The Weekly Litigation News Digest is now live. Subscribe now
The patent EP3252232 was granted to Hamm on May 18, 2022. The application was originally filed on May 23, 2017 under application number EP17172417A. 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 |
|---|---|
| OPPOSITION | CN103485262 |
| OPPOSITION | CN103511553 |
| OPPOSITION | CN103541295 |
| OPPOSITION | CN103603258 |
| OPPOSITION | CN203546563U |
| OPPOSITION | DE10321666 |
| OPPOSITION | JP2005279364 |
| OPPOSITION | US2003026657 |
| OPPOSITION | US2003048082 |
| OPPOSITION | US2016076205 |
| SEARCH | DE10321666 |
| SEARCH | US2003048082 |
| SEARCH | WO2011064367 |
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 26, 2022
Apr 26, 2022
Apr 21, 2022
Apr 6, 2022
Apr 6, 2022
Apr 6, 2022
Apr 6, 2022
Apr 6, 2022
Mar 4, 2022
Mar 4, 2022
Feb 25, 2022
Nov 24, 2021
Nov 18, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Means of redress
OPPO
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Jun 22, 2021
Apr 7, 2021
Apr 7, 2021
Mar 24, 2021
Mar 18, 2021
Mar 18, 2021
Mar 18, 2021
Mar 12, 2021
Mar 12, 2021
Feb 26, 2021
Feb 25, 2021
Feb 19, 2021
Feb 5, 2021
Jan 29, 2021
Oct 28, 2020
Oct 22, 2020
Oct 22, 2020
Oct 22, 2020
Oct 22, 2020
Oct 22, 2020
Oct 16, 2020
Oct 15, 2020
Oct 12, 2020
Aug 31, 2020
Aug 22, 2020
May 6, 2020
Apr 27, 2020
Apr 27, 2020
Apr 27, 2020
Dec 18, 2019
Dec 18, 2019
Dec 16, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Mar 18, 2019
Feb 7, 2019
Decision to grant a European patent
Search/Exam
Nov 14, 2018
(Electronic) Receipt
Search/Exam
Nov 14, 2018
English translation of the claims
Search/Exam
Nov 14, 2018
French translation of claims
Search/Exam
Nov 14, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 17, 2018
Aug 17, 2018
Aug 17, 2018
Intention to grant (signatures)
Search/Exam
Aug 17, 2018
Text intended for grant (clean copy)
Search/Exam
Aug 17, 2018
Jul 30, 2018
Submission concerning representation
Search/Exam
Jun 12, 2018
(Electronic) Receipt
Search/Exam
Jun 12, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 12, 2018
Jun 7, 2018
Annex to the communication
Search/Exam
Jun 7, 2018
May 8, 2018
(Electronic) Receipt
Search/Exam
May 8, 2018
May 8, 2018
Amended claims with annotations
Search/Exam
May 8, 2018
May 8, 2018
Amended description with annotations
Search/Exam
May 8, 2018
May 8, 2018
Amendments received before examination
Search/Exam
May 8, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 11, 2017
Nov 8, 2017
Notification of forthcoming publication
Search/Exam
Sep 20, 2017
Communication to designated inventor
Search/Exam
Sep 1, 2017
(Electronic) Receipt
Search/Exam
Sep 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 1, 2017
Letter concerning the inventor
Search/Exam
Aug 25, 2017
Aug 15, 2017
Letter which had not been notified
Search/Exam
Jul 18, 2017
Jul 18, 2017
European search opinion
Search/Exam
Jul 18, 2017
European search report
Search/Exam
Jul 18, 2017
Information on Search Strategy
Search/Exam
Jul 14, 2017
Communication to designated inventor
Search/Exam
Jul 14, 2017
Communication to designated inventor
Search/Exam
Jul 14, 2017
Communication to designated inventor
Search/Exam
Jul 12, 2017
Modified abstract
Search/Exam
Jul 5, 2017
Letter concerning the priority
Search/Exam
Jul 5, 2017
Priority document
Search/Exam
Jul 5, 2017
Search started
Search/Exam
May 23, 2017
Abstract
Search/Exam
May 23, 2017
May 23, 2017
Claims
Search/Exam
May 23, 2017
Description
Search/Exam
May 23, 2017
Designation of inventor
Search/Exam
May 23, 2017
Drawings
Search/Exam
May 23, 2017
Priority search results
Search/Exam
May 23, 2017
Request for grant of a European patent
Search/Exam