The weekly litigation news digest is live. Subscribe now
The patent EP1587502 was granted to BSN Medical on May 21, 2025. The application was filed on Dec 3, 2003 under application number EP03789850A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| PAUL HARTMANN | Feb 28, 2018 | DREISS PATENTANWALTE PARTG MBB | - |
| SMITH & NEPHEW | Feb 27, 2018 | APPLEYARD LEES | - |
| COLOPLAST | Feb 9, 2018 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US4373519 |
| DESCRIPTION | US4738257 |
| DESCRIPTION | US5340363 |
| DESCRIPTION | US5409472 |
| DESCRIPTION | US5782787 |
| DESCRIPTION | US6040492 |
| DESCRIPTION | US6051747 |
| DESCRIPTION | US6207875 |
| DESCRIPTION | US6486378 |
| DESCRIPTION | US6566576 |
| EXAMINATION | US6207875 |
| INTERNATIONAL-SEARCH-REPORT | US4738257 |
| INTERNATIONAL-SEARCH-REPORT | US6051747 |
| INTERNATIONAL-SEARCH-REPORT | US6486378 |
| OPPOSITION | EP0261167 |
| OPPOSITION | US5487899 |
| OPPOSITION | US5540922 |
| OPPOSITION | WO0167984 |
| OPPOSITION | WO0205737 |
| OPPOSITION | WO9101706 |
| OPPOSITION | WO9319709 |
| OPPOSITION | WO9319710 |
| OPPOSITION | WO9728832 |
| OTHER | EP0775477 |
| OTHER | US5340363 |
| SEARCH | EP0775477 |
| SEARCH | US5340363 |
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
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 11, 2025
Apr 11, 2025
Apr 11, 2025
Apr 11, 2025
Apr 11, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Jan 31, 2025
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Means of redress
OPPO
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Aug 20, 2024
Aug 20, 2024
Aug 20, 2024
Aug 20, 2024
Aug 14, 2024
Jul 15, 2024
Jul 15, 2024
Jul 15, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jun 12, 2024
Jun 12, 2024
Jun 12, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
May 28, 2024
May 28, 2024
May 28, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 14, 2024
May 14, 2024
May 14, 2024
May 8, 2024
May 8, 2024
May 8, 2024
Description
OPPO
May 8, 2024
May 8, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 13, 2024
Feb 13, 2024
Feb 13, 2024
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Description
OPPO
Dec 8, 2023
Dec 8, 2023
Oct 19, 2023
Oct 19, 2023
Oct 19, 2023
Oct 19, 2023
Oct 19, 2023
Oct 19, 2023
Oct 19, 2023
Oct 19, 2023
Oct 19, 2023
Aug 28, 2023
Advice of delivery
Appeal
Aug 10, 2023
Advice of delivery
Appeal
Aug 7, 2023
Advice of delivery
Appeal
Aug 1, 2023
Aug 1, 2023
Aug 1, 2023
Aug 1, 2023
Aug 1, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
May 24, 2023
May 24, 2023
May 24, 2023
May 19, 2023
May 19, 2023
May 19, 2023
May 18, 2023
(Electronic) Receipt
Appeal
May 18, 2023
May 18, 2023
May 15, 2023
(Electronic) Receipt
Appeal
May 15, 2023
May 15, 2023
May 10, 2023
May 10, 2023
May 10, 2023
May 10, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 14, 2023
(Electronic) Receipt
Appeal
Apr 14, 2023
Apr 14, 2023
Sep 9, 2022
Sep 9, 2022
Sep 9, 2022
Sep 6, 2022
(Electronic) Receipt
Appeal
Sep 6, 2022
Sep 6, 2022
Jul 14, 2022
Jul 14, 2022
Jul 14, 2022
Jul 11, 2022
(Electronic) Receipt
Appeal
Jul 11, 2022
Jul 11, 2022
Jun 27, 2022
Advice of delivery
Appeal
Jun 23, 2022
Advice of delivery
Appeal
Jun 23, 2022
Advice of delivery
Appeal
Jun 17, 2022
Jun 17, 2022
Jun 17, 2022
Jun 17, 2022
Jun 13, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 22, 2022
(Electronic) Receipt
Appeal
Feb 22, 2022
Feb 22, 2022
Oct 21, 2021
Oct 21, 2021
Oct 21, 2021
Oct 21, 2021
Oct 21, 2021
Oct 21, 2021
Oct 18, 2021
(Electronic) Receipt
Appeal
Oct 18, 2021
Oct 18, 2021
Claims
Appeal
Oct 18, 2021
Oct 18, 2021
Oct 15, 2021
(Electronic) Receipt
Appeal
Oct 15, 2021
Oct 15, 2021
Oct 14, 2021
Oct 14, 2021
Oct 14, 2021
Oct 8, 2021
(Electronic) Receipt
Appeal
Oct 8, 2021
Oct 8, 2021
Jun 8, 2021
Jun 8, 2021
Jun 8, 2021
Jun 8, 2021
Dec 8, 2020
Aug 11, 2020
Aug 11, 2020
Aug 11, 2020
Aug 7, 2020
Aug 7, 2020
Aug 7, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 5, 2020
(Electronic) Receipt
Appeal
Aug 5, 2020
Aug 5, 2020
Reply to appeal
Appeal
Aug 4, 2020
(Electronic) Receipt
Appeal
Aug 4, 2020
Aug 4, 2020
Aug 4, 2020
Aug 4, 2020
Aug 4, 2020
Reply to appeal
Appeal
Jul 31, 2020
(Electronic) Receipt
Appeal
Jul 31, 2020
Jul 31, 2020
Reply to appeal
Appeal
Mar 26, 2020
Mar 26, 2020
Mar 26, 2020
Mar 26, 2020
Mar 26, 2020
Mar 26, 2020
Mar 26, 2020
Mar 18, 2020
(Electronic) Receipt
Appeal
Mar 18, 2020
(Electronic) Receipt
Appeal
Mar 18, 2020
Mar 18, 2020
Mar 18, 2020
Mar 18, 2020
Mar 18, 2020
Mar 18, 2020
Mar 18, 2020
Mar 18, 2020
Mar 18, 2020
Mar 18, 2020
Claims
Appeal
Mar 18, 2020
Claims
Appeal
Mar 18, 2020
Claims
Appeal
Mar 18, 2020
Claims
Appeal
Mar 18, 2020
Claims
Appeal
Mar 18, 2020
Claims
Appeal
Mar 18, 2020
Claims
Appeal
Mar 18, 2020
Claims
Appeal
Mar 18, 2020
Claims
Appeal
Mar 18, 2020
Mar 18, 2020
Mar 18, 2020
Mar 18, 2020
Mar 18, 2020
Mar 18, 2020
Mar 18, 2020
Mar 16, 2020
(Electronic) Receipt
Appeal
Mar 16, 2020
Mar 16, 2020
Jan 23, 2020
Jan 22, 2020
Jan 20, 2020
(Electronic) Receipt
Appeal
Jan 20, 2020
Jan 20, 2020
Notice of appeal
Appeal
Jan 16, 2020
(Electronic) Receipt
Appeal
Jan 16, 2020
Jan 16, 2020
Notice of appeal
Appeal
Jan 16, 2020
Notice of appeal
Appeal
Jan 14, 2020
Dec 27, 2019
(Electronic) Receipt
Appeal
Dec 27, 2019
Dec 27, 2019
Notice of appeal
Appeal
Nov 25, 2019
Nov 25, 2019
Nov 14, 2019
Nov 14, 2019
Nov 12, 2019
Nov 8, 2019
Nov 8, 2019
Nov 8, 2019
Nov 8, 2019
Nov 8, 2019
Nov 8, 2019
Nov 8, 2019
Nov 8, 2019
Means of redress
OPPO
Nov 8, 2019
Nov 8, 2019
Nov 8, 2019
Nov 8, 2019
Nov 8, 2019
Sep 17, 2019
Sep 4, 2019
Sep 4, 2019
Sep 4, 2019
Aug 30, 2019
Aug 30, 2019
Aug 30, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 16, 2019
Aug 16, 2019
Aug 16, 2019
Aug 16, 2019
Aug 16, 2019
Aug 16, 2019
Aug 9, 2019
Aug 9, 2019
Aug 9, 2019
Aug 9, 2019
Aug 9, 2019
Aug 9, 2019
Aug 9, 2019
Aug 9, 2019
Aug 9, 2019
Aug 9, 2019
Aug 9, 2019
Claims
OPPO
Aug 9, 2019
Claims
OPPO
Aug 9, 2019
Claims
OPPO
Aug 9, 2019
Claims
OPPO
Aug 9, 2019
Claims
OPPO
Aug 9, 2019
Claims
OPPO
Aug 9, 2019
Claims
OPPO
Aug 9, 2019
Claims
OPPO
Aug 9, 2019
Claims
OPPO
Aug 9, 2019
Aug 9, 2019
Jul 25, 2019
Jul 25, 2019
Jul 25, 2019
Jul 23, 2019
Jul 23, 2019
Jul 23, 2019
Jul 22, 2019
Jul 22, 2019
Jul 22, 2019
Jul 22, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Claims
OPPO
Jul 17, 2019
Claims
OPPO
Jul 17, 2019
Claims
OPPO
Jul 17, 2019
Claims
OPPO
Jul 17, 2019
Claims
OPPO
Jul 17, 2019
Claims
OPPO
Jul 17, 2019
Claims
OPPO
Jul 17, 2019
Claims
OPPO
Jul 17, 2019
Claims
OPPO
Jul 17, 2019
Claims
OPPO
Jul 17, 2019
Claims
OPPO
Jul 17, 2019
Claims
OPPO
Jul 17, 2019
Claims
OPPO
Jul 17, 2019
Claims
OPPO
Jul 17, 2019
Claims
OPPO
Jul 17, 2019
Claims
OPPO
Jul 17, 2019
Claims
OPPO
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Jul 12, 2019
Jul 12, 2019
Jul 12, 2019
Jul 12, 2019
Jul 12, 2019
Jul 12, 2019
Jul 5, 2019
Jul 5, 2019
Jul 5, 2019
Feb 11, 2019
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Jan 30, 2019
Jan 29, 2019
Jan 29, 2019
Jan 24, 2019
Jan 23, 2019
Jan 21, 2019
Jan 21, 2019
Jan 15, 2019
Jan 15, 2019
Jan 15, 2019
Jan 15, 2019
Jan 15, 2019
Jan 15, 2019
Aug 2, 2018
Aug 2, 2018
Aug 2, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Mar 14, 2018
Mar 14, 2018
Mar 14, 2018
Mar 14, 2018
Mar 8, 2018
Mar 8, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 27, 2018
Feb 27, 2018
Feb 27, 2018
Feb 27, 2018
Feb 27, 2018
Feb 27, 2018
Feb 27, 2018
Feb 27, 2018
Feb 19, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
May 31, 2017
May 8, 2017
Decision to grant a European patent
Search/Exam
Apr 21, 2017
(Electronic) Receipt
Search/Exam
Apr 21, 2017
Filing of the translations of the claims
Search/Exam
Apr 21, 2017
French translation of claims
Search/Exam
Apr 21, 2017
German translation of the claims
Search/Exam
Apr 21, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 23, 2017
Jan 16, 2017
Dec 29, 2016
Payment of fees and costs
Search/Exam
Dec 29, 2016
Dec 23, 2016
Dec 23, 2016
Dec 23, 2016
Intention to grant (signatures)
Search/Exam
Dec 23, 2016
Text intended for grant (clean copy)
Search/Exam
Dec 23, 2016
Dec 15, 2016
Nov 18, 2016
(Electronic) Receipt
Search/Exam
Nov 18, 2016
Amended claims with annotations
Search/Exam
Nov 18, 2016
Claims
Search/Exam
Nov 18, 2016
Description
Search/Exam
Nov 18, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 18, 2016
Jul 8, 2016
Jul 8, 2016
Jul 8, 2016
Intention to grant (signatures)
Search/Exam
Jul 8, 2016
Text intended for grant (clean copy)
Search/Exam
Jul 8, 2016
Feb 2, 2016
(Electronic) Receipt
Search/Exam
Feb 2, 2016
Amended claims with annotations
Search/Exam
Feb 2, 2016
Amended description with annotations
Search/Exam
Feb 2, 2016
Claims
Search/Exam
Feb 2, 2016
Description
Search/Exam
Feb 2, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 2, 2016
Sep 30, 2015
Annex to the communication
Search/Exam
Sep 30, 2015
Communication from the Examining Division
Search/Exam
May 12, 2015
(Electronic) Receipt
Search/Exam
May 12, 2015
Amended claims with annotations
Search/Exam
May 12, 2015
Amended description with annotations
Search/Exam
May 12, 2015
Claims
Search/Exam
May 12, 2015
Description
Search/Exam
May 12, 2015
Letter accompanying subsequently filed items
Search/Exam
May 12, 2015
Mar 26, 2015
Mar 23, 2015
(Electronic) Receipt
Search/Exam
Mar 23, 2015
Letter accompanying subsequently filed items
Search/Exam
Mar 23, 2015
Mar 11, 2015
Mar 4, 2015
Submission concerning representation
Search/Exam
Nov 12, 2014
Annex to the communication
Search/Exam
Nov 12, 2014
Communication from the Examining Division
Search/Exam
Mar 3, 2014
Annex to the communication
Search/Exam
Mar 3, 2014
Consultation by telephone/in person
Search/Exam
Mar 3, 2014
Feb 17, 2014
Annex to the communication
Search/Exam
Feb 17, 2014
Consultation by telephone/in person
Search/Exam
Feb 17, 2014
Oct 31, 2013
(Electronic) Receipt
Search/Exam
Oct 31, 2013
Letter accompanying subsequently filed items
Search/Exam
Oct 31, 2013
Aug 2, 2013
Jul 26, 2013
Observations by third parties
Search/Exam
May 24, 2013
(Electronic) Receipt
Search/Exam
May 24, 2013
Letter accompanying subsequently filed items
Search/Exam
May 24, 2013
Jan 14, 2013
Annex to the communication
Search/Exam
Jan 14, 2013
Communication from the Examining Division
Search/Exam
Jul 13, 2011
Maintenance of the application
Search/Exam
May 17, 2011
Apr 28, 2011
Apr 28, 2011
Supplementary European search report
Search/Exam
Apr 28, 2010
Submission concerning representation
Search/Exam
Jan 29, 2010
Jan 28, 2009
Refund of fees
Search/Exam
Oct 28, 2008
Oct 24, 2008
Oct 24, 2008
Oct 23, 2008
Oct 21, 2008
Oct 14, 2008
Oct 14, 2008
May 2, 2008
General enquiry
Search/Exam
Apr 7, 2006
Mar 23, 2006
Submission concerning representation
Search/Exam
Mar 17, 2006
Letter which had not been notified
Search/Exam
Nov 2, 2005
Oct 13, 2005
Reply by International Bureau
Search/Exam
Oct 6, 2005
Oct 6, 2005
Amended claims with annotations
Search/Exam
Oct 6, 2005
Amendments received before examination
Search/Exam
Oct 6, 2005
Request for transfer of rights
Search/Exam
Oct 4, 2005
Oct 4, 2005
Amended claims with annotations
Search/Exam
Oct 4, 2005
Amendments received before examination
Search/Exam
Oct 4, 2005
Oct 4, 2005
Request for transfer of rights
Search/Exam
Sep 14, 2005
Aug 25, 2005
Aug 2, 2005
Matter concerning the application
Search/Exam
Aug 2, 2005
Request for entry into the European phase
Search/Exam
Jul 29, 2005
Matter concerning the application
Search/Exam
Jul 29, 2005
Request for entry into the European phase
Search/Exam
May 30, 2005
Information on entry into European phase
Search/Exam
Aug 10, 2004
Aug 10, 2004
Aug 10, 2004
Aug 10, 2004
Jul 22, 2004
Copy of the international search report
Search/Exam
Jul 22, 2004
Published international application - A1
Search/Exam