Amazon has 1109 pending US patent applications out of which 229 are stuck in the prosecution cycle for more than 3 years, and 31 patent applications have been in the prosecution cycle for more than 5 years.
The exhibit below has statistics of pending applications of amazon that are in the prosecution cycle for more than 3 years.
Law Firms Prosecuting These Pending Applications
The table below provides the distribution of 229 pending applications to the law firms prosecuting these patents. You can check the top law firms that prosecuted most patents for Amazon here: Law firms that prosecuted most patents for Amazon at the USPTO
| Law Firm | Number of Patents |
| Kowert, Hood, Munyon, Rankin & Goetzel | 64 |
| Davis Wright Tremaine | 39 |
| Thomas Horstemeyer | 28 |
| Knobbe, Martens, Olson & Bear | 24 |
| Athorus | 11 |
| Hogan Lovells | 9 |
| Lee & Hayes | 8 |
| Kilpatrick Townsend & Stockton | 7 |
| Amazon | 6 |
| Pierce Atwood | 6 |
| Weaver Austin Villeneuve & Sampson | 5 |
| Bakerhostetler | 4 |
| Eversheds Sutherland | 4 |
| Klarquist Sparkman | 4 |
| NDWE LLP | 3 |
| Thorpe, North & Western | 2 |
| Ring | 1 |
| Lowenstein Sandler | 1 |
| Lathrop Gpm | 1 |