Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
C12Q 1/6816

characterised by the detection means (C12Q1/6804 takes precedence)

Introduced: January 2018

Title

Titles differ between systems:

IPC: characterised by the detection means

CPC: characterised by the detection means (C12Q1/6804 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions > involving nucleic acids > Hybridisation assays > characterised by the detection means

CPC:

Measuring or testing processes involving enzymes, nucleic acids or microorganisms (measuring or testing apparatus with condition measuring or sensing means, e.g. colony counters, C12M1/34); Compositions therefor; Processes of preparing such compositions > involving nucleic acids > Hybridisation assays > characterised by the detection means (C12Q1/6804 takes precedence)

Additional Content IPC

Nucleic acid analysis using immunogens

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

IPC defines codes here since 2018.

Child Classifications

Navigate with arrow keys, Enter to open

  • C12Q 1/6818 involving interaction of two or more labels, e.g. resonant energy transfer since 2018 IPC+CPC Available in IPC and CPC
  • C12Q 1/682 Signal amplification since 2018 IPC+CPC Available in IPC and CPC
  • C12Q 1/6823 Release of bound markers since 2018 IPC+CPC Available in IPC and CPC
  • C12Q 1/6825 Nucleic acid detection involving sensors since 2018 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C12,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 10,330
  2. HARVARD UNIVERSITY US 7,308
  3. UNIVERSITY OF CALIFORNIA US 6,383
  4. JIANGNAN UNIVERSITY 5,144
  5. MONSANTO TECHNOLOGY US 4,121
  6. PIONEER HI-BRED INTERNATIONAL US 3,630
  7. REGENERON PHARMACEUTICALS US 3,515
  8. CNRS (CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE) FR 3,499
  9. INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE) FR 3,371
  10. CJ CHEILJEDANG CORPORATION KR 3,361

Top Applicants (CPC)

Class C12,2013–2023, worldwide · Source: EPO PATSTAT

  1. HARVARD UNIVERSITY US 8,321
  2. CHINESE ACADEMY OF SCIENCES 7,486
  3. UNIVERSITY OF CALIFORNIA US 7,320
  4. REGENERON PHARMACEUTICALS US 5,003
  5. INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE) FR 4,292
  6. UNIVERSITY OF PENNSYLVANIA US 4,213
  7. CNRS (CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE) FR 4,113
  8. JIANGNAN UNIVERSITY 3,961
  9. ROCHE CH 3,792
  10. ILLUMINA US 3,692