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EP3955508
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EP About this file: EP3955508
| EP3955508 - EXCHANGE OF QUANTUM SECURE KEYS BETWEEN LOCAL AREA NETWORKS [Right-click to bookmark this link] | Status | Request for examination was made Status updated on 29.07.2022 Database last updated on 22.08.2024 | |
| Former | The application has been published Status updated on 14.01.2022 | Most recent event Tooltip | 03.11.2023 | Change - representative | Applicant(s) | For all designated states Deutsche Telekom AG Friedrich-Ebert-Allee 140 53113 Bonn / DE | [2022/07] | Inventor(s) | 01 /
BRAUN, Ralf-Peter 12305 Berlin / DE | 02 /
GEITZ, Marc 58089 Hagen / DE | [2022/07] | Representative(s) | Nern, Peter-Michael Brandt & Nern Patentanwälte Kekuléstrasse 2-4 12489 Berlin / DE | [N/P] |
| Former [2022/07] | Brandt & Nern Patentanwälte Kekuléstrasse 2-4 12489 Berlin / DE | Application number, filing date | 20191212.8 | 14.08.2020 | [2022/07] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP3955508 | Date: | 16.02.2022 | Language: | DE | [2022/07] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 04.02.2021 | Classification | IPC: | H04L9/08, H04L29/06 | [2022/07] | CPC: |
H04L9/0852 (EP);
H04L9/0822 (EP);
H04L63/0428 (EP);
H04L63/061 (EP);
H04L63/068 (EP)
| Designated contracting states | AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR [2022/35] |
| Former [2022/07] | AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR | Extension states | BA | Not yet paid | ME | Not yet paid | Validation states | KH | Not yet paid | MA | Not yet paid | MD | Not yet paid | TN | Not yet paid | Title | German: | AUSTAUSCH QUANTENSICHERER SCHLÜSSEL ZWISCHEN LOKALEN NETZEN | [2022/07] | English: | EXCHANGE OF QUANTUM SECURE KEYS BETWEEN LOCAL AREA NETWORKS | [2022/07] | French: | ÉCHANGE DE CLÉ À SÉCURITÉ QUANTIQUE ENTRE DES RÉSEAUX LOCAUX | [2022/07] | Examination procedure | 27.07.2022 | Amendment by applicant (claims and/or description) | 27.07.2022 | Examination requested [2022/35] | 27.07.2022 | Date on which the examining division has become responsible | Fees paid | Renewal fee | 19.08.2022 | Renewal fee patent year 03 | 18.08.2023 | Renewal fee patent year 04 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [A]CN108270557 (KEDA QUANTUMCTEK TECH CO LTD, et al) [A] 1-9 * abstract *; | [A]EP3562115 (SIEMENS AG [DE]) [A] 1-9 * paragraph [0012] - paragraph [0022] * | [A] - CAO YUAN ET AL, "Cost-efficient quantum key distribution (QKD) over WDM networks", JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING, INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, US, vol. 11, no. 6, doi:10.1364/JOCN.11.000285, ISSN 1943-0620, (20190601), pages 285 - 298, (20190610), XP011729309 [A] 1-9 * page 286 - page 288 * DOI: http://dx.doi.org/10.1364/JOCN.11.000285 | [A] - Anonymous, "Quantum Key Distribution (QKD) over Software-Defined Optical Networks | IntechOpen", (20181105), URL: https://www.intechopen.com/books/quantum-cryptography-in-advanced-networks/quantum-key-distribution-qkd-over-software-defined-optical-networks, (20191004), XP055628780 [A] 1-9 * page 4 - page 9 * |