The patent EP3155024 was granted to Massachusetts Institute OF Technology on Jun 18, 2025. The application was originally filed on Jun 11, 2015 under application number EP15806017A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text | Link |
|---|---|---|
| INTERNATIONAL-SEARCH-REPORT | - EDWARDS, DAW., "Physiological Concepts of the Pylorus.", Proceedings of the Royal Society of Medicine, (19610217), pages 930 - 933, URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1869675/pdf/procrsmed00239-0024.pdf, XP055243849 [Y] 4, 9/4, 13/4 * , column 1, paragraphs 3-4 * | - |
| OPPOSITION | - CARGILL et al., "Controlled Gastric Emptying. 1. Effects of Physical Properties on Gastric Residence Times of Nondisintegrating Geometric Shapes in Beagle Dogs", Pharmaceutical Research, (19880800), vol. 5, no. 8, pages 533 - 536, XP055818588 | - |
| OPPOSITION | - REDDY et al., "Capsule Production - Industrial View", Journal of Global Trends in Pharmaceutical Sciences, (20121000), vol. 3, no. 4, pages 887 - 909, XP055818585 | - |
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May 22, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Letter accompanying subsequently filed items
Search/Exam
Aug 17, 2023
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(Electronic) Receipt
Appeal
Aug 16, 2023
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Reply to appeal
Appeal
Apr 6, 2023
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(Electronic) Receipt
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Apr 4, 2023
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Jan 12, 2023
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Notice of appeal
Appeal
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Sep 28, 2020
Aug 20, 2020
Decision to grant a European patent
Search/Exam
Aug 4, 2020
(Electronic) Receipt
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Aug 4, 2020
Filing of the translations of the claims
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Aug 4, 2020
French translation of claims
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Aug 4, 2020
German translation of the claims
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Aug 4, 2020
Letter accompanying subsequently filed items
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Mar 30, 2020
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Intention to grant (signatures)
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Mar 30, 2020
Text intended for grant (clean copy)
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Mar 30, 2020
Feb 27, 2020
(Electronic) Receipt
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Feb 27, 2020
Amended claims with annotations
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Feb 27, 2020
Claims
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Feb 27, 2020
Letter accompanying subsequently filed items
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Feb 27, 2020
Jan 8, 2020
Dec 18, 2019
(Electronic) Receipt
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Dec 18, 2019
Letter accompanying subsequently filed items
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Dec 18, 2019
Oct 21, 2019
Annex to the communication
Search/Exam
Oct 21, 2019
Oct 21, 2019
Apr 23, 2019
(Electronic) Receipt
Search/Exam
Apr 23, 2019
Amended claims with annotations
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Apr 23, 2019
Claims
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Apr 23, 2019
Letter accompanying subsequently filed items
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Apr 23, 2019
Dec 11, 2018
Annex to the communication
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Dec 11, 2018
Communication from the Examining Division
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Nov 22, 2018
Examination started
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Jul 18, 2018
(Electronic) Receipt
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Jul 18, 2018
Jul 18, 2018
Amended claims with annotations
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Jul 18, 2018
Amendments received before examination
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Jul 18, 2018
Letter accompanying subsequently filed items
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Jan 8, 2018
Dec 20, 2017
Dec 20, 2017
European search opinion
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Dec 20, 2017
Information on Search Strategy
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Dec 20, 2017
Supplementary European search report
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Dec 5, 2017
Search started
Search/Exam
Jul 28, 2017
(Electronic) Receipt
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Jul 28, 2017
Jul 28, 2017
Amended claims with annotations
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Jul 28, 2017
Amendments received before examination
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Jul 28, 2017
Letter accompanying subsequently filed items
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May 24, 2017
Communication to designated inventor
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May 24, 2017
Communication to designated inventor
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May 19, 2017
(Electronic) Receipt
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May 19, 2017
Letter concerning the inventor
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Apr 25, 2017
Apr 18, 2017
Apr 18, 2017
Letter which had not been notified
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Apr 11, 2017
Letter which had not been notified
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Mar 22, 2017
Mar 13, 2017
Communication to designated inventor
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Mar 3, 2017
(Electronic) Receipt
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Mar 3, 2017
Letter concerning the inventor
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Feb 15, 2017
Feb 9, 2017
Letter which had not been notified
Search/Exam
Jan 18, 2017
Jan 16, 2017
Communication to designated inventor
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Jan 16, 2017
Communication to designated inventor
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Jan 16, 2017
Communication to designated inventor
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Jan 16, 2017
Communication to designated inventor
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Jan 16, 2017
Communication to designated inventor
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Jan 16, 2017
Communication to designated inventor
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Jan 16, 2017
Communication to designated inventor
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Jan 16, 2017
Communication to designated inventor
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Jan 16, 2017
Communication to designated inventor
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Jan 16, 2017
Communication to designated inventor
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Jan 16, 2017
Communication to designated inventor
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Dec 29, 2016
(Electronic) Receipt
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Dec 29, 2016
Dec 29, 2016
Request for entry into the European phase
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Dec 8, 2016
Notification of the recording of a change
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Dec 8, 2016
Notification of the recording of a change
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Oct 21, 2016
Information on entry into European phase
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Feb 4, 2016
Jan 13, 2016
Notification of the recording of a change
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Jan 13, 2016
Notification of the recording of a change
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Jan 7, 2016
Jan 5, 2016
Dec 17, 2015
Copy of the international search report
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Dec 17, 2015
Published international application - A1
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