With 305 patents published between 2002 and 2022, Bayer AG holds the most number of patents in the Oil & Gas sector in Colombia, of which 27.2% was contributed by its subsidiary Bayer CropScience AG.
The second largest number of patents were published by Pfizer Inc with 243 related patents. The third largest number of patents were published by F. Hoffmann-La Roche Ltd with 218 related patents. The fourth largest number of patents were published by AstraZeneca Plc with 159 related patents, of which 86.8% was contributed by its subsidiary AstraZeneca AB. The fifth largest number of patents were published by Sanofi with 148 related patents.
The top five patent holders, i.e., Bayer AG, Pfizer Inc, F. Hoffmann-La Roche Ltd, AstraZeneca Plc, and Sanofi, together held 1,073 patents during the period.
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