The weekly litigation news digest is live. Subscribe now
The patent EP3321647 was granted to Albert Handtmann Maschinenfabrik on Aug 18, 2021. The application was filed on Nov 9, 2016 under application number EP16197901A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| VEMAG MASCHINENBAU | May 18, 2022 | EISENFUHR SPEISER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP2305043 |
| EXAMINATION | WO2015156663 |
| OPPOSITION | DE2857671 |
| OPPOSITION | EP0084541 |
| OPPOSITION | EP1897446 |
| OPPOSITION | EP2305043 |
| OPPOSITION | EP3106035 |
| OPPOSITION | US2006003682 |
| OPPOSITION | US2013333956 |
| OPPOSITION | US3997013 |
| OPPOSITION | US4021336 |
| OPPOSITION | US4096950 |
| OPPOSITION | US4163488 |
| OPPOSITION | US4627007 |
| OPPOSITION | US5842914 |
| OPPOSITION | WO2013154427 |
| OPPOSITION | WO2015156663 |
| OPPOSITION | WO9817119 |
| SEARCH | WO9817119 |
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
Mar 6, 2024
Refund of fees
Search/Exam
Mar 5, 2024
Mar 5, 2024
Feb 27, 2024
(Electronic) Receipt
Appeal
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Withdrawal of an appeal
Appeal
Feb 15, 2024
Feb 15, 2024
Jan 22, 2024
(Electronic) Receipt
Appeal
Jan 22, 2024
Jan 22, 2024
Notice of appeal
Appeal
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Means of redress
OPPO
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 7, 2023
Nov 2, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Sep 12, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 4, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Jul 7, 2023
Jul 4, 2023
Jul 4, 2023
Jul 4, 2023
Jul 4, 2023
Jul 4, 2023
Jul 4, 2023
Jul 4, 2023
Jul 4, 2023
Jul 4, 2023
May 3, 2023
General enquiry
OPPO
May 3, 2023
Mar 3, 2023
Mar 3, 2023
Mar 3, 2023
Mar 3, 2023
Mar 3, 2023
Mar 3, 2023
Mar 3, 2023
Oct 18, 2022
Oct 12, 2022
Oct 12, 2022
Oct 12, 2022
Oct 12, 2022
Oct 12, 2022
Jun 2, 2022
Jun 2, 2022
May 31, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
Aug 31, 2021
Jul 22, 2021
Decision to grant a European patent
Search/Exam
Jul 8, 2021
(Electronic) Receipt
Search/Exam
Jul 8, 2021
English translation of the claims
Search/Exam
Jul 8, 2021
French translation of claims
Search/Exam
Jul 8, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 10, 2021
Mar 10, 2021
Mar 10, 2021
Text intended for grant (clean copy)
Search/Exam
Mar 10, 2021
Mar 9, 2021
Intention to grant (signatures)
Search/Exam
Oct 7, 2020
(Electronic) Receipt
Search/Exam
Oct 7, 2020
Amended claims with annotations
Search/Exam
Oct 7, 2020
Amended description with annotations
Search/Exam
Oct 7, 2020
Claims
Search/Exam
Oct 7, 2020
Description
Search/Exam
Oct 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 7, 2020
Jun 5, 2020
Annex to the communication
Search/Exam
Jun 5, 2020
Communication from the Examining Division
Search/Exam
May 19, 2020
Examination started
Search/Exam
May 22, 2018
Apr 18, 2018
Notification of forthcoming publication
Search/Exam
Jun 30, 2017
Jun 30, 2017
Amended claims with annotations
Search/Exam
Jun 30, 2017
Amendments received before examination
Search/Exam
Jun 30, 2017
Payment of fees and costs
Search/Exam
Apr 24, 2017
Apr 24, 2017
European search opinion
Search/Exam
Apr 24, 2017
European search report
Search/Exam
Apr 24, 2017
Information on Search Strategy
Search/Exam
Apr 10, 2017
Search started
Search/Exam
Jan 4, 2017
Communication to designated inventor
Search/Exam
Jan 4, 2017
Communication to designated inventor
Search/Exam
Jan 4, 2017
Communication to designated inventor
Search/Exam
Jan 4, 2017
Communication to designated inventor
Search/Exam
Jan 4, 2017
Communication to designated inventor
Search/Exam
Jan 4, 2017
Communication to designated inventor
Search/Exam
Nov 9, 2016
Abstract
Search/Exam
Nov 9, 2016
Nov 9, 2016
Claims
Search/Exam
Nov 9, 2016
Description
Search/Exam
Nov 9, 2016
Designation of inventor
Search/Exam
Nov 9, 2016
Drawings
Search/Exam
Nov 9, 2016
Request for grant of a European patent
Search/Exam