Extract from the Register of European Patents

EP About this file: EP4449623

EP4449623 - WIRELESS AIRCRAFT COMMUNICATION SYSTEM [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  20.09.2024
Database last updated on 08.04.2026
FormerThe international publication has been made
Status updated on  24.06.2023
Most recent event   Tooltip18.11.2025New entry: Renewal fee paid 
Applicant(s)For all designated states
Cirrus Design Corporation D/B/A Cirrus Aircraft
4515 Taylor Circle
Duluth, MN 55811 / US
For all designated states
Fischer, Jeff
Cirrus Design Corporation d/b/a
Cirrus Aircraft
4515 Taylor Circle
Duluth, MN 55811 / US
For all designated states
Cyr, Brad
Cirrus Design Corporation d/b/a
Cirrus Aircraft
4515 Taylor Circle
Duluth, MN 55811 / US
For all designated states
Young, Doug
Cirrus Design Corporation d/b/a
Cirrus Aircraft
4515 Taylor Circle
Duluth, MN 55811 / US
[2024/43]
Inventor(s)01 / FISCHER, Jeff
Duluth, Minnesota 55811 / US
02 / CYR, Brad
Duluth, Minnesota 55811 / US
03 / YOUNG, Doug
Duluth, Minnesota 55811 / US
 [2024/43]
Representative(s)HGF
HGF Limited
4th Floor, 1 City Square
Leeds LS1 2ES / GB
[N/P]
Former [2024/43]HGF
HGF Limited
1 City Walk
Leeds LS11 9DX / GB
Application number, filing date22908482.716.12.2022
[2024/43]
WO2022US53138
Priority number, dateUS202163290568P16.12.2021         Original published format: US 202163290568 P
US202263427602P23.11.2022         Original published format: US 202263427602 P
US20221808243015.12.2022         Original published format: US202218082430
US20221808244115.12.2022         Original published format: US202218082441
[2024/43]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023114463
Date:22.06.2023
Language:EN
[2023/25]
Type: A1 Application with search report 
No.:EP4449623
Date:23.10.2024
Language:EN
The application published by WIPO in one of the EPO official languages on 22.06.2023 takes the place of the publication of the European patent application.
[2024/43]
Search report(s)International search report - published on:US22.06.2023
(Supplementary) European search report - dispatched on:EP23.10.2025
ClassificationIPC:H04B7/00, H04W84/06, H04W84/02, H04W40/02, H04L45/00, H04L69/14
[2025/48]
CPC:
H04W84/06 (EP,US); H04W48/18 (US); H04L43/0811 (US);
H04L45/302 (EP); H04L47/822 (EP); H04L69/14 (EP);
H04W40/12 (EP); H04W40/22 (EP); H04W76/10 (US);
H04W84/005 (EP) (-)
Former IPC [2024/43]H04B7/00, H04W84/06, H04W84/02, H04W40/02, H04L45/00
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2024/43]
TitleGerman:DRAHTLOSES KOMMUNIKATIONSSYSTEM FÜR FLUGZEUGE[2024/43]
English:WIRELESS AIRCRAFT COMMUNICATION SYSTEM[2024/43]
French:SYSTÈME DE COMMUNICATION D'AÉRONEF SANS FIL[2024/43]
Entry into regional phase12.07.2024National basic fee paid 
12.07.2024Search fee paid 
12.07.2024Designation fee(s) paid 
12.07.2024Examination fee paid 
Examination procedure12.07.2024Amendment by applicant (claims and/or description)
12.07.2024Examination requested  [2024/43]
Fees paidRenewal fee
12.07.2024Renewal fee patent year 03
17.11.2025Renewal fee patent year 04
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
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] US11146329  (GREENLEAF WILLIAM T et al.) [X] 1-16,18 * column 3, lines 21-29 * * column 4, line 9 - line 67 * * column 5, line 38 - line 65 * * column 6, line 44 - line 46 * * column 7, lines 52-55 * * figures 1, 2, 4 *[I] 17
 [IX] US2011255506  (TOTH LOUIS T et al.) [I] 17 * paragraphs [0012] - [0014] * * paragraphs [0019] - [0022] * * figure 1a *[X] 1-16,18
International search[A] US2019045348  (LI JUNYI et al.) [A] 1-40 * , entire document, especially [0215]-[0218], [0222], [0226] *
 [A] US2010291960  (BUGA WLADYSLAW JAN et al.) [A] 1-40 * , entire document, especially para. [0025]-[0027] *
 [A] US2021136426  (MIRMIRANI AMIR ALI et al.) [A] 1-40 * , entire document, especially para. [0038], [0039], [0044], [0049] *
 [A] US2018027036  (WATSON PHILIP et al.) [A] 1-40 * , entire document *
 [A] US2021409107  (WIEGNER DIRK et al.) [A] 1-40 * , entire document *
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.