Solution to the previous challenge

1. The CPC subgroup A61F2/64 covers prostheses, in particular

● prostheses not implantable in the body
●● artificial legs or feet or parts thereof
●●● knee joints

2. The top three publication offices are the US, DE and WO.

3. The top three applicants in the area of artificial knee joints are:

  • Otto Bock HealthCare Products GmbH
  • Blatchford & Sons Ltd
  • Bock Healthcare GmbH

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