With 544 patents published between 2002 and 2022, F. Hoffmann-La Roche Ltd holds the most number of patents in the Chemicals sector in Hong Kong.
The second largest number of patents were published by Bayer AG with 511 related patents. The third largest number of patents were published by Pfizer Inc with 397 related patents. The fourth largest number of patents were published by Johnson & Johnson with 391 related patents, of which 50.9% was contributed by its subsidiary Janssen Pharmaceutica NV. The fifth largest number of patents were published by AstraZeneca Plc with 256 related patents, of which 84.0% was contributed by its subsidiary AstraZeneca AB.
The top five patent holders, i.e., F. Hoffmann-La Roche Ltd, Bayer AG, Pfizer Inc, Johnson & Johnson, and AstraZeneca Plc, together held 2,099 patents during the period.
United States of America
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