Constrained Prosthetic Knee With Rotating Bearing

Patent No. EP2272469 (titled "Constrained Prosthetic Knee With Rotating Bearing") was filed by Letson on Jan 25, 2002. The application was issued on Jul 1, 2015.

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
AESCULAP	Apr 1, 2016	HOEGER

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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Sep 18, 2018
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Sep 13, 2018
Termination of the opposition proceedings with maintenance of patent
Jul 6, 2018
Advice of delivery
Jun 6, 2018
Advice of delivery
Jun 4, 2018
Acknowledgement of a document
Jun 4, 2018
Decision to discontinue the opposition proceedings
May 30, 2018
Notification concerning the date of oral proceedings
May 18, 2018
Brief communication - Opposition proceedings
May 18, 2018
Brief communication - Opposition proceedings
May 15, 2018
(Electronic) Receipt
May 15, 2018
Letter accompanying subsequently filed items
May 15, 2018
Withdrawal of an opposition
May 11, 2018
Advice of delivery
Feb 26, 2018
Advice of delivery
Feb 21, 2018
Advice of delivery
Feb 21, 2018
Advice of delivery
Feb 19, 2018
Acknowledgement of a document
Feb 19, 2018
Acknowledgement of a document
Feb 19, 2018
Annex to the communication - opposition
Feb 19, 2018
Preparation for oral proceedings
Oct 5, 2017
Notification concerning the date of oral proceedings
Oct 5, 2017
Notification concerning the date of oral proceedings
Jun 14, 2017
Brief communication - Opposition proceedings
Jun 7, 2017
Oral proceedings: Request for postponement
Jun 1, 2017
Advice of delivery
May 29, 2017
Brief communication - Opposition proceedings
May 26, 2017
Advice of delivery
May 23, 2017
(Electronic) Receipt
May 23, 2017
Letter accompanying subsequently filed items
May 23, 2017
Oral proceedings: Request for postponement
May 22, 2017
Advice of delivery
May 22, 2017
Advice of delivery
May 18, 2017
Acknowledgement of a document
May 18, 2017
Acknowledgement of a document
May 18, 2017
Annex to the communication - opposition
May 18, 2017
Information concerning oral proceedings
May 18, 2017
Preparation for oral proceedings
May 18, 2017
Summons to attend oral proceedings
May 18, 2017
Summons to attend oral proceedings
Mar 30, 2017
Submission concerning change of applicant's representative
Mar 30, 2017
Submission concerning representation
Nov 25, 2016
Brief communication - Opposition proceedings
Nov 18, 2016
Non-patent literature cited during the opposition procedure
Nov 18, 2016
Non-patent literature cited during the opposition procedure
Nov 18, 2016
Reply of the patent proprietor to the notice(s) of opposition
Sep 23, 2016
Brief communication - Opposition proceedings
Sep 23, 2016
Grant of extension of time limit (opposition procedure)
Sep 16, 2016
Request for extension of time limit
May 9, 2016
Communication of a notice of opposition and request to file observations
May 9, 2016
Notice of further oppositions to opponent(s)
Apr 7, 2016
Communication of a notice of opposition - first information to patent proprietor
Apr 1, 2016
(Electronic) Receipt
Apr 1, 2016
Any annexes (other than citation) to an opposition letter
Apr 1, 2016
Any annexes (other than citation) to an opposition letter
Apr 1, 2016
Any annexes (other than citation) to an opposition letter
Apr 1, 2016
Non-patent literature cited during the opposition procedure
Apr 1, 2016
Non-patent literature cited during the opposition procedure
Apr 1, 2016
Non-patent literature cited during the opposition procedure
Apr 1, 2016
Non-patent literature cited during the opposition procedure
Apr 1, 2016
Notice of opposition
Apr 1, 2016
Notice of opposition
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Apr 1, 2016
Patent document cited during the opposition procedure
Jul 1, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 5, 2015
Decision to grant a European patent
May 13, 2015
Filing of the translations of the claims
May 13, 2015
French translation of claims
May 13, 2015
German translation of the claims
May 13, 2015
Payment of fees and costs
Jan 6, 2015
Bibliographic data of the European patent application
Jan 6, 2015
Communication about intention to grant a European patent
Jan 6, 2015
Intention to grant (signatures)
Jan 6, 2015
Text intended for grant
Dec 17, 2014
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Dec 9, 2014
Enquiry as to when a communication from the Examining Division can be expected
Jul 28, 2014
Description
Jul 28, 2014
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
May 2, 2014
Bibliographic data of the European patent application
May 2, 2014
Communication about intention to grant a European patent
May 2, 2014
Intention to grant (signatures)
May 2, 2014
Text intended for grant
Mar 26, 2014
Claims
Mar 26, 2014
Reply to communication from the Examining Division
Feb 27, 2014
Communication concerning deficiencies in subsequently filed documents
Feb 12, 2014
Amended claims with annotations
Feb 12, 2014
Reply to communication from the Examining Division
Dec 16, 2013
Grant of extension of time limit (examination procedure)
Dec 12, 2013
CDS Clean up - amended data concerning the representative of the applicant (Association)
Dec 5, 2013
Request for extension of time limit to communication from the Examining Division
Aug 8, 2013
Communication of the registration of a transfer or change of name and/or address
Aug 2, 2013
Annex to the communication
Aug 2, 2013
Communication from the Examining Division
Jul 25, 2013
Examination started
Jun 14, 2013
Submission concerning a transfer of rights (applicant)
Jun 14, 2013
Submission concerning a transfer of rights (applicant)
May 13, 2011
Amended claims filed after receipt of (European) search report
May 13, 2011
Amended claims with annotations
May 13, 2011
Amendments received before examination
May 13, 2011
Letter concerning fees and payments
Feb 22, 2011
Letter concerning the inventor
Feb 8, 2011
Invitation to indicate correct address of inventor
Jan 25, 2011
Letter which had not been notified
Jan 24, 2011
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Dec 20, 2010
Communication regarding the transmission of the European search report
Dec 20, 2010
European search opinion
Dec 20, 2010
European search report
Dec 15, 2010
Notification of forthcoming publication
Oct 21, 2010
Confirmation of receipt of (electronically) transmitted priority document
Sep 30, 2010
Abstract
Sep 30, 2010
Claims
Sep 30, 2010
Description
Sep 30, 2010
Designation of inventor
Sep 30, 2010
Drawings
Sep 30, 2010
Matter concerning the application
Sep 30, 2010
Request for grant of a European patent (divisional application)
Jan 25, 2002
Priority document

EP2272469

LETSON

Application Number: EP10012582A
Filing Date: Jan 25, 2002
Status: Opposition Procedure Closed
Publication Date: Jul 1, 2015
External Links: Slate, Register , Google Patents

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Constrained Prosthetic Knee With Rotating Bearing

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Dossier Documents

EP2272469