition proceedings
Nov 27, 2018
Brief communication - Opposition proceedings
Nov 23, 2018
Brief communication - Opposition proceedings
Nov 22, 2018
(Electronic) Receipt
Nov 22, 2018
(Electronic) Receipt
Nov 22, 2018
Amended claims with annotations
Nov 22, 2018
Amended claims with annotations
Nov 22, 2018
Amended claims with annotations
Nov 22, 2018
Amended claims with annotations
Nov 22, 2018
Amended claims with annotations
Nov 22, 2018
Amended claims with annotations
Nov 22, 2018
Amended claims with annotations
Nov 22, 2018
Amended claims with annotations
Nov 22, 2018
Amended claims with annotations
Nov 22, 2018
Amended claims with annotations
Nov 22, 2018
Amended claims with annotations
Nov 22, 2018
Amended claims with annotations
Nov 22, 2018
Amended claims with annotations
Nov 22, 2018
Amended claims with annotations
Nov 22, 2018
Amended claims with annotations
Nov 22, 2018
Any annexes (other than citation) to an opposition letter
Nov 22, 2018
Claims
Nov 22, 2018
Claims
Nov 22, 2018
Claims
Nov 22, 2018
Claims
Nov 22, 2018
Claims
Nov 22, 2018
Claims
Nov 22, 2018
Claims
Nov 22, 2018
Claims
Nov 22, 2018
Claims
Nov 22, 2018
Claims
Nov 22, 2018
Claims
Nov 22, 2018
Claims
Nov 22, 2018
Claims
Nov 22, 2018
Claims
Nov 22, 2018
Claims
Nov 22, 2018
Letter accompanying subsequently filed items
Nov 22, 2018
Letter accompanying subsequently filed items
Nov 22, 2018
Non-patent literature cited during the opposition procedure
Nov 22, 2018
Non-patent literature cited during the opposition procedure
Nov 22, 2018
Written submission in preparation to/during oral proceedings
Nov 22, 2018
Written submission in preparation to/during oral proceedings
Nov 20, 2018
(Electronic) Receipt
Nov 20, 2018
Letter accompanying subsequently filed items
Nov 20, 2018
Request for interpreters during oral proceedings
Jul 11, 2018
(Electronic) Receipt
Jul 11, 2018
Advice of delivery
Jul 11, 2018
Letter accompanying subsequently filed items
Jul 2, 2018
Advice of delivery
Jun 28, 2018
Advice of delivery
Jun 27, 2018
Acknowledgement of a document
Jun 27, 2018
Acknowledgement of a document
Jun 27, 2018
Information concerning oral proceedings
Jun 27, 2018
Notification concerning the date of oral proceedings
Jun 27, 2018
Notification concerning the date of oral proceedings
Jun 27, 2018
Summons to attend oral proceedings
Jun 27, 2018
Summons to attend oral proceedings
Jun 11, 2018
Brief communication - Opposition proceedings
Jun 1, 2018
(Electronic) Receipt
Jun 1, 2018
Any annexes (other than citation) to an opposition letter
Jun 1, 2018
Letter accompanying subsequently filed items
Jun 1, 2018
Oral proceedings: Request for postponement
May 23, 2018
Brief communication - Opposition proceedings
May 16, 2018
(Electronic) Receipt
May 16, 2018
Brief communication - Opposition proceedings
May 16, 2018
Letter accompanying subsequently filed items
May 16, 2018
Written submission in preparation to/during oral proceedings
May 9, 2018
(Electronic) Receipt
May 9, 2018
Letter accompanying subsequently filed items
May 9, 2018
Oral proceedings: Request for postponement
Apr 26, 2018
Advice of delivery
Apr 24, 2018
Advice of delivery
Apr 23, 2018
Acknowledgement of a document
Apr 23, 2018
Acknowledgement of a document
Apr 23, 2018
Annex to the communication - opposition
Apr 23, 2018
Information concerning oral proceedings
Apr 23, 2018
Summons to attend oral proceedings
Apr 23, 2018
Summons to attend oral proceedings
Dec 6, 2017
(Electronic) Receipt
Dec 6, 2017
Letter accompanying subsequently filed items
Dec 6, 2017
Letter regarding the opposition procedure (no time limit)
Nov 30, 2017
Brief communication - Opposition proceedings
Nov 30, 2017
Communication of amended entries
Nov 21, 2017
Request for change of opponent's representative
Nov 13, 2017
Brief communication - Opposition proceedings
Nov 8, 2017
(Electronic) Receipt
Nov 8, 2017
Letter accompanying subsequently filed items
Nov 8, 2017
Letter regarding the opposition procedure (no time limit)
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Reply of the patent proprietor to the notice(s) of opposition
Jun 28, 2017
Communication of a notice of opposition and request to file observations
Jun 28, 2017
Notice of further oppositions to opponent(s)
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
Jun 2, 2017
Communication of a notice of opposition - first information to patent proprietor
May 24, 2017
Non-patent literature cited during the opposition procedure
May 24, 2017
Non-patent literature cited during the opposition procedure
May 24, 2017
Non-patent literature cited during the opposition procedure
May 24, 2017
Non-patent literature cited during the opposition procedure
May 24, 2017
Non-patent literature cited during the opposition procedure
May 24, 2017
Non-patent literature cited during the opposition procedure
May 24, 2017
Non-patent literature cited during the opposition procedure
May 24, 2017
Non-patent literature cited during the opposition procedure
May 24, 2017
Non-patent literature cited during the opposition procedure
May 24, 2017
Non-patent literature cited during the opposition procedure
May 24, 2017
Non-patent literature cited during the opposition procedure
May 24, 2017
Non-patent literature cited during the opposition procedure
May 24, 2017
Non-patent literature cited during the opposition procedure
May 24, 2017
Non-patent literature cited during the opposition procedure
May 24, 2017
Notice of opposition
May 24, 2017
Patent document cited during the opposition procedure
May 24, 2017
Patent document cited during the opposition procedure
May 24, 2017
Patent document cited during the opposition procedure
May 24, 2017
Patent document cited during the opposition procedure
May 24, 2017
Patent document cited during the opposition procedure
May 24, 2017
Patent document cited during the opposition procedure
May 24, 2017
Patent document cited during the opposition procedure
May 24, 2017
Patent document cited during the opposition procedure
May 24, 2017
Patent document cited during the opposition procedure
May 24, 2017
Patent document cited during the opposition procedure
May 24, 2017
Patent document cited during the opposition procedure
May 24, 2017
Payment of fees and costs
Aug 24, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 28, 2016
Decision to grant a European patent
Jul 12, 2016
(Electronic) Receipt
Jul 12, 2016
Filing of the translations of the claims
Jul 12, 2016
French translation of claims
Jul 12, 2016
German translation of the claims
Jul 12, 2016
Letter accompanying subsequently filed items
Jun 3, 2016
Bibliographic data of the European patent application
Jun 3, 2016
Communication about intention to grant a European patent
Jun 3, 2016
Intention to grant (signatures)
Jun 3, 2016
Text intended for grant (clean copy)
Jun 3, 2016
Text intended for grant (sequence listing)
Jun 3, 2016
Text intended for grant (version for approval)
Feb 2, 2016
(Electronic) Receipt
Feb 2, 2016
Amended claims with annotations
Feb 2, 2016
Amended description with annotations
Feb 2, 2016
Claims
Feb 2, 2016
Description
Feb 2, 2016
Letter accompanying subsequently filed items
Feb 2, 2016
Reply to communication from the Examining Division
Oct 27, 2015
Annex to the communication
Oct 27, 2015
Communication from the Examining Division
Sep 11, 2015
Acknowledgement of receipt of third party observations
Sep 11, 2015
Transmittal of third party observations to applicant
Sep 7, 2015
(Electronic) Receipt
Sep 7, 2015
Letter accompanying subsequently filed items
Sep 7, 2015
Non-patent literature filed by a third party
Sep 7, 2015
Observations by third parties
Sep 7, 2015
Patent document filed by a Third party
Aug 4, 2015
(Electronic) Receipt
Aug 4, 2015
Amended claims with annotations
Aug 4, 2015
Claims
Aug 4, 2015
Letter accompanying subsequently filed items
Aug 4, 2015
Reply to communication from the Examining Division
Apr 1, 2015
Annex to the communication
Apr 1, 2015
Communication from the Examining Division
Mar 18, 2015
(Electronic) Receipt
Mar 18, 2015
Amended claims with annotations
Mar 18, 2015
Claims
Mar 18, 2015
Letter accompanying subsequently filed items
Mar 18, 2015
Reply to communication from the Examining Division
Nov 10, 2014
Acknowledgement of receipt of third party observations
Nov 10, 2014
Annex to the communication
Nov 10, 2014
Communication from the Examining Division
Nov 10, 2014
Transmittal of third party observations to applicant
Nov 3, 2014
(Electronic) Receipt
Nov 3, 2014
Citation filed by a third party
Nov 3, 2014
Citation filed by a third party
Nov 3, 2014
Letter accompanying subsequently filed items
Nov 3, 2014
Non-patent literature filed by a third party
Nov 3, 2014
Non-patent literature filed by a third party
Nov 3, 2014
Non-patent literature filed by a third party
Nov 3, 2014
Observations by third parties
Sep 29, 2014
(Electronic) Receipt
Sep 29, 2014
Amended claims with annotations
Sep 29, 2014
Claims
Sep 29, 2014
Letter accompanying subsequently filed items
Sep 29, 2014
Reply to communication from the Examining Division
May 19, 2014
Annex to the communication
May 19, 2014
Communication from the Examining Division
May 2, 2014
(Electronic) Receipt
May 2, 2014
Letter accompanying subsequently filed items
Apr 12, 2013
(Electronic) Receipt
Apr 12, 2013
Amended claims with annotations
Apr 12, 2013
Claims
Apr 12, 2013
Letter accompanying subsequently filed items
Apr 12, 2013
Non-patent literature cited during the examination procedure
Apr 12, 2013
Reply to communication from the Examining Division
Feb 8, 2013
Communication to designated inventor
Feb 7, 2013
Brief communication to applicant/representative
Feb 1, 2013
(Electronic) Receipt
Feb 1, 2013
Annex
Feb 1, 2013
Designation of inventor
Feb 1, 2013
Letter accompanying subsequently filed items
Feb 1, 2013
Letter concerning the inventor
Dec 5, 2012
Annex to the communication
Dec 5, 2012
Communication from the Examining Division
Oct 12, 2012
Communication to designated inventor
Oct 9, 2012
Information relating to the filing of a voluntary divisional application
Oct 8, 2012
Information about publication, reminder payment of designation fee, response to extended European search report, if applicable
Oct 5, 2012
(Electronic) Receipt
Oct 5, 2012
Letter accompanying subsequently filed items
Oct 5, 2012
Letter concerning the inventor
Sep 21, 2012
(Electronic) Receipt
Sep 21, 2012
Amended claims filed after receipt of (European) search report
Sep 21, 2012
Amended claims with annotations
Sep 21, 2012
Amended description filed after receipt of (European) search report
Sep 21, 2012
Amended description with annotations
Sep 21, 2012
Amendments received before examination
Sep 21, 2012
Invitation to indicate correct address of inventor
Sep 21, 2012
Letter accompanying subsequently filed items
Sep 14, 2012
Letter which had not been notified
Sep 5, 2012
Notification of forthcoming publication
Aug 29, 2012
Refund of fees
Aug 21, 2012
Communication regarding the transmission of the European search report
Aug 21, 2012
European search opinion
Aug 21, 2012
European search report
Aug 20, 2012
Communication to designated inventor
Aug 20, 2012
Communication to designated inventor
Aug 20, 2012
Communication to designated inventor
Aug 20, 2012
Communication to designated inventor
Aug 20, 2012
Communication to designated inventor
Jun 25, 2012
Abstract
Jun 25, 2012
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jun 25, 2012
Amended claims with annotations
Jun 25, 2012
Annex
Jun 25, 2012
Claims
Jun 25, 2012
Description
Jun 25, 2012
Designation of inventor
Jun 25, 2012
Designation of inventor
Jun 25, 2012
Designation of inventor
Jun 25, 2012
Designation of inventor
Jun 25, 2012
Designation of inventor
Jun 25, 2012
Document related to search matters
Jun 25, 2012
Drawings
Jun 25, 2012
Matter concerning the application
Jun 25, 2012
Non-patent literature cited during the examination procedure
Jun 25, 2012
Non-patent literature cited during the examination procedure
Jun 25, 2012
Non-patent literature cited during the examination procedure
Jun 25, 2012
Request for grant of a European patent
Jun 25, 2012
Sequence listing
Aug 30, 2011
Priority document (electronically transmitted)

EP2505654

REGENERON PHARMACEUTICALS

Application Number: EP12173456A
Filing Date: Feb 8, 2011
Status: Patent Maintained As Amended; Apr 10, 2020
Publication Date: May 13, 2020
External Links: Slate, Register , Google Patents

IP Verse

Common Light Chain Mouse

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2505654