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Extract from the Register of European Patents

EP About this file: EP3823708

EP3823708 - VENTILATION APPARATUS AND MASK [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  15.08.2025
Database last updated on 19.03.2026
FormerThe patent has been granted
Status updated on  06.09.2024
FormerGrant of patent is intended
Status updated on  06.05.2024
FormerRequest for examination was made
Status updated on  23.04.2021
FormerThe international publication has been made
Status updated on  25.01.2020
Formerunknown
Status updated on  24.07.2019
Most recent event   Tooltip15.08.2025No opposition filed within time limitpublished on 17.09.2025  [2025/38]
Applicant(s)For all designated states
Aviation Works Limited
Unit 6 The Hangar Perseverance Works
38 Kingsland Road
London E2 8DD / GB
[2021/21]
Inventor(s)01 / STUDER, Marc
Güterstrasse 2B
6005 Luzern / CH
02 / JANSEN, Gunnar
Am Fasnachtsbuck 24b
8180 Bülach / CH
03 / WAKEFORD, Tim
London E2 8DD / GB
04 / BOYLE, Rob
London E2 8DD / GB
 [2024/41]
Former [2021/21]01 / STUDER, Marc
Güterstrasse 2B
6005 Luzern / CH
02 / JANSEN, Gunnar
Am Fasnachtsbuck 24b
8180 Bülach / CH
03 / WAKEFORD, Tim
Flat 705 Wilson Tower
16 Christian Street
London Greater London E1 1AW / GB
04 / BOYLE, Rob
c/o Caeli Nova AG
WeWork Spitalfields
199 Bishopsgate
London Greater London EC2M 3TY / GB
Representative(s)Gill Jennings & Every LLP
The Broadgate Tower
20 Primrose Street
London EC2A 2ES / GB
[2021/21]
Application number, filing date19740028.619.07.2019
[2021/21]
WO2019EP69538
Priority number, dateEP2018018456819.07.2018         Original published format: EP 18184568
[2021/21]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020016422
Date:23.01.2020
Language:EN
[2020/04]
Type: A1 Application with search report 
No.:EP3823708
Date:26.05.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 23.01.2020 takes the place of the publication of the European patent application.
[2021/21]
Type: B1 Patent specification 
No.:EP3823708
Date:09.10.2024
Language:EN
[2024/41]
Search report(s)International search report - published on:EP23.01.2020
ClassificationIPC:A61M16/12, A61M16/06, A61M16/10
[2021/21]
CPC:
A61M16/122 (EP); A62B7/14 (US); A61M16/0057 (US);
A61M16/06 (EP,US); A61M16/1005 (EP,US); A61M16/105 (US);
A61M16/1075 (US); A61M16/125 (US); A61M16/208 (US);
A61M16/22 (US); A62B19/00 (US); A62B23/00 (US);
A62B7/00 (US); A62B9/003 (US); A62B9/02 (US);
A61M16/209 (EP); A61M2016/1025 (EP); A61M2202/0208 (EP);
A61M2202/0225 (EP); A61M2202/0266 (US); A61M2205/3341 (EP);
A61M2205/7536 (US) (-)
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,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2021/21]  
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:BELÜFTUNGSVORRICHTUNG UND MASKE[2021/21]
English:VENTILATION APPARATUS AND MASK[2021/21]
French:APPAREIL ET MASQUE DE VENTILATION[2021/21]
Entry into regional phase21.12.2020National basic fee paid 
21.12.2020Designation fee(s) paid 
21.12.2020Examination fee paid 
Examination procedure21.12.2020Examination requested  [2021/21]
21.12.2020Date on which the examining division has become responsible
17.08.2021Amendment by applicant (claims and/or description)
07.05.2024Communication of intention to grant the patent
02.09.2024Fee for grant paid
02.09.2024Fee for publishing/printing paid
02.09.2024Receipt of the translation of the claim(s)
Opposition(s)10.07.2025No opposition filed within time limit [2025/38]
Fees paidRenewal fee
15.07.2021Renewal fee patent year 03
16.06.2022Renewal fee patent year 04
29.06.2023Renewal fee patent year 05
12.06.2024Renewal fee patent year 06
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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.
Lapses during opposition  TooltipCZ09.10.2024
ES09.10.2024
HR09.10.2024
PL09.10.2024
SK09.10.2024
SM09.10.2024
NO09.01.2025
RS09.01.2025
GR10.01.2025
IS09.02.2025
[2025/36]
Former [2025/32]ES09.10.2024
HR09.10.2024
PL09.10.2024
SM09.10.2024
NO09.01.2025
RS09.01.2025
GR10.01.2025
IS09.02.2025
Former [2025/23]ES09.10.2024
HR09.10.2024
PL09.10.2024
NO09.01.2025
RS09.01.2025
GR10.01.2025
IS09.02.2025
Former [2025/22]ES09.10.2024
HR09.10.2024
NO09.01.2025
GR10.01.2025
IS09.02.2025
Former [2025/21]ES09.10.2024
HR09.10.2024
IS09.02.2025
Cited inInternational search[XAI] US2008314386  (MYKLEBUST HELGE et al.)
 [XAI] US2007017516  (SCHMIDT KLAUS et al.) [X] 1,4-6,9,27-29,34,39 * paragraphs [0006] , [00 9] - [0012] - [0019] - [0045]; figures 1-5 *[A] 3,11,12,14-20,22-26 [I] 2,7,8,10,13,21,30-33
 [I] US6471747  (VENKATESH ARVIND et al.) [I] 1-3,19-22,29,33,39 * paragraphs [0001] , [0013] - [0030] - [0035] - [0057]; figures 1-3b *
 [XI] US6895961  (TODOROV GUEORGUI et al.) [X] 1,39 * column 4, lines 35-45; figure 1 * * columns 1-5 *[I] 34
 [A] US2016355262  (SHARMA ANURAG et al.) [A] 1-34,39 * column 1, line 59 - column 3, line 50; figures 1,2 *
by applicantWO2016102450
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.