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The patent EP3217094 was granted to AIR Products And Chemicals on Jun 28, 2023. The application was filed on Mar 11, 2016 under application number EP16159997A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| HOYNG ROKH MONEGIER | Feb 26, 2021 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CN1038153 |
| DESCRIPTION | US2010021853 |
| DESCRIPTION | US2052869 |
| DESCRIPTION | US3419339 |
| DESCRIPTION | US3695820 |
| DESCRIPTION | US6752620 |
| DESCRIPTION | US6773256 |
| DESCRIPTION | US7878798 |
| DESCRIPTION | US8337197 |
| DESCRIPTION | US8529247 |
| DESCRIPTION | US8568134 |
| OPPOSITION | US2010227284 |
| OPPOSITION | US6773256 |
| OPPOSITION | US7878798 |
| SEARCH | EP1031790 |
| SEARCH | EP1191281 |
| SEARCH | EP2216291 |
| SEARCH | US2010227284 |
| SEARCH | US2012270161 |
| SEARCH | US6752620 |
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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Jun 2, 2023
Jun 2, 2023
May 26, 2023
May 22, 2023
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May 12, 2023
Letter which had not been notified
Search/Exam
Feb 13, 2023
Feb 13, 2023
Feb 13, 2023
Feb 6, 2023
Feb 3, 2023
Jan 27, 2023
Refund of fees
Search/Exam
Jan 27, 2023
Refund of fees
Search/Exam
Jan 25, 2023
Jan 25, 2023
Jan 20, 2023
Jan 19, 2023
(Electronic) Receipt
Appeal
Jan 19, 2023
(Electronic) Receipt
Appeal
Jan 19, 2023
Jan 19, 2023
Jan 19, 2023
Withdrawal of an appeal
Appeal
Jan 19, 2023
Withdrawal of an appeal
Appeal
Nov 28, 2022
Nov 28, 2022
Nov 22, 2022
(Electronic) Receipt
Appeal
Nov 22, 2022
Nov 22, 2022
Notice of appeal
Appeal
Nov 21, 2022
(Electronic) Receipt
Appeal
Nov 21, 2022
Nov 21, 2022
Notice of appeal
Appeal
Sep 23, 2022
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Sep 12, 2022
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Means of redress
OPPO
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Jun 8, 2020
May 4, 2020
Decision to grant a European patent
Search/Exam
Apr 9, 2020
(Electronic) Receipt
Search/Exam
Apr 9, 2020
French translation of claims
Search/Exam
Apr 9, 2020
German translation of the claims
Search/Exam
Apr 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 28, 2020
Jan 28, 2020
Jan 28, 2020
Intention to grant (signatures)
Search/Exam
Jan 28, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 28, 2020
Jan 6, 2020
Examination started
Search/Exam
Oct 16, 2019
Mar 28, 2019
Submission concerning representation
Search/Exam
Sep 12, 2018
Refund of fees
Search/Exam
Mar 12, 2018
(Electronic) Receipt
Search/Exam
Mar 12, 2018
Mar 12, 2018
Amended claims with annotations
Search/Exam
Mar 12, 2018
Amendments received before examination
Search/Exam
Mar 12, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 18, 2017
Aug 17, 2017
Notification of forthcoming publication
Search/Exam
Feb 10, 2017
(Electronic) Receipt
Search/Exam
Sep 23, 2016
Sep 23, 2016
European search opinion
Search/Exam
Sep 23, 2016
European search report
Search/Exam
Sep 23, 2016
Information on Search Strategy
Search/Exam
Sep 12, 2016
Search started
Search/Exam
May 4, 2016
Communication to designated inventor
Search/Exam
May 4, 2016
Communication to designated inventor
Search/Exam
May 4, 2016
Communication to designated inventor
Search/Exam
May 4, 2016
Communication to designated inventor
Search/Exam
May 4, 2016
Communication to designated inventor
Search/Exam
May 4, 2016
Communication to designated inventor
Search/Exam
Mar 11, 2016
Abstract
Search/Exam
Mar 11, 2016
Mar 11, 2016
Claims
Search/Exam
Mar 11, 2016
Description
Search/Exam
Mar 11, 2016
Designation of inventor
Search/Exam
Mar 11, 2016
Drawings
Search/Exam
Mar 11, 2016
Request for grant of a European patent
Search/Exam