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The patent EP3728550 was granted to Applikon Biotechnology on Feb 17, 2021. The application was filed on Aug 14, 2019 under application number EP19756029A. 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 |
|---|---|---|---|
| SARTORIUS STEDIM BIOTECH | Nov 17, 2021 | PRINZ & PARTNER MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2017211026 |
| DESCRIPTION | US2017321178 |
| DESCRIPTION | US2017349874 |
| DESCRIPTION | US2017369828 |
| DESCRIPTION | WO2017083705 |
| INTERNATIONAL-SEARCH-REPORT | JP5545689B |
| INTERNATIONAL-SEARCH-REPORT | US2016053213 |
| INTERNATIONAL-SEARCH-REPORT | US2016281043 |
| INTERNATIONAL-SEARCH-REPORT | US2017191017 |
| INTERNATIONAL-SEARCH-REPORT | US2017349874 |
| INTERNATIONAL-SEARCH-REPORT | US2017369828 |
| INTERNATIONAL-SEARCH-REPORT | WO2017083705 |
| OPPOSITION | CN106693873 |
| OPPOSITION | CN204848881U |
| OPPOSITION | EP2141224 |
| OPPOSITION | JP2015221002 |
| OPPOSITION | US2016053213 |
| OPPOSITION | US2016281043 |
| OPPOSITION | US2017191017 |
| OPPOSITION | US2017211026 |
| OPPOSITION | US2017321178 |
| OPPOSITION | US2017349874 |
| OPPOSITION | US2017369828 |
| OPPOSITION | WO2013186294 |
| OPPOSITION | WO2017083705 |
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
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Nov 21, 2023
Reply to appeal
Appeal
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Jul 7, 2023
(Electronic) Receipt
Appeal
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(Electronic) Receipt
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Appeal
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Notice of appeal
Appeal
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(Electronic) Receipt
Appeal
Mar 29, 2023
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Notice of appeal
Appeal
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Means of redress
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Decision to grant a European patent
Search/Exam
Dec 22, 2020
(Electronic) Receipt
Search/Exam
Dec 22, 2020
Filing of the translations of the claims
Search/Exam
Dec 22, 2020
French translation of claims
Search/Exam
Dec 22, 2020
German translation of the claims
Search/Exam
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Intention to grant (signatures)
Search/Exam
Nov 24, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 24, 2020
Nov 11, 2020
Examination started
Search/Exam
Sep 30, 2020
Aug 7, 2020
Communication to designated inventor
Search/Exam
Aug 7, 2020
Communication to designated inventor
Search/Exam
Aug 6, 2020
Aug 3, 2020
Priority search results copy provided by EPO
Search/Exam
Jul 20, 2020
(Electronic) Receipt
Search/Exam
Jul 20, 2020
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Amended description with annotations
Search/Exam
Jul 20, 2020
Request for entry into the European phase
Search/Exam
Mar 10, 2020
Feb 20, 2020
Copy of the international search report
Search/Exam
Feb 20, 2020
Published international application - A1
Search/Exam
Nov 7, 2019
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ISR: cited documents
PCTISA
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Abstract
PCTISA
Aug 14, 2019
Claims
PCTISA
Aug 14, 2019
Description
PCTISA
Aug 14, 2019
Drawings
PCTISA
Aug 14, 2019