Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
A61K 35/56

Materials from animals other than mammals

Full Title

Medicinal preparations containing materials or reaction products thereof with undetermined constitution > Materials from animals other than mammals

11 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • A61K 35/57 Birds; Materials from birds, e.g. eggs, feathers, egg white, egg yolk or endothelium corneum gigeriae galli
  • A61K 35/60 Fish, e.g. seahorses; Fish eggs
  • A61K 35/612 Crustaceans, e.g. crabs, lobsters, shrimps, krill or crayfish; Barnacles
  • A61K 35/614 Cnidaria, e.g. sea anemones, corals, coral animals or jellyfish
  • A61K 35/616 Echinodermata, e.g. starfish, sea cucumbers or sea urchins
  • A61K 35/618 Molluscs, e.g. fresh-water molluscs, oysters, clams, squids, octopus, cuttlefish, snails or slugs
  • A61K 35/62 Leeches; Worms, e.g. cestodes, tapeworms, nematodes, roundworms, earth worms, ascarids, filarias, hookworms, trichinella or taenia
  • A61K 35/65 Amphibians, e.g. toads, frogs, salamanders or newts
  • A61K 35/655 Aquatic animals other than those covered by groups A61K35/57 - A61K35/65

Top Applicants

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

  1. PHILIPS ELECTRONICS NL 20,621
  2. NOVARTIS CH 15,792
  3. ROCHE CH 14,303
  4. COVIDIEN US 13,862
  5. HARVARD UNIVERSITY US 13,454
  6. UNIVERSITY OF CALIFORNIA US 12,798
  7. P&G (PROCTER & GAMBLE COMPANY) US 12,140
  8. L'OREAL FR 11,800
  9. OLYMPUS CORPORATION JP 9,894
  10. BOSTON SCIENTIFIC SCIMED US 9,513