The patent EP3615613 was granted to Covestro Deutschland on Aug 10, 2022. The application was originally filed on Apr 23, 2018 under application number EP18718467A. The patent is currently recorded with a legal status of "Opposition Rejected".

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.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0192946 |
| DESCRIPTION | EP1460108 |
| INTERNATIONAL-SEARCH-REPORT | DE102010062875 |
| INTERNATIONAL-SEARCH-REPORT | US6110411 |
| OPPOSITION | US2015152214 |
| OPPOSITION | WO9841385 |
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 |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | - ZIEGELMEIER STEFAN ET AL, "An experimental study into the effects of bulk and flow behaviour of laser sintering polymer powders on resulting part properties", JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, ELSEVIER, NL, (20140802), vol. 215, doi:10.1016/J.JMATPROTEC.2014.07.029, ISSN 0924-0136, pages 239 - 250, XP029064178 [T] 14,15 * Section 3.3.1 on page 247, first four lines * |
| OPPOSITION | - Anonymous, "Covestro Desmopan® DP 2786A Polyurethane", POLYMER SEARCH - Thermoplastic - Polyurethane, TP - Covestro Desmopan® DP 2786A Polyurethane, Songhan Plastic Technology Co., Ltd., (20240216), pages 1 - 2, POLYMER SEARCH - Thermoplastic - Polyurethane, TP - Covestro Desmopan® DP 2786A Polyurethane, URL: http://www.lookpolymers.com/pdf/Covestro-Desmopan-DP-2786A-Polyurethane.pdf, (20240216), XP093132311 |
| OPPOSITION | - Anonymous, "Desmopan 6088AU TPU", Datenblatt Desmopan 6088AU, Covestro Deutschland AG, (20240216), pages 1 - 1, Datenblatt Desmopan 6088AU, URL: https://www.albis.com/de/products/download/doc/en/SI/covestro/Desmopan6088AU.pdf, (20240216), XP093132309 |
| OPPOSITION | - Anonymous, "LUVOSINT X92A-2 Thermoplastisches Polyurethan (TPU) auf Esterbasis Pulver, Weiß", LUVOSINT X92A-2, Lehmann & Voss & Co., (20150907), pages 1 - 2, LUVOSINT X92A-2 , URL: https://hasenauer-hesser.de/fileadmin/Mediapool/Downloads/Additive-Fertigung/MDS__LUVOSINT_X92A-2_deu.pdf, (20240216), XP093132304 |
| OPPOSITION | - Anonymous, "Polyurethane - PDF Ultrathan ® Sealing Compounds", Parker Prädifa, (20150301), Parker Prädifa, URL: https://www.parker.com/static_content/literature/Praedifa/Brochures/Polyurethane_PDE3001-EN.pdf, (20240415), XP093151518 |
| OPPOSITION | - Brown, R.P. ; Soekarnein, A., "An investigation of the reproducibility of rubber hardness tests", Polymer Testing, Elsevier, AMSTERDAM, NL, AMSTERDAM, NL , (19910101), vol. 10, no. 2, doi:10.1016/0142-9418(91)90006-J, ISSN 0142-9418, pages 117 - 137, XP022728839 |
| OPPOSITION | - Shen Fei, Yuan Shangqin, Guo Yanchunni, Zhao Bo, Bai Jiaming, Qwamizadeh Mahan, Chua Chee Kai, Wei Jun, Zhou Kun, "Energy Absorption of Thermoplastic Polyurethane Lattice Structures via 3D Printing: Modeling and Prediction", International Journal of Applied Mechanics, Imperial College Press, (20161001), vol. 08, no. 07, doi:10.1142/S1758825116400068, ISSN 1758-8251, page 1640006, XP093151514 |
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Decision to grant a European patent
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English translation of the claims
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Jun 30, 2022
Filing of the translations of the claims
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French translation of claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Description
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Annex to the communication
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Communication from the Examining Division
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Examination started
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(Electronic) Receipt
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Amended claims with annotations
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Letter accompanying subsequently filed items
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Communication to designated inventor
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Priority search results copy provided by EPO
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Information regarding early processing
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Request for entry into the European phase
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Copy of the international search report
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Published international application - A1
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