Table 1
From the following article
Patentability issues surrounding antivirals
Deborah L Lu, Angela M Collison & Thomas J Kowalski
Nature Biotechnology 25, 1403 - 1404 (2007)
doi:10.1038/nbt1207-1403
Table 1. United States patents relating to antivirals
| Year(s) | Number of patents |
|---|---|
Source: USPTO publicly available records. | |
| 1970–1975 | 10 |
| 1976–1980 | 38 |
| 1981–1985 | 69 |
| 1986–1990 | 144 |
| 1991–1995 | 227 |
| 1996–2000 | 582 |
| 2001–present | 787 |