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EP3861385
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EP About this file: EP3861385
| EP3861385 - OPTICAL FIBRE ASSEMBLIES AND METHODS OF USE [Right-click to bookmark this link] | Status | The patent has been granted Status updated on 26.12.2025 Database last updated on 14.03.2026 | |
| Former | Grant of patent is intended Status updated on 18.09.2025 | ||
| Former | Examination is in progress Status updated on 06.10.2023 | ||
| Former | Request for examination was made Status updated on 09.07.2021 | ||
| Former | The international publication has been made Status updated on 11.04.2020 | ||
| Former | unknown Status updated on 25.10.2019 | Most recent event Tooltip | 26.12.2025 | (Expected) grant | published on 28.01.2026 [2026/05] | Applicant(s) | For all designated states Microsoft Technology Licensing, LLC One Microsoft Way Redmond, WA 98052 / US | [2023/44] |
| Former [2021/32] | For all designated states Lumenisity Limited Unit 7 The Quadrangle Premier Way Abbey Park Industrial Estate Romsey, Hampshire SO51 9DL / GB | Inventor(s) | 01 /
HARKER, Andrew Thomas c/o Lumenisity Limited Unit 7 The Quadrangle Premier Way Abbey Park Industrial Estate Romsey, Hampshire SO51 9DL / GB | 02 /
APPLEYARD, Andrew Paul c/o Lumenisity Limited Unit 7 The Quadrangle Premier Way Abbey Park Industrial Estate Romsey, Hampshire SO51 9DL / GB | 03 /
HORLEY, Raymond John c/o Lumenisity Limited Unit 7 The Quadrangle Premier Way Abbey Park Industrial Estate Romsey, Hampshire SO51 9DL / GB | 04 /
LANG, Ian Dewi c/o Lumenisity Limited Unit 7 The Quadrangle Premier Way Abbey Park Industrial Estate Romsey, Hampshire SO51 9DL / GB | [2021/32] | Representative(s) | CMS Cameron McKenna Nabarro Olswang LLP Cannon Place 78 Cannon Street London EC4N 6AF / GB | [2026/05] |
| Former [2021/32] | D Young & Co LLP 120 Holborn London EC1N 2DY / GB | Application number, filing date | 19787049.6 | 02.10.2019 | [2021/32] | WO2019GB52772 | Priority number, date | GB20180016146 | 03.10.2018 Original published format: GB 201816146 | [2021/32] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2020070488 | Date: | 09.04.2020 | Language: | EN | [2020/15] | Type: | A1 Application with search report | No.: | EP3861385 | Date: | 11.08.2021 | Language: | EN | The application published by WIPO in one of the EPO official languages on 09.04.2020 takes the place of the publication of the European patent application. | [2021/32] | Type: | B1 Patent specification | No.: | EP3861385 | Date: | 28.01.2026 | Language: | EN | [2026/05] | Search report(s) | International search report - published on: | EP | 09.04.2020 | Classification | IPC: | G02B6/02, H04B10/079, G01M11/00, H04B10/071, H04B10/073, // G02B6/032, G02B6/44 | [2025/42] | CPC: |
G02B6/02328 (EP,US);
G01M11/31 (EP,US);
G01M11/33 (EP,US);
G02B6/02042 (EP,US);
G02B6/02347 (EP,US);
H04B10/071 (EP,US);
|
| Former IPC [2021/32] | G02B6/02, H04B10/079, G01M11/00, G02B6/032, G02B6/44 | 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 [2021/32] | 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: | OPTISCHE FASERANORDNUNGEN UND VERWENDUNGSVERFAHREN | [2021/32] | English: | OPTICAL FIBRE ASSEMBLIES AND METHODS OF USE | [2021/32] | French: | ENSEMBLES FIBRES OPTIQUES ET PROCÉDÉS D'UTILISATION | [2021/32] | Entry into regional phase | 19.04.2021 | National basic fee paid | 19.04.2021 | Designation fee(s) paid | 19.04.2021 | Examination fee paid | Examination procedure | 19.04.2021 | Examination requested [2021/32] | 19.04.2021 | Date on which the examining division has become responsible | 21.09.2021 | Amendment by applicant (claims and/or description) | 05.10.2023 | Despatch of a communication from the examining division (Time limit: M04) | 21.11.2023 | Reply to a communication from the examining division | 19.09.2025 | Communication of intention to grant the patent | 16.12.2025 | Fee for grant paid | 16.12.2025 | Fee for publishing/printing paid | 16.12.2025 | Receipt of the translation of the claim(s) | Fees paid | Renewal fee | 18.10.2021 | Renewal fee patent year 03 | 20.10.2022 | Renewal fee patent year 04 | 19.10.2023 | Renewal fee patent year 05 | 22.10.2024 | Renewal fee patent year 06 | 22.10.2025 | Renewal fee patent year 07 |
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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 | [XI] WO2018141681 (BRITISH TELECOMM et al.) [X] 1-3,8-9,17-20 * figure 2a * * page 2, lines 18, 20, 21 * * page 5, lines 11, 12 * * page 6, line 5 - line 15 *[I] 4-7,10-16 | [XI] US2016018277 (CHALLENER WILLIAM ALBERT et al.) [X] 1-2,6,15,17-18 * figure 2 * * paragraph [0034] * * claim 1 *[I] 3-5,7-14,16,19-20 | [XI] US2014241681 (BALDWIN CHRISTOPHER S et al.) [X] 1-2,6,15-18 * figure 9B * * paragraphs [0068] - [0070] *[I] 3-5,7-14,19-20 | [XI] US2010278478 (KUO HUEI PEI et al.) [X] 1-2,8,15-16,18 * figure 6 * * paragraph [0043] *[I] 3-7,9-14,17,19-20 | [A] US2012148207 (LI GUIFANG et al.) [A] 1-20 * figures 1-11 * | International search | [XI] WO2018141681 (BRITISH TELECOMM et al.) | [XI] US2016018277 (CHALLENER WILLIAM ALBERT et al.) | [XI] US2014241681 (BALDWIN CHRISTOPHER S et al.) | [XI] US2010278478 (KUO HUEI PEI et al.) | [A] US2012148207 (LI GUIFANG et al.) | by applicant | US9904008 | WO2015185761 | US2017031121 | US8215129 | US6154594 | US6826335 | US3324233 | S E BARKOU ET AL.: "LEOS '99, IEEE Lasers and Electro-Optics Society 1999 12th Annual Meeting", vol. 2, 1999, IEEE, article "Photonic bandgap fibers" | J BROENG ET AL.: "Analysis of air-guiding photonic bandgap fibers", OPTICS LETTERS, vol. 25, no. 2, 2000, pages 96 - 98, XP000928545, doi:10.1364/OL.25.000096 DOI: http://dx.doi.org/10.1364/OL.25.000096 | FRANCESCO POLETTI: "Nested antiresonant nodeless hollow core fiber", OPT. EXPRESS, vol. 22, 2014, pages 23807 - 23828 | JR HAYES ET AL.: "Antiresonant hollow core fiber with an octave spanning bandwidth for short haul data communications", JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 35, no. 3, 2017, pages 437 - 442 | S JAIN ET AL.: "Multi-element fiber technology for space-division multiplexing applications", OPTICS EXPRESS, vol. 22, no. 4, 2014, pages 3787 - 3796 |