CPC Subgroup Additional Only
C12N 2799/021 for the expression of a heterologous nucleic acid
Full Title
Uses of viruses > as vector > for the expression of a heterologous nucleic acid
Filing statistics
CPC C12N 2799/021 belongs to the parent subclass C12N, which recorded 645,915 patent applications worldwide between 2013 and 2023. Annual filings grew from 37,975 in 2013 to 61,537 in 2023 (+62%), peaking at 73,818 applications in 2021. The most active applicants in class C12 are HARVARD UNIVERSITY (8,321 applications), CHINESE ACADEMY OF SCIENCES (7,486 applications) and UNIVERSITY OF CALIFORNIA (7,320 applications).
Source: EPO PATSTAT, worldwide filings
6 direct subcodes
Child Classifications
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- C12N 2799/022 where the vector is derived from an adenovirus
- C12N 2799/023 where the vector is derived from a poxvirus
- C12N 2799/025 where the vector is derived from a parvovirus
- C12N 2799/026 where the vector is derived from a baculovirus
- C12N 2799/027 where the vector is derived from a retrovirus
- C12N 2799/028 where the vector is derived from a herpesvirus
Top Applicants
Top 10 applicants by patent filingsfor class C12, 2013–2023, worldwide · Source: EPO PATSTAT
- HARVARD UNIVERSITY US 8,321
- CHINESE ACADEMY OF SCIENCES 7,486
- UNIVERSITY OF CALIFORNIA US 7,320
- REGENERON PHARMACEUTICALS US 5,003
- INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE) FR 4,292
- UNIVERSITY OF PENNSYLVANIA US 4,213
- CNRS (CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE) FR 4,113
- JIANGNAN UNIVERSITY 3,961
- ROCHE CH 3,792
- ILLUMINA US 3,692