With 187 patents published between 2002 and 2022, Pfizer Inc holds the most number of patents in Algeria, of which 51.9% was contributed by its subsidiary Pfizer Products Inc..
The second largest number of patents were published by GSK plc with 68 patents. The third largest number of patents were published by Shell plc with 54 patents, of which 98.1% was contributed by its subsidiary Shell Internationale Research Maatschappij B.V.. The fourth largest number of patents were published by AstraZeneca Plc with 44 patents, of which 86.4% was contributed by its subsidiary AstraZeneca AB. The fifth largest number of patents were published by Sanofi with 43 patents, of which 46.5% was contributed by its subsidiary Sanofi-aventis (suisse) sa.
The top five patent holders, i.e., Pfizer Inc, GSK plc, Shell plc, AstraZeneca Plc, and Sanofi, together held 396 patents during the period.
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