| Peyton C Watkins | | 553 | 14.3% |
| J C Patents | Irvine, CA (US) | 5,328 | 0.75% |
| Barlow Josephs and Holmes | Providence, RI (US) | 1,756 | 0.69% |
| Davidson and Kappel | New York, NY (US) | 3,697 | 0.59% |
| Oblon Spivak Mcclelland Maier and Neustadt | Alexandria, VA (US) | 92,642 | 0.48% |
| Carlson Gaskey and Olds | Birmingham, MI (US) | 12,138 | 0.37% |
| Fitzpatrick Cella Harper and Scinto | Washington, DC (US) | 52,977 | 0.34% |
| Price Heneveld Cooper Dewitt and Litton | Grand Rapids, MI (US) | 4,491 | 0.27% |
| Sughrue Mion | Washington, DC (US) | 102,482 | 0.06% |
| Cantor Colburn | Hartford, CT (US) | 61,459 | 0.04% |