Woohoo, I love my scholarly subject area! Here’s the list, as computed by Brian Leiter:
1. Mark Lemley (Stanford University): 2110 citations, age 41.
2. Robert Merges (University of California, Berkeley): 1280 citations, age 48.
3. Pamela Samuelson (University of California, Berkeley): 970 citations, age 59.
4. Jessica Litman (University of Michigan): 870 citations, age 54.
5. Dan Burk (University of Minnesota): 840 citations, age 45.
5. Jane Ginsburg (Columbia University): 840 citations, age 52.
7. Rochelle Dreyfuss (New York University): 790 citations, age 60.
8. Paul Goldstein (Stanford University): 790 citations, age 64.
9. Julie Cohen (Georgetown University): 740 citations, age 43.
10. Yochai Benkler (Harvard University): 730 citations, age 43.
Runners-up for the top ten: Rebecca Eisenberg (University of Michigan), 690 citations; Neil Netanel (University of California, Los Angeles), 640 citations; Wendy Gordon (Boston University), 610 citations.
Scholars with high citation counts across different fields, including IP/Cyberlaw: Lawrence Lessig (Stanford University), 2500 citations; William Landes (University of Chicago), 1550 citations; Margaret Jane Radin (University of Michigan), 1210 citations.
–Ann Bartow (NB: All content from Leiter, I declined to indent to keep it easier to read).