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Profile: ZHANG Lei (Update: 01.04.2024)

Date cumulate

Cumulated data
Total of filed applications, of which for: 6

Patents

6

Short-term patents

0

Utility models

0
Titles of protection granted/issued, of which:

patents (BI)

0/0

short term patents (BISD)

0/0

utitity models (MU)

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


AnulBrevete de invenţieTotal
201411
201522
201633




Top IPC subclasses

Top IPC subclasses
Nr.SubclasăTotalDescrierea
1 C07D 13 Heterocyclic compounds
2 A61K 12 Preparations for medical, dental, or toilet purposes
3 A61P 7 Specific therapeutic activity of chemical compounds or medicinal preparations


Top IPC subgroups

Top IPC subgroups
Nr.SubgrupăTotal
1 C07D 471/04 3
2 A61K 31/513 2
3 A61K 31/437 2
4 A61K 31/497 2
5 A61P 25/00 2
6 A61P 25/16 2
7 C07D 513/04 2
8 C07D 519/00 2
9 A61K 31/501 1
10 A61K 31/506 1
11 A61K 31/519 1
12 A61K 31/4355 1
13 A61K 31/4365 1
14 A61K 31/4375 1
15 A61P 25/24 1
16 A61P 25/18 1
17 A61P 25/28 1
18 C07D 401/12 1
19 C07D 401/14 1
20 C07D 491/048 1


Cooperarea


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



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

Top-10 Co-applicants/applicants (in the case of inventor profile)
Nr.NumeTotal
1 PFIZER INC. 6


Top-10 foreign co-inventors



Top 10 foreign co-applicants

Top 10 foreign co-applicants
Nr.ŢaraNumeTotal
1 US PFIZER INC. 6


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