IP Verse

Polyester Polymer Particles Having A Small Surface To Center Viscosity Gradient

Patent No. EP1953179 (titled "Polyester Polymer Particles Having A Small Surface To Center Viscosity Gradient") was filed by Eastman Chemical on Mar 3, 2005. The application was issued on Apr 27, 2016.

Patent Summary

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Patent Oppositions

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
TEN ZIMMER	Jan 24, 2017	MEYER DULHEUER MD LEGAL PATENTANWALTE PARTG MBB

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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Aug 10, 2022
Termination of the opposition proceedings with maintenance of patent
Aug 9, 2022
Advice of delivery
Aug 4, 2022
Decision of the Board of Appeal
Aug 4, 2022
F3032 Notification(s) of the decision
Aug 4, 2022
F3032 Notification(s) of the decision
May 31, 2022
F3013 Oral Proceedings: Forwarding minutes
May 31, 2022
F3013 Oral Proceedings: Forwarding minutes
May 31, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
May 18, 2022
Communication of amended entries in the Register of European Patents
May 18, 2022
F3345 Forwarding of submissions to parties
May 13, 2022
Annexes in respect of a client data request
May 13, 2022
Request for change of name -opponent
May 12, 2022
Annexes in respect of a client data request
May 12, 2022
Request for change of name -opponent
Apr 8, 2022
Oral proceedings: change of venue
Apr 8, 2022
Oral proceedings: change of venue
Apr 7, 2022
Advice of delivery
Apr 6, 2022
Letter dealing with oral proceedings during the appeal procedure
Apr 5, 2022
F3345 Forwarding of submissions to parties
Apr 4, 2022
Letter dealing with oral proceedings during the appeal procedure
Mar 31, 2022
F3345 Forwarding of submissions to parties
Mar 25, 2022
(Electronic) Receipt
Mar 25, 2022
Letter accompanying subsequently filed items
Mar 25, 2022
Letter dealing with oral proceedings during the appeal procedure
Feb 3, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 3, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 3, 2022
F3345 Forwarding of submissions to parties
Dec 21, 2021
(Electronic) Receipt
Dec 21, 2021
Letter accompanying subsequently filed items
Dec 21, 2021
Letter dealing with oral proceedings during the appeal procedure
Nov 11, 2021
F3345 Forwarding of submissions to parties
Nov 10, 2021
Letter dealing with oral proceedings during the appeal procedure
Nov 5, 2021
Letter dealing with oral proceedings during the appeal procedure
Jun 30, 2021
Advice of delivery
Jun 29, 2021
Advice of delivery
Jun 25, 2021
F3011.1 Oral Proceedings: summons
Jun 25, 2021
F3011.1 Oral Proceedings: summons
Jun 22, 2021
F3010 Oral proceedings: order for summons
Mar 12, 2021
Request for change of opponent's representative
Mar 30, 2020
Request concerning representative opponent
Apr 15, 2019
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 15, 2019
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 11, 2019
F3039 Attendance note about a phone conversation and continuation sheet
Apr 4, 2019
F3345 Forwarding of submissions to parties
Apr 1, 2019
(Electronic) Receipt
Apr 1, 2019
Amended claims with annotations
Apr 1, 2019
Amended claims with annotations
Apr 1, 2019
Cited document during appeal procedure
Apr 1, 2019
Claims
Apr 1, 2019
Claims
Apr 1, 2019
F3056 Communication: Change of Board due to the technical nature of the appeal
Apr 1, 2019
F3056 Communication: Change of Board due to the technical nature of the appeal
Apr 1, 2019
Letter accompanying subsequently filed items
Apr 1, 2019
Reply to appeal
Mar 28, 2019
F3313 Order: change of Board due to the technical aspects of the appeal
Mar 27, 2019
Composition of the board (T)
Mar 15, 2019
Request for change of opponent's representative
Mar 1, 2019
F3345 Forwarding of submissions to parties
Mar 1, 2019
F3345 Forwarding of submissions to parties
Feb 22, 2019
Letter relating to Appeal Procedure
Feb 20, 2019
Letter relating to Appeal Procedure
Feb 20, 2019
Non-Patent Literature cited during the appeal procedure
Feb 20, 2019
Patent Document cited during the appeal procedure
Feb 20, 2019
Patent Document cited during the appeal procedure
Feb 19, 2019
Annexes (other than cited documents) regarding appeal procedure
Feb 19, 2019
Letter relating to Appeal Procedure
Feb 19, 2019
Letter relating to Appeal Procedure
Nov 30, 2018
F3345 Forwarding of submissions to parties
Nov 26, 2018
Non-Patent Literature cited during the appeal procedure
Nov 26, 2018
Non-Patent Literature cited during the appeal procedure
Nov 26, 2018
Non-Patent Literature cited during the appeal procedure
Nov 26, 2018
Non-Patent Literature cited during the appeal procedure
Nov 26, 2018
Patent Document cited during the appeal procedure
Nov 26, 2018
Patent Document cited during the appeal procedure
Nov 26, 2018
Patent Document cited during the appeal procedure
Nov 26, 2018
Statement of grounds of appeal
Nov 22, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 17, 2018
Non-Patent Literature cited during the appeal procedure
Nov 17, 2018
Non-Patent Literature cited during the appeal procedure
Nov 17, 2018
Non-Patent Literature cited during the appeal procedure
Nov 17, 2018
Patent Document cited during the appeal procedure
Nov 17, 2018
Patent Document cited during the appeal procedure
Nov 17, 2018
Statement of grounds of appeal
Nov 16, 2018
Patent Document cited during the appeal procedure
Nov 16, 2018
Statement of grounds of appeal
Sep 17, 2018
F3345 Forwarding of submissions to parties
Sep 10, 2018
Letter relating to Appeal Procedure
Sep 10, 2018
Letter relating to Appeal Procedure
Sep 7, 2018
Advice of delivery
Sep 5, 2018
F3936 Acknowledgement of receipt Board of Appeal
Sep 4, 2018
Communication regarding the examination of the appeal
Sep 4, 2018
F3045 Inadmissibility of the appeal: missing address / missing name
Aug 31, 2018
Letter concerning fees and payments
Aug 31, 2018
Notice of appeal
Aug 15, 2018
Processing of an appeal
Aug 14, 2018
Notice of appeal
Jul 12, 2018
Advice of delivery
Jul 12, 2018
Advice of delivery
Jul 10, 2018
Advice of delivery
Jul 9, 2018
Advice of delivery
Jul 6, 2018
Acknowledgement of a document
Jul 6, 2018
Acknowledgement of a document
Jul 6, 2018
Annex to the communication - opposition
Jul 6, 2018
Decision of the Opposition Division and instruction
Jul 6, 2018
Decision rejecting the opposition
Jul 6, 2018
Grounds for the decision (Annex) - opposition
Jul 6, 2018
Internal form - Opposition/addressees
Jul 6, 2018
Internal form - Opposition/addressees
Jul 6, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 6, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 6, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 6, 2018
Provision of a copy of the minutes - opposition procedure
May 30, 2018
Information about the result of oral proceedings
May 17, 2018
Brief communication - Opposition proceedings
May 16, 2018
Advice of delivery
May 15, 2018
Brief communication - Opposition proceedings
May 9, 2018
Patent document cited during the opposition procedure
May 9, 2018
Written submission in preparation to/during oral proceedings
May 8, 2018
Patent document cited during the opposition procedure
May 8, 2018
Written submission in preparation to/during oral proceedings
May 7, 2018
Brief communication - Opposition proceedings
May 4, 2018
Written submission in preparation to/during oral proceedings
Apr 30, 2018
Written submission in preparation to/during oral proceedings
Apr 11, 2018
Brief communication - Opposition proceedings
Apr 5, 2018
Request for interpreters during oral proceedings
Mar 27, 2018
Brief communication - Opposition proceedings
Mar 22, 2018
(Electronic) Receipt
Mar 22, 2018
Amended claims with annotations
Mar 22, 2018
Amended claims with annotations
Mar 22, 2018
Citation in opposition procedure
Mar 22, 2018
Claims
Mar 22, 2018
Claims
Mar 22, 2018
Letter accompanying subsequently filed items
Mar 22, 2018
Written submission in preparation to/during oral proceedings
Feb 28, 2018
Brief communication - Opposition proceedings
Feb 23, 2018
(Electronic) Receipt
Feb 23, 2018
Letter accompanying subsequently filed items
Feb 23, 2018
Request for interpreters during oral proceedings
Feb 13, 2018
Brief communication - Opposition proceedings
Feb 13, 2018
Written submission in preparation to/during oral proceedings
Feb 7, 2018
Written submission in preparation to/during oral proceedings
Oct 27, 2017
Advice of delivery
Oct 23, 2017
Advice of delivery
Oct 20, 2017
Advice of delivery
Oct 19, 2017
Advice of delivery
Oct 19, 2017
Advice of delivery
Oct 18, 2017
Annex to the communication - opposition
Oct 18, 2017
Information concerning oral proceedings
Oct 18, 2017
Preparation for oral proceedings
Oct 18, 2017
Summons to attend oral proceedings
Oct 18, 2017
Summons to attend oral proceedings
Jul 7, 2017
Brief communication - Opposition proceedings
Jul 3, 2017
(Electronic) Receipt
Jul 3, 2017
Letter accompanying subsequently filed items
Jul 3, 2017
Reply of the patent proprietor to the notice(s) of opposition
Mar 7, 2017
Communication of a notice of opposition and request to file observations
Mar 7, 2017
Notice of further oppositions to opponent(s)
Feb 13, 2017
Brief communication - Opposition proceedings
Feb 10, 2017
Communication of a notice of opposition - first information to patent proprietor
Feb 6, 2017
Citation in opposition procedure
Feb 6, 2017
Notice of opposition
Feb 6, 2017
Notice of opposition
Feb 6, 2017
Patent document cited during the opposition procedure
Feb 6, 2017
Patent document cited during the opposition procedure
Feb 6, 2017
Patent document cited during the opposition procedure
Feb 6, 2017
Patent document cited during the opposition procedure
Feb 6, 2017
Patent document cited during the opposition procedure
Feb 6, 2017
Patent document cited during the opposition procedure
Feb 6, 2017
Patent document cited during the opposition procedure
Feb 6, 2017
Patent document cited during the opposition procedure
Feb 6, 2017
Patent document cited during the opposition procedure
Feb 6, 2017
Patent document cited during the opposition procedure
Feb 6, 2017
Patent document cited during the opposition procedure
Feb 6, 2017
Patent document cited during the opposition procedure
Feb 6, 2017
Patent document cited during the opposition procedure
Feb 6, 2017
Patent document cited during the opposition procedure
Feb 6, 2017
Patent document cited during the opposition procedure
Feb 6, 2017
Patent document cited during the opposition procedure
Feb 6, 2017
Patent document cited during the opposition procedure
Feb 6, 2017
Payment of fees and costs
Jan 25, 2017
Notice of opposition
Jan 25, 2017
Notice of opposition
Jan 25, 2017
Payment of fees and costs
Jan 25, 2017
Payment of fees and costs
Jan 24, 2017
Notice of opposition
Jan 24, 2017
Notice of opposition
Jan 24, 2017
Payment of fees and costs
Jan 24, 2017
Payment of fees and costs
Oct 13, 2016
Submission concerning representation
Apr 28, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 1, 2016
Decision to grant a European patent
Feb 1, 2016
Filing of the translations of the claims
Feb 1, 2016
French translation of claims
Feb 1, 2016
German translation of the claims
Feb 1, 2016
Payment of fees and costs
Oct 23, 2015
Bibliographic data of the European patent application
Oct 23, 2015
Communication about intention to grant a European patent
Oct 23, 2015
Intention to grant (signatures)
Oct 23, 2015
Text intended for grant (clean copy)
Oct 23, 2015
Text intended for grant (version for approval)
Jun 5, 2015
Amended claims with annotations
Jun 5, 2015
Claims
Jun 5, 2015
Reply to communication from the Examining Division
Mar 6, 2015
Annex to the communication
Mar 6, 2015
Communication from the Examining Division
Mar 21, 2014
Amended claims with annotations
Mar 21, 2014
Claims
Mar 21, 2014
Reply to communication from the Examining Division
Dec 13, 2013
Annex to the communication
Dec 13, 2013
Communication from the Examining Division
Sep 3, 2013
Communication concerning corrected entries of the applicant
Aug 28, 2013
Request for correction
Aug 28, 2013
Request for correction
Mar 5, 2013
Description
Mar 5, 2013
Reply to communication from the Examining Division
Nov 28, 2012
Annex to the communication
Nov 28, 2012
Communication from the Examining Division
Apr 24, 2012
Claims
Apr 24, 2012
Reply to communication from the Examining Division
Apr 24, 2012
Reply to communication from the Examining Division
Dec 19, 2011
Annex to the communication
Dec 19, 2011
Communication from the Examining Division
Oct 4, 2011
Submission concerning representation
Sep 1, 2011
Communication of the registration of a transfer or change of name and/or address
Aug 26, 2011
Submission concerning change of applicant's address
Aug 17, 2011
Communication of the registration of a transfer or change of name and/or address
Aug 9, 2011
Submission concerning a transfer of rights (applicant)
Oct 25, 2010
Claims
Oct 25, 2010
Claims
Oct 25, 2010
Description
Oct 25, 2010
Reply to communication from the Examining Division
Sep 1, 2010
Grant of extension of time limit (examination procedure)
Aug 24, 2010
Request for extension of time limit to communication from the Examining Division
Apr 15, 2010
Annex to the communication
Apr 15, 2010
Communication from the Examining Division
Oct 2, 2009
Claims
Oct 2, 2009
Claims
Oct 2, 2009
Description
Oct 2, 2009
Reply to communication from the Examining Division
Sep 29, 2009
Grant of extension of time limit (examination procedure)
Sep 22, 2009
Request for extension of time limit to communication from the Examining Division
Sep 21, 2009
Request for extension of time limit to communication from the Examining Division
Jul 17, 2009
Grant of extension of time limit (examination procedure)
Jul 8, 2009
Request for extension of time limit to communication from the Examining Division
Mar 11, 2009
Communication from the Examining Division
Feb 25, 2009
Refund of fees
Jan 28, 2009
Letter concerning the designation and/or extension and/or validation of states
Aug 11, 2008
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jul 30, 2008
Refund order search fee
Jul 9, 2008
Notification of forthcoming publication
Jun 10, 2008
Communication regarding the transmission of the European search report
Jun 10, 2008
European search opinion
Jun 10, 2008
European search report
Apr 4, 2008
Confirmation of receipt of (electronically) transmitted priority document
Mar 18, 2008
Abstract
Mar 18, 2008
Claims
Mar 18, 2008
Description
Mar 18, 2008
Designation of inventor
Mar 18, 2008
Request for grant of a European patent (divisional application)
Mar 3, 2005
Priority document

EP1953179

EASTMAN CHEMICAL

Application Number: EP08005050A
Filing Date: Mar 3, 2005
Status: Opposition Rejected; Aug 12, 2022
Publication Date: Apr 27, 2016
External Links: Slate, Register , Google Patents