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Extract from the Register of European Patents

EP About this file: EP3811473

EP3811473 - QUANTUM WELL PLACEMENT IN A TUNABLE VCSEL [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.07.2023
Database last updated on 15.06.2024
FormerThe patent has been granted
Status updated on  05.08.2022
FormerGrant of patent is intended
Status updated on  28.03.2022
FormerRequest for examination was made
Status updated on  26.03.2021
FormerThe international publication has been made
Status updated on  27.12.2019
Formerunknown
Status updated on  16.07.2019
Most recent event   Tooltip24.05.2024Lapse of the patent in a contracting state
New state(s): IT		published on 26.06.2024 [2024/26]
Applicant(s)For all designated states
Excelitas Technologies Corp.
200 West Street
Waltham, MA 02451 / US
[2021/17]
Inventor(s)01 / JOHNSON, Bartley C.
399 Summer Street
North Andover, Massachusetts 01845 / US
02 / KUZNETSOV, Mark E.
239 Lincoln Street
Lexington, Massachusetts 02421 / US
03 / ATIA, Walid A.
15 Revere Street
Jamaica Plain, Massachusetts 02130 / US
04 / WHITNEY, Peter S.
33 Pickman Drive
Bedford MA 01730 / US
 [2022/17]
Former [2021/19]01 / JOHNSON, Bartley C.
399 Summer Street North An
dover, Massachusetts 01845 / US
02 / KUZNETSOV, Mark E.
239 Lincoln Street
Lexington, Massachusetts 02421 / US
03 / ATIA, Walid A.
15 Revere Street
Jamaica Plain, Massachusetts 02130 / US
04 / WHITNEY, Peter S.
33 Pickman Drive
Bedford MA 01730 / US
Former [2021/17]01 / JOHNSON, Bartley C.
399 Summer Street North An
dover, Massachusetts 01845 / US
02 / KUZNETSOV, Mark E.
239 Lincoln Street
Lexington, Massachusetts 02421 / US
03 / ATIA, Walid A.
15 Revere Street
Jamaica Plain, Massachusetts 02130 / US
04 / WHITNEY, Peter S.
39 Shade Street
Lexington, MA 02421 / US
Representative(s)HGF
HGF Europe LLP
Neumarkter Straße 18
81673 München / DE
[2022/36]
Former [2021/17]HGF
Neumarkter Straße 18
81673 München / DE
Application number, filing date19736881.419.06.2019
[2021/17]
WO2019US38009
Priority number, dateUS201862687071P19.06.2018         Original published format: US 201862687071 P
[2021/17]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019246278
Date:26.12.2019
Language:EN
[2019/52]
Type: A1 Application with search report 
No.:EP3811473
Date:28.04.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 26.12.2019 takes the place of the publication of the European patent application.
[2021/17]
Type: B1 Patent specification 
No.:EP3811473
Date:07.09.2022
Language:EN
[2022/36]
Search report(s)International search report - published on:EP26.12.2019
ClassificationIPC:H01S5/183, H01S5/34
[2021/17]
CPC:
H01S5/18355 (EP,KR); H01S5/3408 (KR,US); H01S5/068 (KR,US);
H01S5/028 (KR,US); H01S5/18361 (KR,US); H01S5/18366 (EP,KR);
H01S5/18369 (EP,KR); H01S5/34 (EP); H01S5/34313 (KR,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 [2021/17]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:QUANTENTOPFPLATZIERUNG IN EINEM ABSTIMMBAREN VCSEL[2021/17]
English:QUANTUM WELL PLACEMENT IN A TUNABLE VCSEL[2021/17]
French:PLACEMENT DE PUITS QUANTIQUES DANS UN LASER VCSEL ACCORDABLE[2021/17]
Entry into regional phase04.11.2020National basic fee paid 
04.11.2020Designation fee(s) paid 
04.11.2020Examination fee paid 
Examination procedure04.11.2020Examination requested  [2021/17]
04.11.2020Date on which the examining division has become responsible
21.07.2021Amendment by applicant (claims and/or description)
29.03.2022Communication of intention to grant the patent
29.07.2022Fee for grant paid
29.07.2022Fee for publishing/printing paid
29.07.2022Receipt of the translation of the claim(s)
Opposition(s)08.06.2023No opposition filed within time limit [2023/33]
Fees paidRenewal fee
28.06.2021Renewal fee patent year 03
27.06.2022Renewal 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.
Lapses during opposition  TooltipAL07.09.2022
AT07.09.2022
CZ07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
IT07.09.2022
LT07.09.2022
LV07.09.2022
MC07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SI07.09.2022
SK07.09.2022
SM07.09.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
[2024/26]
Former [2024/09]AL07.09.2022
AT07.09.2022
CZ07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
MC07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SI07.09.2022
SK07.09.2022
SM07.09.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
Former [2023/37]AL07.09.2022
AT07.09.2022
CZ07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SI07.09.2022
SK07.09.2022
SM07.09.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
Former [2023/29]AL07.09.2022
AT07.09.2022
CZ07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SK07.09.2022
SM07.09.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
Former [2023/26]AT07.09.2022
CZ07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SK07.09.2022
SM07.09.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
Former [2023/23]AT07.09.2022
CZ07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SK07.09.2022
SM07.09.2022
NO07.12.2022
GR08.12.2022
PT09.01.2023
Former [2023/22]AT07.09.2022
CZ07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SM07.09.2022
NO07.12.2022
GR08.12.2022
PT09.01.2023
Former [2023/20]FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
RS07.09.2022
SE07.09.2022
SM07.09.2022
NO07.12.2022
GR08.12.2022
Former [2023/10]FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
RS07.09.2022
SE07.09.2022
NO07.12.2022
GR08.12.2022
Former [2023/09]FI07.09.2022
LT07.09.2022
LV07.09.2022
RS07.09.2022
SE07.09.2022
NO07.12.2022
Former [2023/08]FI07.09.2022
LT07.09.2022
RS07.09.2022
SE07.09.2022
NO07.12.2022
Cited inInternational search[XA]US6711203  (GARNACHE ARNAUD [FR], et al) [X] 11 * abstract *[A] 1-10,14,15;
 [XA]US2014268169  (JAYARAMAN VIJAYSEKHAR [US], et al) [X] 11 * abstract * * paragraphs [0038] , [0040] * [A] 1-10,14,15;
 [XAI]  - QIAO PENGFEI ET AL, "Wavelength-Swept VCSELs", IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 23, no. 6, doi:10.1109/JSTQE.2017.2707181, ISSN 1077-260X, (20171101), pages 1 - 16, (20170720), XP011657277 [X] 11 * abstract * * the whole document * [A] 1-10,14,15 [I] 11-13,16-20

DOI:   http://dx.doi.org/10.1109/JSTQE.2017.2707181
by applicantUS2014176958
 US2015043002
 US9774166
    - "Operating Principles of VCSELs", R. MICHALZIKK.J. EBELING, Vertical-Cavity Surface-Emitting Laser Devices, Springer-Verlag, (20030000), page 53 98
    - M. KUZNETSOVF. HAKIMIR. SPRAGUEA. MOORADIAN, "Design and Characteristics of High-Power (>0.5-W CW) Diode-Pumped Vertical-External-Cavity Surface-Emitting Semiconductor Lasers with Circular TEMoo Beams", IEEE J. Selected Topics in Quantum Electronics, (19990000), vol. 5, pages 561 - 573
    - D.I. BABICS.W. CORZINE, "Analytic Expressions for the Reflection Delay, Penetration Depth, and Absorptance of Quarter-Wave Dielectric Mirrors", IEEE J. Quantum Electronics, (19920000), vol. 28, pages 514 - 524
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.