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Extract from the Register of European Patents

EP About this file: EP3536438

EP3536438 - METHODS FOR JOINING TWO BLANKS AND BLANKS AND PRODUCTS OBTAINED [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  19.09.2025
Database last updated on 07.03.2026
FormerThe patent has been granted
Status updated on  18.06.2021
FormerGrant of patent is intended
Status updated on  17.09.2020
FormerRequest for examination was made
Status updated on  14.08.2020
FormerGrant of patent is intended
Status updated on  05.04.2020
FormerRequest for examination was made
Status updated on  13.03.2020
FormerThe application has been published
Status updated on  09.08.2019
Most recent event   Tooltip19.09.2025Patent maintained (B2 publication)published on 22.10.2025  [2025/43]
Applicant(s)For all designated states
AUTOTECH ENGINEERING S.L.
Parque Empresarial Boroa P2-A4
48340 Amorebieta-Etxano / ES
[2019/37]
Inventor(s)01 / Vila i Ferrer, Elisenda
Avda. Egara 77 2º 2º
08192 Sant Quirze del Vallés / ES
02 / Rubio, Pedro
C. Anne Frank, 13, 2º 2ª
08930 Sant Adrià del Besòs / ES
03 / Illana Gregori, Mireia
C. Provença 115 ppal 1ª
08029 Barcelona / ES
04 / Riquelme, Antoine
Nuestra Señora de Fátima 17 A Bajos
43710 Santa Oliva / ES
 [2019/37]
Representative(s)de Rooij, Mathieu Julien
Bardehle Pagenberg S.L.
Avenida Diagonal 598, 3° 1ª
08021 Barcelona / ES
[2025/43]
Former [2019/37]de Rooij, Mathieu Julien
Bardehle Pagenberg S.L.
Avenida Diagonal 420, 1° 1ª
08037 Barcelona / ES
Application number, filing date19165470.616.12.2016
[2019/37]
Priority number, dateEP2015038264118.12.2015         Original published format: EP 15382641
[2019/37]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3536438
Date:11.09.2019
Language:EN
[2019/37]
Type: B1 Patent specification 
No.:EP3536438
Date:21.07.2021
Language:EN
[2021/29]
Type: B2 New European patent specification 
No.:EP3536438
Date:22.10.2025
Language:EN
[2025/43]
Search report(s)(Supplementary) European search report - dispatched on:EP19.07.2019
ClassificationIPC:B23K26/06, B23K26/067, B23K26/211, B23K26/322, B23K26/26, B23K35/02, // B23K103/04, B23K101/34, B23K101/18
[2019/37]
CPC:
B23K26/0608 (EP,KR,US); B23K26/211 (EP,KR,US); B23K26/0676 (EP,KR,US);
B23K26/26 (EP,KR,US); B23K35/0238 (EP,KR,US); B23K35/0261 (EP,KR,US);
B23K35/282 (EP,KR,US); B23K35/286 (EP,KR,US); C21D6/004 (EP,US);
C22C38/02 (EP,US); C22C38/04 (EP,US); C22C38/44 (EP,US);
C22C38/48 (EP,US); B23K2101/185 (EP,KR,US); B23K2101/34 (EP,KR,US);
B23K2103/04 (EP,KR,US); B23K2103/08 (EP,US); B23K2103/10 (US);
B23K26/0093 (US); C21D2211/008 (EP,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 [2020/16]
Former [2019/37]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 
TitleGerman:VERFAHREN ZUM VERBINDEN VON ZWEI ROHLINGEN SOWIE ROHLINGE UND ERHALTENE PRODUKTE[2019/37]
English:METHODS FOR JOINING TWO BLANKS AND BLANKS AND PRODUCTS OBTAINED[2019/37]
French:PROCÉDÉS D'ASSEMBLAGE DE DEUX ÉBAUCHES ET ÉBAUCHES ET PRODUITS OBTENUS[2019/37]
Examination procedure11.03.2020Examination requested  [2020/16]
11.03.2020Date on which the examining division has become responsible
06.04.2020Communication of intention to grant the patent
14.08.2020Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
18.09.2020Communication of intention to grant the patent
14.01.2021Fee for grant paid
14.01.2021Fee for publishing/printing paid
14.01.2021Receipt of the translation of the claim(s)
Parent application(s)   TooltipEP16819869.5  / EP3347158
Opposition(s)Opponent(s)01  21.04.2022  25.04.2022  ADMISSIBLE
voestalpine Automotive Components Linz GmbH & Co KG
Stahlstraße 47
4020 Linz / AT
Opponent's representative
Bratovic, Nino Maria
Bratovic IP
Lissi-Kaeser-Straße 20
80797 München / DE
 [2024/29]
Former [2024/03]
Opponent(s)01  21.04.2022  25.04.2022  ADMISSIBLE
voestalpine Automotive Components Linz GmbH
Stahlstraße 47
4020 Linz / AT
Opponent's representative
Bratovic, Nino Maria
Bratovic IP
Lissi-Kaeser-Straße 20
80797 München / DE
Former [2022/22]
Opponent(s)01  21.04.2022  25.04.2022  ADMISSIBLE
voestalpine Automotive Components Linz GmbH
Stahlstraße 47
4020 Linz / AT
Opponent's representative
Isarpatent
Patent- und Rechtsanwälte Barth
Charles Hassa Peckmann & Partner mbB
Friedrichstrasse 31
80801 München / DE
09.05.2022Invitation to proprietor to file observations on the notice of opposition
16.09.2022Reply of patent proprietor to notice(s) of opposition
31.01.2024Cancellation of oral proceeding that was planned for 14.05.2024
14.05.2024Date of oral proceedings
05.12.2024Date of oral proceedings
31.01.2025Despatch of interlocutory decision in opposition
31.01.2025Despatch of minutes of oral proceedings
29.05.2025Legal effect of interlocutory decision in opposition
16.06.2025Despatch of communication that the patent will be maintained as amended
Appeal following opposition31.03.2025Appeal received No.  T0494/25
31.03.2025Payment of appeal fee
29.05.2025Result of appeal procedure: appeal of the proprietor withdrawn
Fees paidRenewal fee
29.07.2019Renewal fee patent year 03
17.12.2019Renewal fee patent year 04
11.06.2021Renewal fee patent year 05
Penalty fee
Additional fee for renewal fee
31.12.202005   M06   Fee paid on   11.06.2021
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.
Lapses during opposition  TooltipHU16.12.2016
AL21.07.2021
AT21.07.2021
CY21.07.2021
CZ21.07.2021
DK21.07.2021
EE21.07.2021
FI21.07.2021
HR21.07.2021
IT21.07.2021
LT21.07.2021
LV21.07.2021
MC21.07.2021
MK21.07.2021
MT21.07.2021
NL21.07.2021
PL21.07.2021
RO21.07.2021
RS21.07.2021
SI21.07.2021
SK21.07.2021
SM21.07.2021
TR21.07.2021
BG21.10.2021
NO21.10.2021
GR22.10.2021
IS21.11.2021
PT22.11.2021
IE16.12.2021
LU16.12.2021
BE31.12.2021
CH31.12.2021
LI31.12.2021
[2024/42]
Former [2024/29]HU16.12.2016
AL21.07.2021
AT21.07.2021
CY21.07.2021
CZ21.07.2021
DK21.07.2021
EE21.07.2021
FI21.07.2021
HR21.07.2021
IT21.07.2021
LT21.07.2021
LV21.07.2021
MC21.07.2021
MK21.07.2021
NL21.07.2021
PL21.07.2021
RO21.07.2021
RS21.07.2021
SI21.07.2021
SK21.07.2021
SM21.07.2021
TR21.07.2021
BG21.10.2021
NO21.10.2021
GR22.10.2021
IS21.11.2021
PT22.11.2021
IE16.12.2021
LU16.12.2021
BE31.12.2021
CH31.12.2021
LI31.12.2021
Former [2024/23]HU16.12.2016
AL21.07.2021
AT21.07.2021
CY21.07.2021
CZ21.07.2021
DK21.07.2021
EE21.07.2021
FI21.07.2021
HR21.07.2021
IT21.07.2021
LT21.07.2021
LV21.07.2021
MC21.07.2021
MK21.07.2021
NL21.07.2021
PL21.07.2021
RO21.07.2021
RS21.07.2021
SI21.07.2021
SK21.07.2021
SM21.07.2021
BG21.10.2021
NO21.10.2021
GR22.10.2021
IS21.11.2021
PT22.11.2021
IE16.12.2021
LU16.12.2021
BE31.12.2021
CH31.12.2021
LI31.12.2021
Former [2023/33]HU16.12.2016
AL21.07.2021
AT21.07.2021
CY21.07.2021
CZ21.07.2021
DK21.07.2021
EE21.07.2021
FI21.07.2021
HR21.07.2021
IT21.07.2021
LT21.07.2021
LV21.07.2021
MC21.07.2021
NL21.07.2021
PL21.07.2021
RO21.07.2021
RS21.07.2021
SI21.07.2021
SK21.07.2021
SM21.07.2021
BG21.10.2021
NO21.10.2021
GR22.10.2021
IS21.11.2021
PT22.11.2021
IE16.12.2021
LU16.12.2021
BE31.12.2021
CH31.12.2021
LI31.12.2021
Former [2023/30]AL21.07.2021
AT21.07.2021
CY21.07.2021
CZ21.07.2021
DK21.07.2021
EE21.07.2021
FI21.07.2021
HR21.07.2021
IT21.07.2021
LT21.07.2021
LV21.07.2021
MC21.07.2021
NL21.07.2021
PL21.07.2021
RO21.07.2021
RS21.07.2021
SI21.07.2021
SK21.07.2021
SM21.07.2021
BG21.10.2021
NO21.10.2021
GR22.10.2021
IS21.11.2021
PT22.11.2021
IE16.12.2021
LU16.12.2021
BE31.12.2021
CH31.12.2021
LI31.12.2021
Former [2023/03]AL21.07.2021
AT21.07.2021
CZ21.07.2021
DK21.07.2021
EE21.07.2021
FI21.07.2021
HR21.07.2021
IT21.07.2021
LT21.07.2021
LV21.07.2021
MC21.07.2021
NL21.07.2021
PL21.07.2021
RO21.07.2021
RS21.07.2021
SI21.07.2021
SK21.07.2021
SM21.07.2021
BG21.10.2021
NO21.10.2021
GR22.10.2021
IS21.11.2021
PT22.11.2021
IE16.12.2021
LU16.12.2021
BE31.12.2021
CH31.12.2021
LI31.12.2021
Former [2023/01]AL21.07.2021
AT21.07.2021
CZ21.07.2021
DK21.07.2021
EE21.07.2021
FI21.07.2021
HR21.07.2021
IT21.07.2021
LT21.07.2021
LV21.07.2021
MC21.07.2021
NL21.07.2021
PL21.07.2021
RO21.07.2021
RS21.07.2021
SI21.07.2021
SK21.07.2021
SM21.07.2021
BG21.10.2021
NO21.10.2021
GR22.10.2021
IS21.11.2021
PT22.11.2021
IE16.12.2021
LU16.12.2021
BE31.12.2021
Former [2022/48]AL21.07.2021
AT21.07.2021
CZ21.07.2021
DK21.07.2021
EE21.07.2021
FI21.07.2021
HR21.07.2021
IT21.07.2021
LT21.07.2021
LV21.07.2021
MC21.07.2021
NL21.07.2021
PL21.07.2021
RO21.07.2021
RS21.07.2021
SI21.07.2021
SK21.07.2021
SM21.07.2021
BG21.10.2021
NO21.10.2021
GR22.10.2021
IS21.11.2021
PT22.11.2021
IE16.12.2021
LU16.12.2021
Former [2022/46]AL21.07.2021
AT21.07.2021
CZ21.07.2021
DK21.07.2021
EE21.07.2021
FI21.07.2021
HR21.07.2021
IT21.07.2021
LT21.07.2021
LV21.07.2021
MC21.07.2021
NL21.07.2021
PL21.07.2021
RO21.07.2021
RS21.07.2021
SI21.07.2021
SK21.07.2021
SM21.07.2021
BG21.10.2021
NO21.10.2021
GR22.10.2021
IS21.11.2021
PT22.11.2021
LU16.12.2021
Former [2022/36]AL21.07.2021
AT21.07.2021
CZ21.07.2021
DK21.07.2021
EE21.07.2021
FI21.07.2021
HR21.07.2021
IT21.07.2021
LT21.07.2021
LV21.07.2021
MC21.07.2021
NL21.07.2021
PL21.07.2021
RO21.07.2021
RS21.07.2021
SI21.07.2021
SK21.07.2021
SM21.07.2021
BG21.10.2021
NO21.10.2021
GR22.10.2021
IS21.11.2021
PT22.11.2021
Former [2022/33]AL21.07.2021
AT21.07.2021
CZ21.07.2021
DK21.07.2021
EE21.07.2021
FI21.07.2021
HR21.07.2021
LT21.07.2021
LV21.07.2021
MC21.07.2021
NL21.07.2021
PL21.07.2021
RO21.07.2021
RS21.07.2021
SI21.07.2021
SK21.07.2021
SM21.07.2021
BG21.10.2021
NO21.10.2021
GR22.10.2021
IS21.11.2021
PT22.11.2021
Former [2022/29]AL21.07.2021
AT21.07.2021
CZ21.07.2021
DK21.07.2021
EE21.07.2021
FI21.07.2021
HR21.07.2021
LT21.07.2021
LV21.07.2021
NL21.07.2021
PL21.07.2021
RO21.07.2021
RS21.07.2021
SI21.07.2021
SK21.07.2021
SM21.07.2021
BG21.10.2021
NO21.10.2021
GR22.10.2021
IS21.11.2021
PT22.11.2021
Former [2022/25]AT21.07.2021
CZ21.07.2021
DK21.07.2021
EE21.07.2021
FI21.07.2021
HR21.07.2021
LT21.07.2021
LV21.07.2021
NL21.07.2021
PL21.07.2021
RO21.07.2021
RS21.07.2021
SK21.07.2021
SM21.07.2021
BG21.10.2021
NO21.10.2021
GR22.10.2021
IS21.11.2021
PT22.11.2021
Former [2022/24]AT21.07.2021
CZ21.07.2021
DK21.07.2021
EE21.07.2021
FI21.07.2021
HR21.07.2021
LT21.07.2021
LV21.07.2021
NL21.07.2021
PL21.07.2021
RO21.07.2021
RS21.07.2021
SK21.07.2021
BG21.10.2021
NO21.10.2021
GR22.10.2021
IS21.11.2021
PT22.11.2021
Former [2022/21]AT21.07.2021
DK21.07.2021
FI21.07.2021
HR21.07.2021
LT21.07.2021
LV21.07.2021
NL21.07.2021
PL21.07.2021
RS21.07.2021
BG21.10.2021
NO21.10.2021
GR22.10.2021
IS21.11.2021
PT22.11.2021
Former [2022/11]AT21.07.2021
FI21.07.2021
HR21.07.2021
LT21.07.2021
LV21.07.2021
NL21.07.2021
PL21.07.2021
RS21.07.2021
BG21.10.2021
NO21.10.2021
GR22.10.2021
IS21.11.2021
PT22.11.2021
Former [2022/09]AT21.07.2021
FI21.07.2021
LT21.07.2021
NL21.07.2021
RS21.07.2021
BG21.10.2021
NO21.10.2021
PT22.11.2021
Former [2022/08]AT21.07.2021
FI21.07.2021
LT21.07.2021
NL21.07.2021
BG21.10.2021
NO21.10.2021
Former [2022/07]AT21.07.2021
LT21.07.2021
NL21.07.2021
NO21.10.2021
Documents cited:Search[A] US2013043219  (PETERS STEVEN R et al.)
 [A] US2005028897  (KURZ WILFRIED et al.)
 [A] WO2015086781  (AUTOTECH ENGINEERING AIE et al.)
by applicantEP15382641.7
 EP2735620
 DE202007018832
 US2008011720
OppositionUS2013043219
 US2005028897
 WO2015086781
 DE102013101953
 DE10214949
 EP2942143
 US2013098878
 DE69627802
 DE102007059261
 US2003121895
 EP1880791
 JP2010167436
 US2013270233
 EP2666579
 EP2735620
 DE202007018832
 US2008011720
 US2015306702
 DE102006011064
 EP2832887
 DE102011115654
 JPH09150288
   "Gas- und magnetofluiddynamische Manahmen zur Beeinflussung der Nahtqualitt beim Laserstrahlschweien", 1999, Stuttgart - Leipzig, article M. KERN ET AL.: "Schmelzbadstrmung und Prozestabilitt", pages: 38 - 50, XP055663511
   THOMAS FUHRICH: "Marangoni-Effekt beim Laserstrahltiefschweien von Stahl. Laser in der Materialbearbeitung", FORSCHUNGSBERICHTE DES IFSW, 2005, Mnchen, pages 25-55 - 118-135, XP055917922
   JULIA PFEIFFER: "Direkter Metallauftrag durch Laser -Auftragschweien mit Draht. Konstruktionspraxis", KONSTRUKTIONS PRAXIS, 15 December 2014 (2014-12-15), Konstruktions Praxis, pages 1 - 4, XP055663574, Retrieved from the Internet
   MARKUS WEIGL: "Laserstrahlschweien von Mischverbindungen aus austenitischen und ferritischen korrosionsbestndigen Stahlwerkstoffen", BERICHT AUS DEM LEHRSTUHL FR PHOTONISCHE TECHNOLOGIEN, 7 April 2014 (2014-04-07), XP055917967, ISBN: 978-3-87525-370-2, Retrieved from the Internet
   KRONTHALER M R; BRAUNREUTHER S; ZAEH M F: "Bifocal Hybrid Laser Welding - More than a Superposition of two Processes", PHYSICS PROCEDIA, vol. 12, pages 208 - 214, XP028379961

DOI:   http://dx.doi.org/10.1016/j.phpro.2011.03.027
   A. TRAUTMANN: "Bifocal Hybrid Laser Welding: A Technology for Welding of Aluminium and Zinc-Coated Steels", FORSCHUNGSBERICHTE IWB, vol. 230, 2009, ISBN: 978-3-8316-0876-8, Retrieved from the Internet
   Z. SUN ET AL.: "Current Status of Laser Welding with Wire Feed", MATERIALS AND MANUFACTURING PROCESSES, vol. 12, no. 5, 1997, pages 759 - 777, XP055663584, DOI: 10.1080/10426919708935183

DOI:   http://dx.doi.org/10.1080/10426919708935183
   "Neue Hochleistungslaser - Entwicklungstendenzen und fertigungstechnische Einsatzpotentiale", 2000, Berlin Heidelberg, ISBN: 978-3-642-59804-3, article H. HGEL ET AL.: "Lasertechnik - eine Schlsseltechnologie von nachhaltig hohem Rang", pages: 63 - 95, XP055918175
   ANONYMOUS: "Steels for hot stamping", ARCELORMITTAL USIBOR 1500 ULTRA HIGH STRENGTH STEEL, HOT ROLLED, 26 September 2015 (2015-09-26), pages 1 - 7, XP055918192
   ANONYMOUS, 1989, Dsseldorf, ISBN: 3-87155-103-1, article "Laserstrahltechnologien in der Schweitechnik", pages: 48 - 51, XP055918202
   STEPHAN GRF: "Untersuchungen zum Laserstrahlschweien mit Dynamischer Polarisation", DISSERTATION, 4 November 2010 (2010-11-04), pages 1 - 115, XP055917982, Retrieved from the Internet
   ANONYMOUS: "Tailored Blank", WIKIPEDIA, 8 October 2016 (2016-10-08), pages 1 - 2, XP055917992, Retrieved from the Internet
   "LIA Handbook of Laser Materials Processing", 2001, ISBN: 0-912035-15-3, article "Filler Material Considerations", pages: 374 - 377, XP055917999
   ANONYMOUS: "Zu: Variable Bifokaloptik D70", TRUMPF, 29 May 2000 (2000-05-29), pages 1 - 3, XP055918006
   "Laserstrahlschweien mit Nd:YAG-Doppelfokustechnik - Steigerung von Prozesicherheit, Flexibiltt und verfgbarer Strahlleistung", 2003, ISBN: 3-8316-0223-9, article B. HOHENBERGER: "Laserstrahlschweien in der Materialbearbeitung Forschungsberichte des IFSW", pages: 18 - 129
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.