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IPC Main Group
C07J 3/00

Normal steroids containing carbon, hydrogen, halogen, or oxygen, substituted in position 17 beta by one carbon atom

Introduced: July 1974

Last revised: January 2006

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
ORGANIC CHEMISTRY
Subclass:
STEROIDS

Filing statistics

IPC C07J 3/00 belongs to the parent subclass C07J, which recorded 16,813 patent applications worldwide between 2013 and 2023. Annual filings declined from 1,405 in 2013 to 1,244 in 2023 (-11%), peaking at 1,744 applications in 2017. The most active applicants in class C07 are CHINESE ACADEMY OF SCIENCES (12,697 applications), ROCHE (11,347 applications) and SINOPEC (CHINA PETROCHEMICAL CORPORATION) (11,024 applications).

Source: EPO PATSTAT, worldwide filings

Top Applicants

Top 10 applicants by patent filingsfor class C07, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 12,697
  2. ROCHE CH 11,347
  3. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 11,024
  4. NOVARTIS CH 9,356
  5. BASF (BADISCHE ANILIN & SODA FABRIK) DE 8,531
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,320
  7. LG CHEM KR 7,245
  8. REGENERON PHARMACEUTICALS US 6,816
  9. HARVARD UNIVERSITY US 6,190
  10. GENENTECH US 5,922