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IPC Subgroup
A61K 38/33

derived from pro-opiomelanocortin, pro-enkephalin or pro-dynorphin

Introduced: January 1995

Last revised: January 2006

Full Title

Medicinal preparations containing peptides > Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof > from animals; from humans > derived from pro-opiomelanocortin, pro-enkephalin or pro-dynorphin

Classification Context

Section:
HUMAN NECESSITIES
Class:
MEDICAL OR VETERINARY SCIENCE; HYGIENE
Subclass:
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES

Filing statistics

IPC A61K 38/33 belongs to the parent subclass A61K, which recorded 1,792,627 patent applications worldwide between 2013 and 2023. Annual filings declined from 147,606 in 2013 to 132,650 in 2023 (-10%), peaking at 177,518 applications in 2016. The most active applicants in class A61 are PHILIPS ELECTRONICS (18,523 applications), NOVARTIS (14,253 applications) and COVIDIEN (13,953 applications).

Source: EPO PATSTAT, worldwide filings

2 direct subcodes

Child Classifications

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  • A61K 38/34 Melanocyte stimulating hormone [MSH], e.g. alpha- or beta-melanotropin
  • A61K 38/35 Corticotropin [ACTH]

Top Applicants

Top 10 applicants by patent filingsfor class A61, 2013–2023, worldwide · Source: EPO PATSTAT

  1. PHILIPS ELECTRONICS NL 18,523
  2. NOVARTIS CH 14,253
  3. COVIDIEN US 13,953
  4. ROCHE CH 12,005
  5. CHINESE ACADEMY OF SCIENCES 11,955
  6. UNIVERSITY OF CALIFORNIA US 11,692
  7. HARVARD UNIVERSITY US 11,596
  8. L'OREAL FR 11,593
  9. P&G (PROCTER & GAMBLE COMPANY) US 11,297
  10. OLYMPUS CORPORATION JP 9,594