With 24,112 Rare Diseases related patents published between 2002 and 2022, Pfizer Inc holds the most number of Rare Diseases patents in the global Chemicals sector.
The second largest number of Rare Diseases related patents were published by F. Hoffmann-La Roche Ltd with 20,630 patents. The third largest number of Rare Diseases related patents were published by Johnson & Johnson with 14,815 patents, of which 57.6% was contributed by its subsidiary Janssen Pharmaceutica NV. The fourth largest number of Rare Diseases related patents were published by Sanofi with 12,347 patents. The fifth largest number of Rare Diseases related patents were published by Merck & Co Inc with 12,031 patents, of which 28.6% was contributed by its subsidiary Merck Sharp & Dohme.
The top five patent holders, i.e., Pfizer Inc, F. Hoffmann-La Roche Ltd, Johnson & Johnson, Sanofi, and Merck & Co Inc, together held 83,935 Rare Diseases patents during the period.
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