The weekly litigation news digest is live. Subscribe now
The patent EP3273816 was granted to PRO Eight on Dec 9, 2020. The application was filed on Mar 22, 2016 under application number EP16725945A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| BAUERFEIND | Sep 9, 2021 | WOHLFAHRT | ADMISSIBLE |
| MEDI | Sep 9, 2021 | LINDNER BLAUMEIER PATENT UND RECHTSANWALTE | ADMISSIBLE |
| X TECHNOLOGY SWISS | Sep 9, 2021 | PRINS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | GB951610 |
| INTERNATIONAL-SEARCH-REPORT | US2007149093 |
| INTERNATIONAL-SEARCH-REPORT | US5855123 |
| INTERNATIONAL-SEARCH-REPORT | WO2007065459 |
| OPPOSITION | DE102013207153 |
| OPPOSITION | DE102014220087 |
| OPPOSITION | DE1846715U |
| OPPOSITION | DE202009018763U |
| OPPOSITION | DE202012013109U |
| OPPOSITION | DE2458251 |
| OPPOSITION | DE69123245T |
| OPPOSITION | EP0360731 |
| OPPOSITION | EP1269871 |
| OPPOSITION | EP1537792 |
| OPPOSITION | EP1668998 |
| OPPOSITION | EP1921935 |
| OPPOSITION | EP1976400 |
| OPPOSITION | EP2640210 |
| OPPOSITION | FR2801495 |
| OPPOSITION | GB1493129 |
| OPPOSITION | GB513582 |
| OPPOSITION | GB951610 |
| OPPOSITION | GB973060 |
| OPPOSITION | JP2002069804 |
| OPPOSITION | US2003230121 |
| OPPOSITION | US2005204449 |
| OPPOSITION | US2014137434 |
| OPPOSITION | US3425246 |
| OPPOSITION | US3603116 |
| OPPOSITION | US5855123 |
| OPPOSITION | US6230525 |
| OPPOSITION | US7434423 |
| OPPOSITION | US8533864 |
| OPPOSITION | WO0222932 |
| OPPOSITION | WO2005039336 |
| OPPOSITION | WO2007006462 |
| OPPOSITION | WO2007065459 |
| OPPOSITION | WO2007085216 |
| OPPOSITION | WO2010046130 |
| OPPOSITION | WO2010132950 |
| OPPOSITION | WO2014041075 |
| OPPOSITION | WO2014041077 |
| OPPOSITION | WO2014081678 |
| OPPOSITION | WO2014122237 |
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
Nov 19, 2025
Refund of fees
Appeal
Nov 17, 2025
Nov 17, 2025
Nov 17, 2025
Nov 17, 2025
Nov 10, 2025
(Electronic) Receipt
Appeal
Nov 10, 2025
Nov 10, 2025
Withdrawal of an appeal
Appeal
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 7, 2025
(Electronic) Receipt
Appeal
Oct 7, 2025
Notice of appeal
Appeal
Oct 7, 2025
Notice of appeal
Appeal
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Means of redress
Search/Exam
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 5, 2025
Mar 5, 2025
Feb 17, 2025
Feb 17, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Nov 4, 2024
Nov 4, 2024
Nov 4, 2024
Mar 11, 2024
Mar 11, 2024
Mar 11, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Feb 22, 2024
Feb 19, 2024
Feb 19, 2024
Feb 19, 2024
Feb 19, 2024
Feb 19, 2024
Feb 19, 2024
Feb 19, 2024
Feb 19, 2024
Feb 19, 2024
Feb 19, 2024
Feb 19, 2024
Feb 19, 2024
May 11, 2023
May 11, 2023
May 11, 2023
May 11, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 3, 2023
May 3, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 25, 2023
Apr 25, 2023
Apr 25, 2023
Apr 25, 2023
Apr 25, 2023
Apr 25, 2023
Apr 25, 2023
Apr 4, 2023
Apr 4, 2023
Apr 4, 2023
Mar 29, 2023
Mar 29, 2023
Mar 29, 2023
Mar 29, 2023
Mar 29, 2023
Mar 29, 2023
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Mar 16, 2023
Mar 16, 2023
Mar 16, 2023
Mar 16, 2023
Mar 10, 2023
Mar 10, 2023
Mar 10, 2023
Mar 10, 2023
Mar 10, 2023
Mar 10, 2023
Mar 10, 2023
Mar 10, 2023
Mar 10, 2023
Mar 10, 2023
Mar 10, 2023
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Oct 31, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Mar 28, 2022
Mar 28, 2022
Mar 28, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 4, 2022
Mar 4, 2022
Mar 4, 2022
Mar 4, 2022
Feb 28, 2022
Feb 28, 2022
Authorisation
OPPO
Feb 28, 2022
Feb 28, 2022
Nov 12, 2021
Nov 12, 2021
Nov 12, 2021
Nov 12, 2021
Nov 8, 2021
Nov 8, 2021
Nov 8, 2021
Nov 8, 2021
Nov 8, 2021
Nov 8, 2021
Nov 8, 2021
Nov 8, 2021
Nov 8, 2021
Sep 23, 2021
Sep 21, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Dec 21, 2020
Nov 12, 2020
Decision to grant a European patent
Search/Exam
Oct 28, 2020
Filing of the translations of the claims
Search/Exam
Oct 28, 2020
French translation of claims
Search/Exam
Oct 28, 2020
German translation of the claims
Search/Exam
Oct 28, 2020
Payment of fees and costs
Search/Exam
Aug 13, 2020
Aug 13, 2020
Aug 13, 2020
Intention to grant (signatures)
Search/Exam
Aug 13, 2020
Text intended for grant (clean copy)
Search/Exam
Aug 13, 2020
Jul 14, 2020
Refund of fees
Search/Exam
Jul 14, 2020
Refund of fees
Search/Exam
Jul 10, 2020
Jul 9, 2020
Drawings
Search/Exam
Jul 9, 2020
Jul 2, 2020
Letter concerning fees and payments
Search/Exam
Jul 2, 2020
Letter concerning fees and payments
Search/Exam
Jul 2, 2020
Payment of fees and costs
Search/Exam
Jun 19, 2020
Annex to the communication
Search/Exam
Jun 19, 2020
Communication from the Examining Division
Search/Exam
Jun 10, 2020
Letter which had not been notified
Search/Exam
May 29, 2020
May 13, 2020
Annexes in respect of a client data request
Search/Exam
May 13, 2020
Annexes in respect of a client data request
Search/Exam
May 13, 2020
Letter concerning fees and payments
Search/Exam
May 13, 2020
Letter concerning fees and payments
Search/Exam
May 13, 2020
Letter concerning fees and payments
Search/Exam
May 13, 2020
Payment of fees and costs
Search/Exam
May 13, 2020
Payment of fees and costs
Search/Exam
May 13, 2020
Mar 24, 2020
Decision to allow further processing
Search/Exam
Mar 12, 2020
Amended claims with annotations
Search/Exam
Mar 12, 2020
Claims
Search/Exam
Mar 12, 2020
Letter concerning fees and payments
Search/Exam
Mar 12, 2020
Payment of fees and costs
Search/Exam
Mar 12, 2020
Mar 12, 2020
Jan 13, 2020
Jul 26, 2019
Annex to the communication
Search/Exam
Jul 26, 2019
Communication from the Examining Division
Search/Exam
Jul 8, 2019
Decision to allow further processing
Search/Exam
Jun 4, 2019
Claims
Search/Exam
Jun 4, 2019
Letter concerning fees and payments
Search/Exam
Jun 4, 2019
Payment of fees and costs
Search/Exam
Jun 4, 2019
May 31, 2019
Claims
Search/Exam
May 31, 2019
Letter accompanying subsequently filed items
Search/Exam
May 31, 2019
Letter concerning fees and payments
Search/Exam
May 31, 2019
Payment of fees and costs
Search/Exam
May 31, 2019
Payment of fees and costs
Search/Exam
May 31, 2019
Apr 1, 2019
Mar 12, 2019
Letter concerning fees and payments
Search/Exam
Mar 12, 2019
Letter concerning fees and payments
Search/Exam
Mar 12, 2019
Payment of fees and costs
Search/Exam
Oct 23, 2018
Annex to the communication
Search/Exam
Oct 23, 2018
Communication from the Examining Division
Search/Exam
Oct 17, 2018
Examination started
Search/Exam
Jul 20, 2018
Decision to allow further processing
Search/Exam
Jul 10, 2018
Jul 10, 2018
Amended claims with annotations
Search/Exam
Jul 10, 2018
Jul 10, 2018
Amendments received before examination
Search/Exam
Jul 10, 2018
Letter concerning fees and payments
Search/Exam
Jul 10, 2018
Payment of fees and costs
Search/Exam
Jul 10, 2018
Request for further processing
Search/Exam
Jun 26, 2018
Mar 14, 2018
Letter concerning fees and payments
Search/Exam
Mar 14, 2018
Letter concerning fees and payments
Search/Exam
Mar 14, 2018
Payment of fees and costs
Search/Exam
Jan 4, 2018
Nov 7, 2017
Nov 3, 2017
Communication to designated inventor
Search/Exam
Oct 27, 2017
Priority search results copy provided by EPO
Search/Exam
Oct 18, 2017
Refund of fees
Search/Exam
Oct 17, 2017
Oct 9, 2017
Oct 9, 2017
Notification of the recording of a change
Search/Exam
Sep 28, 2017
Annex
Search/Exam
Sep 28, 2017
Letter concerning fees and payments
Search/Exam
Sep 28, 2017
Matter concerning the application
Search/Exam
Sep 28, 2017
Payment of fees and costs
Search/Exam
Sep 28, 2017
Request for entry into the European phase
Search/Exam
Aug 11, 2017
Information on entry into European phase
Search/Exam
Oct 27, 2016
Oct 6, 2016
Copy of the international search report
Search/Exam
Oct 6, 2016
Published international application - A1
Search/Exam
Jun 27, 2016
ISR: cited documents
PCTISA
Jun 24, 2016
Jun 24, 2016
Jun 24, 2016
Jun 13, 2016
May 18, 2016
Abstract
PCTISA
May 18, 2016
Claims
PCTISA
May 18, 2016
Description
PCTISA
May 18, 2016
Drawings
PCTISA
May 18, 2016
May 18, 2016
May 18, 2016
May 18, 2016