With 771 Rare Diseases related patents published between 2002 and 2022, F. Hoffmann-La Roche Ltd holds the most number of Rare Diseases patents in Hong Kong.
The second largest number of Rare Diseases related patents were published by Pfizer Inc with 502 patents. The third largest number of Rare Diseases related patents were published by Johnson & Johnson with 371 patents, of which 51.8% was contributed by its subsidiary Janssen Pharmaceutica NV. The fourth largest number of Rare Diseases related patents were published by AstraZeneca Plc with 350 patents, of which 76.9% was contributed by AstraZeneca AB. The fifth largest number of Rare Diseases related patents were published by Sanofi with 332 patents.
The top five patent holders, i.e., F. Hoffmann-La Roche Ltd, Pfizer Inc, Johnson & Johnson, AstraZeneca Plc, and Sanofi, together held 2,326 Rare Diseases patents during the period.
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