The weekly litigation news digest is live. Subscribe now
The patent EP1663323 was granted to The Procter & Gamble on Aug 22, 2018. The application was filed on Sep 10, 2004 under application number EP04783871A. The patent is currently recorded with a legal status of "Revoked".

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 | Opposition Status |
|---|---|---|---|
| UNILEVER UNILEVER | May 14, 2019 | OATES | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2002011584 |
| DESCRIPTION | US4326052 |
| DESCRIPTION | US4326053 |
| DESCRIPTION | US4377636 |
| DESCRIPTION | US4385123 |
| DESCRIPTION | US4520142 |
| DESCRIPTION | US5840789 |
| DESCRIPTION | US5990233 |
| EXAMINATION | JPH03173565 |
| EXAMINATION | US2003044469 |
| EXAMINATION | US3516941 |
| EXAMINATION | US3888689 |
| EXAMINATION | US4018688 |
| EXAMINATION | US4145184 |
| EXAMINATION | US5663134 |
| INTERNATIONAL-SEARCH-REPORT | EP0581274 |
| INTERNATIONAL-SEARCH-REPORT | EP1167618 |
| INTERNATIONAL-SEARCH-REPORT | FR2746261 |
| INTERNATIONAL-SEARCH-REPORT | JP2000096443 |
| INTERNATIONAL-SEARCH-REPORT | JPH03173565 |
| INTERNATIONAL-SEARCH-REPORT | US2003119675 |
| OPPOSITION | KR950026529 |
| OPPOSITION | US2003104969 |
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
Get instant alerts for new documents
Jan 21, 2021
Jan 21, 2021
Dec 4, 2020
Nov 27, 2020
Nov 27, 2020
Nov 23, 2020
Nov 23, 2020
Oct 7, 2020
Oct 7, 2020
Oct 7, 2020
Oct 7, 2020
Oct 7, 2020
Sep 29, 2020
Sep 29, 2020
Sep 29, 2020
Sep 29, 2020
Sep 29, 2020
Sep 29, 2020
Sep 29, 2020
Sep 29, 2020
Sep 29, 2020
Means of redress
OPPO
Sep 29, 2020
Sep 29, 2020
Sep 29, 2020
Sep 29, 2020
Sep 29, 2020
Sep 7, 2020
Aug 24, 2020
Aug 18, 2020
Aug 18, 2020
Aug 18, 2020
Aug 18, 2020
Aug 10, 2020
Jul 10, 2020
Jul 9, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jun 9, 2020
Jun 9, 2020
Jun 4, 2020
Jun 3, 2020
Jun 3, 2020
Mar 18, 2020
Mar 12, 2020
Mar 12, 2020
Feb 4, 2020
Feb 4, 2020
Feb 4, 2020
Feb 4, 2020
Jan 28, 2020
Jan 28, 2020
Jan 28, 2020
Jan 28, 2020
Jan 28, 2020
Jan 28, 2020
Oct 18, 2019
Oct 14, 2019
Oct 14, 2019
Oct 14, 2019
Oct 14, 2019
Oct 14, 2019
Oct 14, 2019
Oct 14, 2019
Sep 5, 2019
Jul 30, 2019
Jul 24, 2019
Jun 25, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Jun 4, 2019
Jun 4, 2019
May 20, 2019
May 14, 2019
May 14, 2019
May 14, 2019
May 14, 2019
May 14, 2019
May 14, 2019
May 14, 2019
May 14, 2019
Mar 5, 2019
Sep 6, 2018
Sep 3, 2018
Jul 26, 2018
Decision to grant a European patent
Search/Exam
Jul 13, 2018
(Electronic) Receipt
Search/Exam
Jul 13, 2018
French translation of claims
Search/Exam
Jul 13, 2018
German translation of the claims
Search/Exam
Jul 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 20, 2018
Mar 20, 2018
Mar 20, 2018
Intention to grant (signatures)
Search/Exam
Mar 20, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 20, 2018
Feb 14, 2018
(Electronic) Receipt
Search/Exam
Feb 14, 2018
Advice of delivery
Search/Exam
Feb 14, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 14, 2018
Jan 31, 2018
Advice of delivery
Search/Exam
Jan 30, 2018
(Electronic) Receipt
Search/Exam
Jan 30, 2018
Amended claims with annotations
Search/Exam
Jan 30, 2018
Amended description with annotations
Search/Exam
Jan 30, 2018
Annex
Search/Exam
Jan 30, 2018
Claims
Search/Exam
Jan 30, 2018
Description
Search/Exam
Jan 30, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 30, 2018
Letter dealing with oral proceedings
Search/Exam
Nov 23, 2017
Advice of delivery
Search/Exam
Nov 17, 2017
Acknowledgement of a document
Search/Exam
Nov 17, 2017
Annex to the communication
Search/Exam
Nov 17, 2017
Preparation for oral proceedings
Search/Exam
Nov 17, 2017
Summons to attend oral proceedings
Search/Exam
Apr 27, 2017
(Electronic) Receipt
Search/Exam
Apr 27, 2017
Amended claims with annotations
Search/Exam
Apr 27, 2017
Claims
Search/Exam
Apr 27, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 27, 2017
Feb 8, 2017
Jan 31, 2017
(Electronic) Receipt
Search/Exam
Jan 31, 2017
Oct 25, 2016
Annex to the communication
Search/Exam
Oct 25, 2016
Communication from the Examining Division
Search/Exam
Apr 9, 2015
(Electronic) Receipt
Search/Exam
Apr 9, 2015
Letter accompanying subsequently filed items
Search/Exam
Apr 9, 2015
Mar 19, 2015
Mar 13, 2015
Mar 9, 2015
Feb 23, 2015
Annex to the communication
Search/Exam
Feb 23, 2015
Communication from the Examining Division
Search/Exam
Dec 4, 2014
Nov 26, 2013
Nov 25, 2013
Nov 19, 2013
Jan 11, 2013
(Electronic) Receipt
Search/Exam
Jan 11, 2013
Amended description with annotations
Search/Exam
Jan 11, 2013
Claims
Search/Exam
Jan 11, 2013
Letter accompanying subsequently filed items
Search/Exam
Jan 11, 2013
Sep 12, 2012
Annex to a communication
Search/Exam
Sep 12, 2012
Annex to the communication
Search/Exam
Sep 12, 2012
Communication from the Examining Division
Search/Exam
Apr 7, 2011
(Electronic) Receipt
Search/Exam
Apr 7, 2011
Claims
Search/Exam
Apr 7, 2011
Description
Search/Exam
Apr 7, 2011
Letter accompanying subsequently filed items
Search/Exam
Apr 7, 2011
Feb 14, 2011
Feb 9, 2011
Oct 11, 2010
Annex to the communication
Search/Exam
Oct 11, 2010
Communication from the Examining Division
Search/Exam
Nov 20, 2009
Nov 20, 2009
European search report
Search/Exam
Oct 30, 2009
Dec 5, 2007
Refund of fees
Search/Exam
Sep 21, 2007
Letter concerning search matters
Search/Exam
Aug 14, 2007
Annex to the communication
Search/Exam
Aug 14, 2007
Aug 14, 2006
Jul 26, 2006
Letter concerning the inventor
Search/Exam
Jul 26, 2006
Request for change of representative
Search/Exam
Jun 2, 2006
May 12, 2006
Letter which had not been notified
Search/Exam
May 10, 2006
Apr 21, 2006
Mar 28, 2006
Feb 17, 2006
Request for entry into the European phase
Search/Exam
Jan 27, 2006
Information on entry into European phase
Search/Exam
Jul 21, 2005
Copy of the international search report
Search/Exam
Jul 21, 2005
Apr 13, 2005
Mar 24, 2005
Published international application - A2
Search/Exam
Oct 25, 2004
Abstract
PCTISA
Oct 25, 2004
Claims
PCTISA
Oct 25, 2004
Description
PCTISA
Oct 25, 2004