Patent Profile of the Person

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Filing of Patent Applications

Issuance of Patents

Maintenance of Patents

Women Inventors

Patenting Abroad

Analysis of Patent Citations

Activity of Patent Attorneys

Patent Profile of the Person

Profile: ZHANG Liying (Update: 01.04.2025)

Cumulated data

**Cumulated data**
Total of filed applications, of which for:	2
Patents	2
Short-term patents	0
Utility models	0
Titles of protection granted/issued, of which:
patents (BI)	1/1
short term patents (BISD)	0/0
utitity models (MU)	0/0

Total of valid titles of protection	1 (BI:1 BISD:0 MU:0)
Invalid patents with the right of revalidation	0
Total titles of protection being valid more than 5 years	1
Average life of patent (years)	10.0 BI: 10.0

Year	Patents	Total
2017	2	2

Year	Patents	Short-term patents	Utility models
2022	1	0	0

Top IPC subclasses

**Top IPC subclasses**
No.	Subclass	Total appl.	Description
1	C07D	6	Heterocyclic compounds
2	A61P	4	Specific therapeutic activity of chemical compounds or medicinal preparations
3	A61K	2	Preparations for medical, dental, or toilet purposes

Top IPC subgroups

**Top IPC subgroups**
No.	Subgroup	Total appl.
1	C07D 401/14	2
2	A61K 31/454	1
3	A61K 31/506	1
4	A61P 35/00	1
5	A61P 37/00	1
6	A61P 37/08	1
7	A61P 29/02	1
8	C07D 403/14	1
9	C07D 405/14	1
10	C07D 487/08	1
11	C07D 519/00	1

Cooperation

Top-10 Inventors/Co-inventors (in the case of inventor profile)

**Top-10 Inventors/Co-inventors (in the case of inventor profile)**
No.	Name	Total
1	XING Li	2
2	JONES Peter	1
3	KAILA Neelu	1
4	WAN Zhao-Kui	1
5	SAIAH Eddine	1
6	PIERCE Betsy	1
7	FENSOME Andrew	1
8	TRUJILLO John I	1
9	ZAMARATSKI Edouard	1
10	GOPALSAMY Ariamala	1

Top-10 Co-applicants/applicants (in the case of inventor profile)

**Top-10 Co-applicants/applicants (in the case of inventor profile)**
No.	Name	Total
1	PFIZER INC.	2

Top-10 Co-owners/owners (in the case of inventor profile)

**Top-10 Co-owners/owners (in the case of inventor profile)**
No.	Name	Total
1	PFIZER INC.	1

Top-10 foreign co-inventors

**Top-10 foreign co-inventors**
No.	Country	Name	Total
1	US	XING Li	2
2	SE	ZAMARATSKI Edouard	1
3	SE	WENNERSTÅL Göran Mattias	1
4	US	KAILA Neelu	1
5	US	SAIAH Eddine	1
6	US	VAZQUEZ Michael L.	1
7	US	WAN Zhao-Kui	1
8	US	SCHNUTE Mark Edward	1
9	US	FENSOME Andrew	1
10	US	GERSTENBERGER Brian S.	1

Top 10 foreign co-applicants

**Top 10 foreign co-applicants**
No.	Country	Name	Total
1	US	PFIZER INC.	2

Top-10 foreign co-owners

**Top-10 foreign co-owners**
No.	Country	Name	Total
1	US	PFIZER INC.	1

Top patents cited by person

**Top patents cited by person**
No.	Country	Number	Total
1	WO	2008/119792	1

The most longeval person patents

**The most longeval person patents**
No.	Patent number	Applicant	Inventor	Patent owner	Title	Valid till	In force (years)
1	4800	PFIZER INC., US;	FENSOME Andrew, US; GOPALSAMY Ariamala, US; GERSTENBERGER Brian S., US; EFREMOV Ivan Viktorovich, US; WAN Zhao-Kui, US; PIERCE Betsy, US; TELLIEZ Jean-Baptiste, US; TRUJILLO John I, US; ZHANG Liying, US; XING Li, US; SAIAH Eddine, US;	PFIZER INC., US;	Aminopyrimidinyl compounds as JAK inhibitors	07.08.2025	10

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