CPC Main Group
C40B 30/00 Methods of screening libraries
Filing statistics
CPC C40B 30/00 belongs to the parent subclass C40B, which recorded 15,857 patent applications worldwide between 2013 and 2023. Annual filings grew from 627 in 2013 to 1,284 in 2023 (+105%), peaking at 1,975 applications in 2018. The most active applicants in class C40 are ILLUMINA (322 applications), HARVARD UNIVERSITY (254 applications) and UNIVERSITY OF CALIFORNIA (205 applications).
Source: EPO PATSTAT, worldwide filings
4 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C40B 30/04 by measuring the ability to specifically bind a target molecule, e.g. antibody-antigen binding, receptor-ligand binding
- C40B 30/06 by measuring effects on living organisms, tissues or cells
- C40B 30/08 by measuring catalytic activity
- C40B 30/10 by measuring physical properties, e.g. mass
Top Applicants
Top 10 applicants by patent filingsfor class C40, 2013–2023, worldwide · Source: EPO PATSTAT
- ILLUMINA US 322
- HARVARD UNIVERSITY US 254
- UNIVERSITY OF CALIFORNIA US 205
- TWIST BIOSCIENCE CORPORATION US 187
- ILLUMINA CAMBRIDGE GB 173
- CHUGAI PHARMACEUTICAL JP 144
- STANFORD UNIVERSITY US 133
- CJ CHEILJEDANG CORPORATION KR 102
- MGI TECH COMPANY CN 95
- 10X GENOMICS US 94