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The patent EP3137497 was granted to Genzyme on Mar 5, 2025. The application was filed on May 2, 2015 under application number EP15723386A. 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 |
|---|---|---|---|
| EUROPEAN OPPOSITIONS | Jan 7, 2022 | LEE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2008US64011 |
| DESCRIPTION | US2002141980 |
| DESCRIPTION | US2006135945 |
| DESCRIPTION | US2007088295 |
| DESCRIPTION | US2007259031 |
| DESCRIPTION | US2009317417 |
| DESCRIPTION | US2014335054 |
| DESCRIPTION | US4692147 |
| DESCRIPTION | US5735815 |
| DESCRIPTION | US6042579 |
| DESCRIPTION | US6225291 |
| DESCRIPTION | US6566118 |
| DESCRIPTION | US6596535 |
| DESCRIPTION | US6723551 |
| DESCRIPTION | US6953575 |
| DESCRIPTION | US6989264 |
| DESCRIPTION | US6995006 |
| DESCRIPTION | US7125717 |
| DESCRIPTION | US7341577 |
| DESCRIPTION | US7351239 |
| DESCRIPTION | US7465583 |
| DESCRIPTION | US7629322 |
| DESCRIPTION | US7785888 |
| DESCRIPTION | US7790154 |
| DESCRIPTION | US7846729 |
| DESCRIPTION | US7922999 |
| DESCRIPTION | US8093054 |
| DESCRIPTION | US8137948 |
| DESCRIPTION | US8361457 |
| DESCRIPTION | WO2004027019 |
| DESCRIPTION | WO2006042090 |
| DESCRIPTION | WO2009105690 |
| DESCRIPTION | WO2010088560 |
| DESCRIPTION | WO2010148143 |
| DESCRIPTION | WO9810088 |
| DESCRIPTION | WO9961066 |
| INTERNATIONAL-SEARCH-REPORT | EP1486567 |
| INTERNATIONAL-SEARCH-REPORT | WO2010093784 |
| INTERNATIONAL-SEARCH-REPORT | WO2013173129 |
| OPPOSITION | EP1486567 |
| OPPOSITION | WO2010093784 |
| OPPOSITION | WO2013173129 |
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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Feb 6, 2025
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Refund of fees
Appeal
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(Electronic) Receipt
Appeal
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Withdrawal of an appeal
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Apr 20, 2021
Mar 12, 2021
Decision to grant a European patent
Search/Exam
Mar 1, 2021
(Electronic) Receipt
Search/Exam
Mar 1, 2021
Filing of the translations of the claims
Search/Exam
Mar 1, 2021
French translation of claims
Search/Exam
Mar 1, 2021
German translation of the claims
Search/Exam
Mar 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 24, 2021
Communication to designated inventor
Search/Exam
Feb 24, 2021
Feb 18, 2021
(Electronic) Receipt
Search/Exam
Feb 18, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 18, 2021
Letter concerning the inventor
Search/Exam
Oct 21, 2020
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Oct 21, 2020
Intention to grant (signatures)
Search/Exam
Oct 21, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 21, 2020
Text intended for grant (sequence listing)
Search/Exam
Oct 21, 2020
Jun 3, 2020
(Electronic) Receipt
Search/Exam
Jun 3, 2020
Amended claims with annotations
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Jun 3, 2020
Amended description with annotations
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Jun 3, 2020
Claims
Search/Exam
Jun 3, 2020
Description
Search/Exam
Jun 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 3, 2020
Mar 30, 2020
Mar 24, 2020
Annex to the communication
Search/Exam
Mar 24, 2020
Communication from the Examining Division
Search/Exam
Mar 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2020
Dec 2, 2019
(Electronic) Receipt
Search/Exam
Dec 2, 2019
Amended claims with annotations
Search/Exam
Dec 2, 2019
Claims
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Dec 2, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 2, 2019
Jul 24, 2019
Annex to the communication
Search/Exam
Jul 24, 2019
Communication from the Examining Division
Search/Exam
Apr 8, 2019
(Electronic) Receipt
Search/Exam
Apr 8, 2019
Amended claims with annotations
Search/Exam
Apr 8, 2019
Claims
Search/Exam
Apr 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 8, 2019
Nov 27, 2018
Annex to the communication
Search/Exam
Nov 27, 2018
Communication from the Examining Division
Search/Exam
Oct 2, 2018
(Electronic) Receipt
Search/Exam
Oct 2, 2018
Amended claims with annotations
Search/Exam
Oct 2, 2018
Claims
Search/Exam
Oct 2, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 2, 2018
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(Electronic) Receipt
Search/Exam
Jul 23, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 23, 2018
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Annex to the communication
Search/Exam
Mar 23, 2018
Communication from the Examining Division
Search/Exam
Nov 16, 2017
Annex to the communication
Search/Exam
Nov 16, 2017
Nov 10, 2017
Examination started
Search/Exam
Jul 3, 2017
(Electronic) Receipt
Search/Exam
Jul 3, 2017
Jul 3, 2017
Amendments received before examination
Search/Exam
Jul 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 8, 2017
Dec 23, 2016
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Communication to designated inventor
Search/Exam
Dec 20, 2016
Communication to designated inventor
Search/Exam
Dec 20, 2016
Communication to designated inventor
Search/Exam
Nov 29, 2016
(Electronic) Receipt
Search/Exam
Nov 29, 2016
Matter concerning the application
Search/Exam
Nov 29, 2016
Request for entry into the European phase
Search/Exam
Nov 29, 2016
Submission concerning representation
Search/Exam
Nov 22, 2016
Sep 9, 2016
Information on entry into European phase
Search/Exam
Dec 23, 2015
Copy of the international search report
Search/Exam
Dec 23, 2015
Nov 23, 2015
Nov 23, 2015
Nov 9, 2015
ISR: cited documents
PCTISA
Nov 5, 2015
Converted Sequence Listing
Search/Exam
Nov 5, 2015
Published international application - A2
Search/Exam
Nov 5, 2015
Nov 5, 2015
Nov 5, 2015
Aug 18, 2015
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Jul 20, 2015
Annex
PCTISA
May 18, 2015
Abstract
PCTISA
May 18, 2015
Annex
PCTISA
May 18, 2015
Annex
PCTISA
May 18, 2015
Claims
PCTISA
May 18, 2015
Description
PCTISA
May 18, 2015
Drawings
PCTISA