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The patent EP3200748 was granted to Polypid on Oct 27, 2021. The application was filed on Sep 27, 2015 under application number EP15846726A. 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 |
|---|---|---|---|
| SANDOZ | Jul 26, 2022 | KRAUS & LEDERER PARTGMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2008119494 |
| INTERNATIONAL-SEARCH-REPORT | WO2010007623 |
| INTERNATIONAL-SEARCH-REPORT | WO2014020610 |
| OPPOSITION | WO2010007623 |
| OPPOSITION | WO2014020610 |
| SEARCH | WO2011007353 |
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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Jan 19, 2026
Jan 19, 2026
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Jan 13, 2026
Jan 7, 2026
Refund of fees
Appeal
Dec 23, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Jun 12, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Jul 19, 2024
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Mar 27, 2024
(Electronic) Receipt
Appeal
Mar 27, 2024
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(Electronic) Receipt
Appeal
Dec 19, 2023
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Notice of appeal
Appeal
Dec 12, 2023
Letter accompanying subsequently filed items
Search/Exam
Dec 12, 2023
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Means of redress
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Nov 9, 2021
Sep 30, 2021
Decision to grant a European patent
Search/Exam
Sep 1, 2021
(Electronic) Receipt
Search/Exam
Sep 1, 2021
French translation of claims
Search/Exam
Sep 1, 2021
German translation of the claims
Search/Exam
Sep 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 3, 2021
Intention to grant (signatures)
Search/Exam
Jul 29, 2021
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Text intended for grant (clean copy)
Search/Exam
Jul 29, 2021
Jul 8, 2021
(Electronic) Receipt
Search/Exam
Jul 8, 2021
Amended claims with annotations
Search/Exam
Jul 8, 2021
Claims
Search/Exam
Jul 8, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 8, 2021
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Aug 10, 2020
(Electronic) Receipt
Search/Exam
Aug 10, 2020
Amended claims with annotations
Search/Exam
Aug 10, 2020
Citation for the examination procedure
Search/Exam
Aug 10, 2020
Citation for the examination procedure
Search/Exam
Aug 10, 2020
Claims
Search/Exam
Aug 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2020
Mar 31, 2020
Annex to the communication
Search/Exam
Mar 31, 2020
Communication from the Examining Division
Search/Exam
Jan 2, 2020
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(Electronic) Receipt
Search/Exam
Nov 13, 2019
Amended claims with annotations
Search/Exam
Nov 13, 2019
Claims
Search/Exam
Nov 13, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 13, 2019
Jul 16, 2019
Annex to the communication
Search/Exam
Jul 16, 2019
Communication from the Examining Division
Search/Exam
Jul 9, 2019
Examination started
Search/Exam
Nov 19, 2018
(Electronic) Receipt
Search/Exam
Nov 19, 2018
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Amended claims with annotations
Search/Exam
Nov 19, 2018
Amended claims with annotations
Search/Exam
Nov 19, 2018
Amendments received before examination
Search/Exam
Nov 19, 2018
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Search/Exam
Nov 19, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 19, 2018
May 8, 2018
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European search opinion
Search/Exam
Apr 19, 2018
Information on Search Strategy
Search/Exam
Apr 19, 2018
Supplementary European search report
Search/Exam
Apr 9, 2018
Search started
Search/Exam
Jul 12, 2017
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Communication to designated inventor
Search/Exam
Apr 18, 2017
Mar 7, 2017
(Electronic) Receipt
Search/Exam
Mar 7, 2017
Mar 7, 2017
Request for entry into the European phase
Search/Exam
Feb 10, 2017
Information on entry into European phase
Search/Exam
Apr 28, 2016
Apr 7, 2016
Copy of the international search report
Search/Exam
Apr 7, 2016
Published international application - A1
Search/Exam