EP3767873 - DELEGATED SIGNATURES FOR SMART DEVICES [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 15.03.2024 Database last updated on 24.08.2024 | |
Former | The patent has been granted Status updated on 07.04.2023 | ||
Former | Grant of patent is intended Status updated on 13.12.2022 | ||
Former | Request for examination was made Status updated on 23.07.2021 | ||
Former | The application has been published Status updated on 18.12.2020 | Most recent event Tooltip | 12.07.2024 | Lapse of the patent in a contracting state New state(s): IE | published on 14.08.2024 [2024/33] | Applicant(s) | For all designated states Guardtime SA Avenue d'Ouchy 4 1006 Lausanne / CH | [2021/03] | Inventor(s) | 01 /
FIRSOV, Denis Trummi 6-28 12616 Tallinn / EE | 02 /
TRUU, Ahto Aardla 140-36 50415 Tartu / EE | [2021/03] | Representative(s) | Grünecker Patent- und Rechtsanwälte PartG mbB Leopoldstraße 4 80802 München / DE | [2021/03] | Application number, filing date | 20186546.6 | 17.07.2020 | [2021/03] | Priority number, date | US201962875371P | 17.07.2019 Original published format: US 201962875371 P | [2021/03] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP3767873 | Date: | 20.01.2021 | Language: | EN | [2021/03] | Type: | B1 Patent specification | No.: | EP3767873 | Date: | 10.05.2023 | Language: | EN | [2023/19] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 10.11.2020 | Classification | IPC: | H04L9/08, H04L9/14, H04L9/32 | [2021/03] | CPC: |
H04L9/088 (EP);
H04L9/3247 (EP,US);
H04L9/0825 (EP);
H04L9/085 (US);
H04L9/14 (EP,US);
H04L9/3073 (US);
H04L9/3226 (EP);
H04L9/3242 (US);
H04L9/3297 (EP);
H04L2209/76 (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 [2021/34] |
Former [2021/03] | 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 | Title | German: | DELEGIERTE SIGNATUREN FÜR SMART VORRICHTUNGEN | [2021/03] | English: | DELEGATED SIGNATURES FOR SMART DEVICES | [2021/03] | French: | SIGNATURES DÉLÉGUÉES POUR DISPOSITIFS INTELLIGENTS | [2021/03] | Examination procedure | 20.07.2021 | Amendment by applicant (claims and/or description) | 20.07.2021 | Examination requested [2021/34] | 20.07.2021 | Date on which the examining division has become responsible | 14.12.2022 | Communication of intention to grant the patent | 30.03.2023 | Fee for grant paid | 30.03.2023 | Fee for publishing/printing paid | 30.03.2023 | Receipt of the translation of the claim(s) | Opposition(s) | 13.02.2024 | No opposition filed within time limit [2024/16] | Fees paid | Renewal fee | 28.07.2022 | Renewal fee patent year 03 |
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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. | Lapses during opposition Tooltip | AT | 10.05.2023 | CZ | 10.05.2023 | DK | 10.05.2023 | ES | 10.05.2023 | FI | 10.05.2023 | HR | 10.05.2023 | IT | 10.05.2023 | LT | 10.05.2023 | LV | 10.05.2023 | MC | 10.05.2023 | NL | 10.05.2023 | PL | 10.05.2023 | RO | 10.05.2023 | RS | 10.05.2023 | SE | 10.05.2023 | SI | 10.05.2023 | SK | 10.05.2023 | SM | 10.05.2023 | IE | 17.07.2023 | LU | 17.07.2023 | BE | 31.07.2023 | NO | 10.08.2023 | GR | 11.08.2023 | IS | 10.09.2023 | PT | 11.09.2023 | [2024/33] |
Former [2024/26] | AT | 10.05.2023 | |
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SI | 10.05.2023 | ||
SK | 10.05.2023 | ||
SM | 10.05.2023 | ||
LU | 17.07.2023 | ||
BE | 31.07.2023 | ||
NO | 10.08.2023 | ||
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LU | 17.07.2023 | ||
NO | 10.08.2023 | ||
GR | 11.08.2023 | ||
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PT | 11.09.2023 | ||
Former [2024/14] | AT | 10.05.2023 | |
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NO | 10.08.2023 | ||
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PT | 11.09.2023 | Documents cited: | Search | [A]US2006239208 (ROBERTS DAVID A [US], et al) [A] 1-5 * paragraph [0011] *; | [XI] - XUHUA DING ET AL, "Experimenting with server-aided signatures", PROCEEDINGS OF THE SYMPOSIUM ON NETWORK AND DISTRIBUTED SYSTEMSECURITY, XX, XX, (20020208), pages 1 - 15, XP002265339 [X] 1 * abstract * * section 2 * * section 5.2 * [I] 2-5 | [XI] - XUHUA DING ET AL, "Equipping smart devices with public key signatures", ACM TRANSACTIONS ON INTERNET TECHNOLOGY, ACM, NEW YORK, NY, US, (20070201), vol. 7, no. 1, doi:10.1145/1189740.1189743, ISSN 1533-5399, pages 3 - es, XP058135297 [X] 1 * abstract * * section 5.2 * * figure 1 * [I] 2-5 DOI: http://dx.doi.org/10.1145/1189740.1189743 | [XI] - BICAKCI K ET AL, "Improved server assisted signatures", COMPUTER NETWORKS, ELSEVIER, AMSTERDAM, NL, vol. 47, no. 3, ISSN 1389-1286, (20050221), pages 351 - 366, (20050221), XP027706957 [X] 1 * section 2.4 * * figure 1 * [I] 2-5 | [A] - RUIZ-MARTINEZ A ET AL, "A mobile network operator-independent mobile signature service", JOURNAL OF NETWORK AND COMPUTER APPLICATIONS, ACADEMIC PRESS, NEW YORK, NY, US, vol. 34, no. 1, doi:10.1016/J.JNCA.2010.07.003, ISSN 1084-8045, (20110101), pages 294 - 311, (20100714), XP027492590 [A] 1-5 * the whole document * DOI: http://dx.doi.org/10.1016/j.jnca.2010.07.003 | [A] - AHTO BULDAS ET AL, "A New Approach to Constructing Digital Signature Schemes (Extended Paper)", vol. 20190606:114338, (20190606), pages 1 - 17, IACR, INTERNATIONAL ASSOCIATION FOR CRYPTOLOGIC RESEARCH, URL: http://eprint.iacr.org/2019/673.pdf, (20190606), XP061032861 [A] 1-5 * the whole document * | by applicant | US8719576 | - BULDAS et al., Document verification with distributed calendar infrastructure |