The weekly litigation news digest is live. Subscribe now
The patent EP1776503 was granted to Kadant on Jun 7, 2023. The application was originally filed on Jun 9, 2005 under application number EP05759372A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US4549933 |
| DESCRIPTION | US4735144 |
| DESCRIPTION | US5117264 |
| EXAMINATION | WO02079318 |
| EXAMINATION | WO03040223 |
| EXAMINATION | WO2004024811 |
| INTERNATIONAL-SEARCH-REPORT | EP1069235 |
| INTERNATIONAL-SEARCH-REPORT | US4549933 |
| OPPOSITION | JP2000144054 |
| OPPOSITION | JP2002265869 |
| OPPOSITION | US2002068162 |
| OPPOSITION | US4549933 |
| OPPOSITION | US6500534 |
| OPPOSITION | WO0015904 |
| OPPOSITION | WO0048747 |
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
May 11, 2023
May 11, 2023
May 8, 2023
Apr 25, 2023
Apr 25, 2023
Apr 25, 2023
Apr 25, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 3, 2023
Mar 3, 2023
Feb 13, 2023
Refund of fees
Appeal
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Dec 22, 2022
Dec 16, 2022
(Electronic) Receipt
Appeal
Dec 16, 2022
Dec 16, 2022
Dec 12, 2022
Dec 12, 2022
Dec 9, 2022
Dec 6, 2022
(Electronic) Receipt
Appeal
Dec 6, 2022
Dec 6, 2022
Oct 25, 2022
Oct 25, 2022
Sep 20, 2022
Sep 15, 2022
(Electronic) Receipt
Appeal
Sep 15, 2022
Sep 15, 2022
Jun 24, 2022
Jun 24, 2022
Jun 24, 2022
Jun 21, 2022
Jun 20, 2022
May 10, 2022
May 4, 2022
(Electronic) Receipt
Appeal
May 4, 2022
May 4, 2022
May 4, 2022
Nov 15, 2021
Nov 10, 2021
(Electronic) Receipt
Appeal
Nov 10, 2021
Nov 10, 2021
Nov 10, 2021
Claims
Appeal
Nov 10, 2021
Claims
Appeal
Nov 10, 2021
Nov 10, 2021
Reply to appeal
Appeal
Jul 20, 2021
Jul 15, 2021
(Electronic) Receipt
Appeal
Jul 15, 2021
Jul 15, 2021
Apr 21, 2021
Apr 21, 2021
Apr 15, 2021
(Electronic) Receipt
Appeal
Apr 15, 2021
Apr 15, 2021
Notice of appeal
Appeal
Mar 8, 2021
Mar 8, 2021
Mar 8, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Means of redress
OPPO
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Feb 3, 2021
Dec 23, 2020
Dec 16, 2020
Dec 16, 2020
Dec 7, 2020
Jun 26, 2020
Jun 22, 2020
Jun 22, 2020
Jun 22, 2020
Jun 19, 2020
Jun 19, 2020
Jun 19, 2020
Jun 18, 2020
Jun 18, 2020
Jun 18, 2020
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Mar 18, 2020
Mar 18, 2020
Mar 16, 2020
Mar 16, 2020
Mar 16, 2020
Mar 13, 2020
Mar 13, 2020
Mar 13, 2020
Mar 13, 2020
Jan 29, 2020
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
Dec 6, 2019
Dec 2, 2019
Dec 2, 2019
Dec 2, 2019
Dec 2, 2019
Jul 31, 2019
Jul 31, 2019
Jul 31, 2019
Jul 31, 2019
Jul 26, 2019
Jul 26, 2019
Jul 26, 2019
Jun 27, 2019
Jun 26, 2019
Jun 24, 2019
Jun 24, 2019
Jun 24, 2019
Jun 24, 2019
Jun 24, 2019
Jun 24, 2019
Mar 14, 2019
Mar 11, 2019
Mar 11, 2019
Mar 11, 2019
Claims
OPPO
Mar 11, 2019
Mar 11, 2019
Dec 6, 2018
Dec 6, 2018
Nov 29, 2018
Nov 21, 2018
Nov 21, 2018
Nov 21, 2018
Nov 21, 2018
Nov 21, 2018
Nov 21, 2018
Nov 21, 2018
Nov 21, 2018
Nov 21, 2018
Nov 21, 2018
Nov 21, 2018
Nov 21, 2018
Nov 21, 2018
Mar 9, 2018
Mar 2, 2018
Feb 26, 2018
Feb 21, 2018
Jan 25, 2018
Decision to grant a European patent
Search/Exam
Jan 17, 2018
Jan 9, 2018
(Electronic) Receipt
Search/Exam
Jan 9, 2018
Filing of the translations of the claims
Search/Exam
Jan 9, 2018
French translation of claims
Search/Exam
Jan 9, 2018
German translation of the claims
Search/Exam
Jan 9, 2018
Letter concerning the inventor
Search/Exam
Jan 4, 2018
Dec 21, 2017
Oct 13, 2017
Oct 13, 2017
Oct 13, 2017
Intention to grant (signatures)
Search/Exam
Oct 13, 2017
Text intended for grant (clean copy)
Search/Exam
Oct 13, 2017
Apr 3, 2017
(Electronic) Receipt
Search/Exam
Apr 3, 2017
Amended claims with annotations
Search/Exam
Apr 3, 2017
Claims
Search/Exam
Apr 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 3, 2017
Nov 24, 2016
Annex to the communication
Search/Exam
Nov 24, 2016
Communication from the Examining Division
Search/Exam
Aug 17, 2016
Aug 3, 2016
Jun 14, 2016
(Electronic) Receipt
Search/Exam
Jun 14, 2016
Annexes in respect of a client data request
Search/Exam
Jun 14, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 14, 2016
May 31, 2016
(Electronic) Receipt
Search/Exam
May 31, 2016
Letter accompanying subsequently filed items
Search/Exam
May 31, 2016
May 18, 2016
May 11, 2016
(Electronic) Receipt
Search/Exam
May 11, 2016
Jan 20, 2016
Annex to the communication
Search/Exam
Jan 20, 2016
Communication from the Examining Division
Search/Exam
Oct 8, 2015
(Electronic) Receipt
Search/Exam
Oct 8, 2015
Amended claims with annotations
Search/Exam
Oct 8, 2015
Claims
Search/Exam
Oct 8, 2015
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2015
Jul 28, 2015
Jul 23, 2015
(Electronic) Receipt
Search/Exam
Jul 23, 2015
Jun 3, 2015
Jun 3, 2015
Mar 31, 2015
Annex to the communication
Search/Exam
Mar 31, 2015
Communication from the Examining Division
Search/Exam
Mar 18, 2015
Mar 18, 2015
Mar 11, 2015
(Electronic) Receipt
Search/Exam
Mar 11, 2015
Letter accompanying subsequently filed items
Search/Exam
Mar 11, 2015
Jun 25, 2014
Jun 18, 2014
(Electronic) Receipt
Search/Exam
Jun 18, 2014
Jun 18, 2014
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2014
Jan 3, 2014
May 3, 2013
Submission concerning representation
Search/Exam
Apr 19, 2012
(Electronic) Receipt
Search/Exam
Apr 19, 2012
Claims
Search/Exam
Apr 19, 2012
Letter accompanying subsequently filed items
Search/Exam
Apr 19, 2012
Dec 12, 2011
Annex to the communication
Search/Exam
Dec 12, 2011
Communication from the Examining Division
Search/Exam
Feb 23, 2010
Nov 25, 2009
Submission concerning representation
Search/Exam
Oct 29, 2008
Refund of fees
Search/Exam
Oct 29, 2008
Refund of fees
Search/Exam
Apr 21, 2007
Letter concerning fees and payments
Search/Exam
Mar 28, 2007
Feb 7, 2007
Jan 4, 2007
Dec 14, 2006
Matter concerning the application
Search/Exam
Dec 14, 2006
Request for entry into the European phase
Search/Exam
Nov 6, 2006
Information on entry into European phase
Search/Exam
Jan 18, 2006
Dec 29, 2005
Dec 29, 2005
Copy of the international search report
Search/Exam
Dec 29, 2005
Published international application - A1
Search/Exam
Jul 27, 2005
Abstract
PCTISA
Jul 27, 2005
Claims
PCTISA
Jul 27, 2005
Description
PCTISA
Jul 27, 2005
Drawings
PCTISA