Variable Surface Area Tire Tread And Tire

Patent No. EP2323858 (titled "Variable Surface Area Tire Tread And Tire") was filed by Compagnie Gnrale DES Etablissements Michelin on Sep 11, 2008. The application was issued on Mar 20, 2013.

UPC Cases New

Latest UPC cases involving this patent.

Case Number	Filing Date	Plaintiff	Proceeding Type
UPC_CFI_522/2025	Jun 17, 2025	Goodyear, Goodyear France	Counter Claim For Revocation
UPC_CFI_138/2025	Feb 24, 2025	Compagnie Generale DES Etablissements Michelin	Infringement

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 24, 2014
Communication regarding the expiry of opposition period
Mar 22, 2013
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 21, 2013
Decision to grant a European patent
Jan 31, 2013
(Electronic) Receipt
Jan 31, 2013
Filing of the translations of the claims
Jan 31, 2013
French translation of claims
Jan 31, 2013
German translation of the claims
Jan 31, 2013
Letter accompanying subsequently filed items
Oct 23, 2012
Bibliographic data of the European patent application
Oct 23, 2012
Communication about intention to grant a European patent
Oct 23, 2012
Intention to grant (signatures)
Oct 23, 2012
Text intended for grant
Oct 18, 2012
Communication of the registration of a transfer or change of name and/or address
Oct 12, 2012
Submission concerning a transfer of rights (applicant)
Sep 27, 2012
(Electronic) Receipt
Sep 27, 2012
Letter accompanying subsequently filed items
Sep 27, 2012
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Sep 21, 2012
(Electronic) Receipt
Sep 21, 2012
Claims
Sep 21, 2012
Letter accompanying subsequently filed items
Sep 21, 2012
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
May 21, 2012
Bibliographic data of the European patent application
May 21, 2012
Communication about intention to grant a European patent
May 21, 2012
Intention to grant (signatures)
May 21, 2012
Text intended for grant
Mar 2, 2012
Maintenance of the application
Feb 29, 2012
Amended claims filed after receipt of (European) search report
Feb 29, 2012
Amended claims with annotations
Feb 29, 2012
Amendments received before examination
Sep 5, 2011
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Aug 17, 2011
Communication regarding the transmission of the European search report
Aug 17, 2011
European search opinion
Aug 17, 2011
Supplementary European search report
Apr 28, 2011
Notification on forthcoming publication of bibliographic data
Apr 27, 2011
Communication regarding possible amendment of the application/payment of claims fee
Mar 31, 2011
Copy of the international preliminary report on patentability
Mar 4, 2011
(Electronic) Receipt
Mar 4, 2011
Amended claims filed after receipt of (European) search report
Mar 4, 2011
Request for entry into the European phase
Jan 21, 2011
Information on entry into European phase
Mar 18, 2010
Copy of the international search report
Mar 18, 2010
Published international application - A1

EP2323858

COMPAGNIE GNRALE DES ETABLISSEMENTS MICHELIN

Application Number: EP08821965A
Filing Date: Sep 11, 2008
Status: No Opposition Filed Within Time Limit
Publication Date: Mar 20, 2013
External Links: Slate, Register , Google Patents

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Variable Surface Area Tire Tread And Tire

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EP2323858