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1. WO2020160133 - ATTRIBUTS DE L'AFLIBERCEPT ET LEURS PROCÉDÉS DE CARACTÉRISATION ET DE MODIFICATION


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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/US2020/015659 A-2287-WO-PCT
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
29 January 2020 30 January 2019
Applicant
AMGEN INC.
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.
1. 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:
a. forming part of the international application as filed:
in the form of an Annex C/ST.25 text file.
on paper or in the form of an image file.
b. furnished together with the international application under PCT Rule 13ter.1(a) for the purposes of international search only in the form of an Annex C/ST.25 text file.
c. furnished subsequent to the international filing date for the purposes of international search only:
in the form of an Annex C/ST.25 text file (Rule 13ter.1(a)).
on paper or in the form of an image file (Rule 13ter.1(b) and Administrative Instructions, Section 713).
2.
In addition, in the case that more than one version or copy of a sequence listing has been filed or furnished, the required statements that the information in the subsequent or additional copies is identical to that forming part of the application as filed or does not go beyond the application as filed, as appropriate, were furnished.
3.
Additional comments:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
This International Searching Authority found multiple inventions in this international application, as follows:
1. claims: 1-4, 27, 31-33(completely); 9-13, 16, 17, 23-26, 29, 30(partially)
Directed to aflibercept with a deletion after Y92.
2. claims: 5-8, 28(completely); 9-13, 16, 17, 23-26, 29, 30(partially)
Directed to aflibercept with an occupied N68.
3. claims: 14, 15(completely); 16, 17, 23-26(partially)
Directed to aflibercept compositions with 6 to 10 nmol/mol sialic acid
4. claims: 18-22(completely); 23-26(partially)
Directed to aflibercept compositions with 1.0 to 12 % afucosylation.
5. claims: 34-44
Directed to a method of producing aflibercept
1.
As all required additional search fees were timely paid by the applicant, this international search report covers all searchable claims.
2.
As all searchable claims could be searched without effort justifying additional fees, this Authority did not invite payment of additional fees.
3.
As only some of the required additional search fees were timely paid by the applicant, this international search report covers only those claims for which fees were paid, specifically claims Nos.:
4.
No required additional search fees were timely paid by the applicant. Consequently, this international search report is restricted to the invention first mentioned in the claims; it is covered by claims Nos.: 1-4, 27, 31-33(completely); 9-13, 16, 17, 23-26, 29, 30(partially)
Remark on Protest
The additional search fees were accompanied by the applicant’s protest and, where applicable, the payment of a protest fee.
The additional search fees were accompanied by the applicant’s protest but the applicable protest fee was not paid within the time limit specified in the invitation.
No protest accompanied the payment of additional search fees.
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

     C07K 14/705 (2006.01)i; A61K 38/17 (2006.01)i; C07K 1/18 (2006.01)i; C07K 1/22 (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):
     C07K; A61K
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, BIOSIS, EMBL, FSTA, 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
LILY LIU ET AL, "A novel engineered VEGF blocker with an excellent pharmacokinetic profile and robust anti-tumor activity", BMC CANCER,Vol. 15, No. 1, 25 December 2015 (2015-12-25),
XP055396128
1-4,9-13,16,17,23-27,29,30
page 2, column 1, line 33 - column 2, line 3
(2)
A
US 2018236070 A1 (IOFFE ELLA [US] ET AL) 23 August 2018 (2018-08-23)
1-4,9-13,16,17,23-27,29-33
paragraph [0010]; claims 1,7
paragraph [0034]
(3)
A
KR 101685532 B1 (KOREA PRIME PHARM CO LTD [KR]) 13 December 2016 (2016-12-13)
1-4,9-13,16,17,23-27,29-33
paragraphs [0005] - [0006]
paragraph [0010]; figure 1
(4)
X
WO 2017168296 A1 (NAVYA BIOLOGICALS PVT LTD [IN]) 05 October 2017 (2017-10-05)
31-33
claims 1-2
*
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 2018236070 A1
23 August 2018
AU 2014337135 B2
CA 2926853 A1
CN 105636986 A
EA 201690633 A1
EP 3057990 A1
IL 244599 A
JP 6607850 B2
JP 2016539096 A
KR 20160067978 A
US 2016243225 A1
US 2018236070 A1
WO 2015058048 A1
19 September 2019
23 April 2015
01 June 2016
31 August 2016
24 August 2016
31 October 2019
20 November 2019
15 December 2016
14 June 2016
25 August 2016
23 August 2018
23 April 2015
KR 101685532 B1
13 December 2016
CN 107312093 A
EP 3239172 A1
ES 2689527 T3
JP 6519090 B2
JP 2017195874 A
JP 2018186822 A
KR 101685532 B1
US 2017305996 A1
WO 2017188570 A1
03 November 2017
01 November 2017
14 November 2018
29 May 2019
02 November 2017
29 November 2018
13 December 2016
26 October 2017
02 November 2017
WO 2017168296 A1
05 October 2017
EP 3436473 A1
WO 2017168296 A1
06 February 2019
05 October 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:
14 April 2020
Date of mailing of the international search report:
24 June 2020
Authorized officer:
Obel, Nicolai
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