CPC Main Group
C40B 50/00 Methods of creating libraries, e.g. combinatorial synthesis
Filing statistics
CPC C40B 50/00 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
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- C40B 50/04 using dynamic combinatorial chemistry techniques
- C40B 50/06 Biochemical methods, e.g. using enzymes or whole viable microorganisms
- C40B 50/08 Liquid phase synthesis, i.e. wherein all library building blocks are in liquid phase or in solution during library creation; Particular methods of cleavage from the liquid support
- C40B 50/14 Solid phase synthesis, i.e. wherein one or more library building blocks are bound to a solid support during library creation; Particular methods of cleavage from the solid support
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