Which pharmaceutical companies have the greatest global patent coverage?

This chart shows the pharmaceutical companies with patents in the most countries.

Patents must be filed in each country (or, in some cases regional patent office) where patent protection is desired.

The companies with the greatest global patent coverage are:

• Abbvie
• Pfizer
• Novartis
• Astrazeneca
• Gilead Sciences Inc
• Pf Prism Cv
• Janssen Prods
• Boehringer Ingelheim
• Merck Sharp Dohme
• Janssen