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1. WO2020006319 - PROCÉDÉ ET APPAREIL POUR OBTENIR UNE ENTRÉE D'UN PROTOCOLE DE CALCUL MULTIPARTITE SÉCURISÉ


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INTERNATIONAL SEARCH REPORT (ISR)
Part 1:  1  2  3  4  5  6          Part 2:  A  B  C  D  E 
International application No. Applicant's or agent's file reference
PCT/US2019/039629 50GL-291074
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
27 June 2019 29 June 2018
Applicant
ALIBABA GROUP HOLDING LIMITED
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
This international search report has been prepared by this International Searching Authority and is transmitted to the applicant according to Article 18. A copy is being transmitted to the International Bureau.
It is also accompanied by a copy of each prior art document cited in this report.
1. Basis of the report
a. With regard to the language, the international search was carried out on the basis of:
the international application in the language in which it was filed.
a translation of the international application into                                          which is the language of a translation furnished for the purposes of international search (Rules 12.3(a) and 23.1(b)).
b.
This international search report has been established taking into account the rectification of an obvious mistake authorized by or notified to this Authority under Rule 91 (Rule 43.6bis(a)).
c.
With regard to any nucleotide and/or amino acid sequence disclosed in the international application, the international search was carried out on the basis of a sequence listing:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
4. Title of the invention
The text is approved as submitted by the applicant.
The text has been established by this Authority to read as follows:
5. Abstract
The text is approved as submitted by the applicant.
The text has been established, according to Rule 38.2, by this Authority as it appears in Box No. IV. The applicant may, within one month from the date of mailing of this international search report, submit comments to this Authority.
6. Drawings
a.
The figure of the drawings to be published with the abstract is Figure No.     1    
as suggested by the applicant.
as selected by this Authority, because the applicant failed to suggest a figure.
as selected by this Authority, because this figure better characterizes the invention.
b.
none of the figures is to be published with the abstract.

A. CLASSIFICATION OF SUBJECT MATTER

     H04L 9/00 (2006.01)i; H04L 9/32 (2006.01)i
According to International Patent Classification (IPC) or to both national classification and IPC

B. FIELDS SEARCHED

Minimum documentation searched (classification system followed by classification symbols):
     H04L
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
EPO-Internal, WPI Data

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
X
US 2018139054 A1 (CHU STEPHEN MINGYU [US] ET AL) 17 May 2018 (2018-05-17)
1-20
abstract
paragraph [0025] - paragraph [0040]
paragraph [0051] - paragraph [0057]
(2)
A
US 9774578 B1 (ATENIESE GIUSEPPE [US] ET AL) 26 September 2017 (2017-09-26)
1-20
abstract
column 2, line 9 - line 38
column 21, line 19 - column 26, line 3
(3)
A
JAN HENRIK ZIEGELDORF ET AL, "CoinParty : Secure Multi-Party Mixing of Bitcoins", PROCEEDINGS OF THE 5TH ACM CONFERENCE ON DATA AND APPLICATION SECURITY AND PRIVACY, CODASPY '15,01 January 2015 (2015-01-01), page 75-86,
XP055480600
ISBN: 9781450331913
1-20
abstract
page 1 - page 5
*
Special categories of cited documents:
"A"
document defining the general state of the art which is not considered to be of particular relevance
"D"
document cited by the applicant in the international application
"E"
earlier application or patent but published on or after the international filing date
"L"
document which may throw doubts on priority claim(s) or which is cited to establish the publication date of another citation or other special reason (as specified)
"O"
document referring to an oral disclosure, use, exhibition or other means
"P"
document published prior to the international filing date but later than the priority date claimed
"T"
later document published after the international filing date or priority date and not in conflict with the application but cited to understand the principle or theory underlying the invention
"X"
document of particular relevance; the claimed invention cannot be considered novel or cannot be considered to involve an inventive step when the document is taken alone
"Y"
document of particular relevance; the claimed invention cannot be considered to involve an inventive step when the document is combined with one or more other such documents, such combination being obvious to a person skilled in the art
"&"
document member of the same patent family

D. INFORMATION ON PATENT FAMILY MEMBERS

Patent document cited in search report Publication date
(day/month/year)
Patent family member(s) Publication date
(day/month/year)
US 2018139054 A1
17 May 2018
NONE
US 9774578 B1
26 September 2017
AU 2017269734 A1
AU 2017269736 A1
CN 109417478 A
CN 109417479 A
EP 3443707 A1
EP 3443708 A1
EP 3443709 A1
EP 3443710 A1
SG 11201809660P A
SG 11201809661S A
US 9774578 B1
US 9785369 B1
US 2017338947 A1
US 2017338957 A1
US 2017374049 A1
US 2018032273 A1
US 2018048469 A1
US 2018254887 A1
US 2018278596 A1
US 2019158475 A1
WO 2017202756 A1
WO 2017202757 A1
WO 2017202758 A1
WO 2017202759 A1
22 November 2018
22 November 2018
01 March 2019
01 March 2019
20 February 2019
20 February 2019
20 February 2019
20 February 2019
28 December 2018
28 December 2018
26 September 2017
10 October 2017
23 November 2017
23 November 2017
28 December 2017
01 February 2018
15 February 2018
06 September 2018
27 September 2018
23 May 2019
30 November 2017
30 November 2017
30 November 2017
30 November 2017
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Netherlands
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
24 September 2019
Date of mailing of the international search report:
02 October 2019
Authorized officer:
Apostolescu, Radu
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