With 469 patents published between 2002 and 2022, Pfizer Inc holds the most number of patents in Congo, of which 43.3% was contributed by its subsidiary Pfizer Products Inc..
The second largest number of patents were published by Shell plc with 132 patents, of which 97.0% was contributed by its subsidiary Shell Internationale Research Maatschappij B.V.. The third largest number of patents were published by GSK plc with 125 patents. The fourth largest number of patents were published by Sanofi with 106 patents, of which 32.1% was contributed by its subsidiary Aventis Pharma SA. The fifth largest number of patents were published by GlaxoSmithKline Plc with 40 patents.
The top five patent holders, i.e., Pfizer Inc, Shell plc, GSK plc, Sanofi, and GlaxoSmithKline Plc, together held 872 patents during the period.
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