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International application No. Applicant's or agent's file reference
PCT/IB2019/058940 PC72422A
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
21 October 2019 22 October 2018
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)).
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)).
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
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.
none of the figures is to be published with the abstract.


     C07D 487/04 (2006.01)i; A61K 31/4375 (2006.01)i; A61P 1/00 (2006.01)i; A61P 3/00 (2006.01)i; A61P 5/00 (2006.01)i; A61P 7/00 (2006.01)i; A61P 13/00 (2006.01)i; A61P 17/00 (2006.01)i; A61P 19/00 (2006.01)i; A61P 25/00 (2006.01)i; A61P 27/00 (2006.01)i; A61P 35/00 (2006.01)i; A61P 37/00 (2006.01)i
According to International Patent Classification (IPC) or to both national classification and IPC


Minimum documentation searched (classification system followed by classification symbols):
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, CHEM ABS Data, WPI Data


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
ATLI THORARENSEN ET AL, "Design of a Janus Kinase 3 (JAK3) Specific Inhibitor 1-((2 S ,5 R )-5-((7 H -Pyrrolo[2,3- d ]pyrimidin-4-yl)amino)-2-methylpiperidin-1-yl)prop-2-en-1-one (PF-06651600) Allowing for the Interrogation of JAK3 Signaling in Humans", JOURNAL OF MEDICINAL CHEMISTRY,Vol. 60, No. 5, 16 February 2017 (2017-02-16), page 1971-1993,
page 1987, right-hand column, step 6, compound 52
EP 3318565 A1 (PFIZER [US]) 09 May 2018 (2018-05-09)
pages 25, 26, example 5, steps 6-8
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
document cited by the applicant in the international application
earlier application or patent but published on or after the international filing date
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)
document referring to an oral disclosure, use, exhibition or other means
document published prior to the international filing date but later than the priority date claimed
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
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
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


Patent document cited in search report Publication date
Patent family member(s) Publication date
EP 3318565 A1
09 May 2018
AR 099363 A1
AU 2014358792 A1
CA 2932425 A1
CL 2016001216 A1
CN 106061973 A
CN 107417684 A
CR 20160250 A
CU 20160077 A7
CY 1119778 T1
DK 3077395 T3
DO P2016000124 A
EA 201600373 A1
EP 3077395 A1
EP 3318565 A1
ES 2654051 T3
GE P20186840 B
HR P20171846 T1
HU E035264 T2
JP 6192839 B2
JP 2016539137 A
JP 2018008996 A
KR 20160092012 A
LT 3077395 T
MA 39092 A1
MD 20160058 A2
ME 02883 B
NO 3134430 T3
NZ 720092 A
PE 20161246 A1
PH 12016500938 A1
PL 3077395 T3
PT 3077395 T
SI 3077395 T1
SV 2016005209 A
TN 2016000227 A1
TW 201524977 A
UA 117040 C2
US 2015158864 A1
US 2017247372 A1
UY 35861 A
WO 2015083028 A1
20 July 2016
02 June 2016
11 June 2015
20 January 2017
26 October 2016
01 December 2017
19 September 2016
10 January 2017
27 June 2018
02 January 2018
31 October 2016
31 October 2016
12 October 2016
09 May 2018
12 February 2018
10 April 2018
12 January 2018
02 May 2018
06 September 2017
15 December 2016
18 January 2018
03 August 2016
12 February 2018
29 June 2018
30 November 2016
20 April 2018
18 August 2018
31 May 2019
25 November 2016
27 June 2016
30 April 2018
03 January 2018
30 March 2018
11 April 2018
06 October 2017
01 July 2015
11 June 2018
11 June 2015
31 August 2017
31 July 2015
11 June 2015
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
09 January 2020
Date of mailing of the international search report:
16 January 2020
Authorized officer:
Beyss-Kahana, Ellen
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