With 4,510 patents published between 2002 and 2022, Halliburton Co holds the most number of patents in the Oil & Gas sector in Australia, of which 88.8% was contributed by its subsidiary Halliburton Energy Services Inc.
The second largest number of patents were published by BASF SE with 2,354 related patents. The third largest number of patents were published by Johnson & Johnson with 2,090 related patents, of which 47.8% was contributed by its subsidiary Janssen Pharmaceutica NV. The fourth largest number of patents were published by Merck & Co Inc with 1,924 related patents, of which 49.9% was contributed by its subsidiary Merck Sharp & Dohme. The fifth largest number of patents were published by F. Hoffmann-La Roche Ltd with 1,848 related patents.
The top five patent holders, i.e., Halliburton Co, BASF SE, Johnson & Johnson, Merck & Co Inc, and F. Hoffmann-La Roche Ltd, together held 12,726 patents during the period.
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