The patent EP3158325 was granted to Hauni Maschinenbau on Apr 1, 2020. The application was originally filed on Jun 2, 2015 under application number EP15727373A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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.
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text | Link |
|---|---|---|
| OPPOSITION | - Rizzi Peter A, "microwave engineering passive circuits", microwave engineering passive circuits, (19880101), pages 1 - 18, XP055965822 | - |
Get a free citation report including examiner, opposition, and international search citations.
Get Citation ReportThe 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
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Apr 29, 2025
Apr 25, 2025
(Electronic) Receipt
Appeal
Apr 25, 2025
Apr 25, 2025
Feb 10, 2025
Feb 10, 2025
Jan 21, 2025
Jan 20, 2025
(Electronic) Receipt
Appeal
Jan 20, 2025
Jan 20, 2025
Jan 14, 2025
Jan 13, 2025
(Electronic) Receipt
Appeal
Jan 13, 2025
Jan 13, 2025
Jan 8, 2025
Jan 8, 2025
Jan 3, 2025
(Electronic) Receipt
Appeal
Jan 3, 2025
Jan 3, 2025
Dec 17, 2024
Dec 16, 2024
(Electronic) Receipt
Appeal
Dec 16, 2024
Dec 16, 2024
Dec 6, 2024
Dec 6, 2024
Dec 3, 2024
Nov 18, 2024
Aug 5, 2024
Aug 5, 2024
Apr 15, 2024
Apr 10, 2024
(Electronic) Receipt
Appeal
Apr 10, 2024
Apr 10, 2024
Jan 12, 2024
Dec 29, 2023
(Electronic) Receipt
Appeal
Dec 29, 2023
Dec 29, 2023
Oct 30, 2023
Oct 25, 2023
Oct 25, 2023
Jul 21, 2023
Jul 17, 2023
(Electronic) Receipt
Appeal
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Reply to appeal
Appeal
Apr 21, 2023
Mar 17, 2023
Mar 13, 2023
(Electronic) Receipt
Appeal
Mar 13, 2023
Mar 13, 2023
Mar 13, 2023
Mar 10, 2023
Reply to a complaint
Appeal
Feb 24, 2023
Complaint
Appeal
Feb 24, 2023
Complaint
Appeal
Jan 19, 2023
Jan 19, 2023
Jan 18, 2023
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 21, 2022
Dec 21, 2022
(Electronic) Receipt
Appeal
Dec 21, 2022
Dec 21, 2022
Dec 21, 2022
Dec 21, 2022
Notice of appeal
Appeal
Nov 24, 2022
Nov 23, 2022
Nov 17, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 10, 2022
Nov 4, 2022
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Means of redress
OPPO
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Oct 19, 2022
Complaint
OPPO
Sep 26, 2022
Annexes in respect of a client data request
Search/Exam
Sep 26, 2022
Sep 26, 2022
May 19, 2022
May 17, 2022
May 11, 2022
Apr 28, 2022
Apr 28, 2022
Apr 21, 2022
Apr 21, 2022
Apr 21, 2022
Apr 19, 2022
Apr 19, 2022
Apr 19, 2022
Apr 7, 2022
Mar 31, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Complaint
OPPO
Mar 25, 2022
Mar 24, 2022
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Feb 25, 2022
Feb 21, 2022
Feb 21, 2022
Feb 21, 2022
Feb 21, 2022
Feb 21, 2022
Feb 21, 2022
Jan 3, 2022
Jan 3, 2022
Nov 15, 2021
Nov 9, 2021
Nov 9, 2021
Sep 30, 2021
Sep 30, 2021
Sep 30, 2021
Sep 30, 2021
Sep 30, 2021
Sep 30, 2021
Sep 30, 2021
Sep 30, 2021
Sep 30, 2021
Sep 20, 2021
Sep 20, 2021
Sep 20, 2021
Sep 20, 2021
Sep 20, 2021
Sep 20, 2021
Jun 9, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Feb 4, 2021
Feb 4, 2021
Jan 25, 2021
Dec 28, 2020
Dec 28, 2020
Dec 28, 2020
Dec 28, 2020
Dec 28, 2020
Dec 28, 2020
Dec 28, 2020
Dec 28, 2020
Dec 28, 2020
Dec 28, 2020
Dec 28, 2020
Dec 28, 2020
Apr 15, 2020
Mar 5, 2020
Decision to grant a European patent
Search/Exam
Feb 19, 2020
(Electronic) Receipt
Search/Exam
Feb 19, 2020
English translation of the claims
Search/Exam
Feb 19, 2020
Filing of the translations of the claims
Search/Exam
Feb 19, 2020
French translation of claims
Search/Exam
Feb 19, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 11, 2019
Nov 11, 2019
Nov 11, 2019
Nov 11, 2019
Intention to grant (signatures)
Search/Exam
Nov 11, 2019
Text intended for grant
Search/Exam
Aug 13, 2019
Aug 13, 2019
Aug 6, 2019
Observations by third parties
Search/Exam
Aug 6, 2019
Observations by third parties
Search/Exam
Jul 4, 2019
(Electronic) Receipt
Search/Exam
Jul 4, 2019
Amended claims with annotations
Search/Exam
Jul 4, 2019
Amended description with annotations
Search/Exam
Jul 4, 2019
Claims
Search/Exam
Jul 4, 2019
Description
Search/Exam
Jul 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 4, 2019
Mar 26, 2019
Annex to the communication
Search/Exam
Mar 26, 2019
Communication from the Examining Division
Search/Exam
Feb 5, 2019
(Electronic) Receipt
Search/Exam
Feb 5, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 5, 2019
Letter concerning the inventor
Search/Exam
Jun 4, 2018
Examination started
Search/Exam
Mar 29, 2018
Mar 29, 2018
Mar 23, 2018
Observations by third parties
Search/Exam
Jun 20, 2017
(Electronic) Receipt
Search/Exam
Jun 20, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 20, 2017
Jun 20, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
Mar 29, 2017
Jan 24, 2017
Jan 20, 2017
Communication to designated inventor
Search/Exam
Jan 20, 2017
Communication to designated inventor
Search/Exam
Jan 20, 2017
Communication to designated inventor
Search/Exam
Jan 3, 2017
Dec 1, 2016
(Electronic) Receipt
Search/Exam
Dec 1, 2016
Priority search results
Search/Exam
Dec 1, 2016
Request for entry into the European phase
Search/Exam
Oct 28, 2016
Information on entry into European phase
Search/Exam
Oct 17, 2016
Oct 17, 2016
Notification of the recording of a change
Search/Exam
Oct 10, 2016
Oct 6, 2016
Jan 13, 2016
Dec 23, 2015
Copy of the international search report
Search/Exam
Dec 23, 2015
Copy of the international search report
Search/Exam
Dec 23, 2015
Published international application - A1
Search/Exam
Aug 12, 2015
Aug 12, 2015
Aug 12, 2015
Jun 2, 2015
(Electronic) Receipt
PCTRO