This chart shows the pharmaceutical companies with the most patents in Hong Kong.
Patents must be filed in each country (or, in some cases regional patent office) where patent protection is desired.
For a global perspective, see the Drug companies with the greatest global patent coverage.
The companies with the greatest patent coverage in Hong Kong are:
- Boehringer Ingelheim
- Gilead Sciences Inc
- Purdue Pharma Lp
- Merck Sharp Dohme
- Sanofi Aventis Us